tag:blogger.com,1999:blog-88592332979330373292024-02-18T18:45:02.150-08:00ADVANCE MECHANICAL PROJECTS AND PRODUCTS .This blog is all about mechanical projects and mechanical products you will finds all types of mechanical projectsAnonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.comBlogger23125tag:blogger.com,1999:blog-8859233297933037329.post-5832982083267610022014-04-12T08:09:00.002-07:002014-04-12T08:09:40.500-07:00NEW MOBILEhttp://05072jh4ji2ufu1cok60lnfh2m.hop.clickbank.net/?tid=USFREEADSAnonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-90387503567980352772014-04-12T08:07:00.003-07:002014-04-12T08:07:34.456-07:00NEW JOBShttp://160bcpphw9wubmeg1954oetihd.hop.clickbank.net/?tid=USFREEADSAnonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-12869565367538903582013-07-12T04:47:00.002-07:002013-07-12T04:47:52.932-07:00Steam Power<div class="separator" style="clear: both; text-align: center;">
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A steam locomotive is a steam engine, boiler, and other equipment assembled to produce a machine capable of movement on railroad tracks. A steam engine, on the other hand, is any machine that converts steam pressure into motion - typically using a piston cylinder method. Those machines that convert steam pressure into direct rotating energy are steam turbines.Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-18913457712021556402013-07-12T04:44:00.002-07:002013-07-12T04:44:56.941-07:00Build a Mini Steam Engine Plans<div class="separator" style="clear: both; text-align: center;">
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Although it is not a scale reproduction of any particular engine, it has the same general appearance and eye-taking appeal of the picturesque old-timers so hard at work about the turn of the century.<br /><br />The model is equipped with the linkmotion reverse gear perfected by George Stevenson for his famous locomotive, The Rocket, in the 1830s. This valve action, which also provides a variable steam cutoff, has played a historic role in steam-power development.<br /><br />The engine is a double-acting noncondensing one that exhausts directly into the air with the familiar puff-pup of a donkey engine or steam shovel.<br /><br />With its 1 3/4" cylinder bore and 1" piston stroke, and with 75 or 80 Ib. of steam in its boiler, the little engine will turn over at 1,500 r.p.m. Actual power will depend much on the boiler used and on the workmanship in the engine itself.<br /><br />The design is for heavy duty, however, with main bearings and other working parts larger than scale, and the engine will stand up well under hard, continuous runs at full working load, developing enough power to drive a quite large model boat, a small dynamo, an air fan, or other light equipment of Fractional-horsepower rating. </div>
<br />Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-65100199823647973312013-07-12T04:41:00.001-07:002013-07-12T04:41:23.766-07:00Tower Steam Engine<div class="separator" style="clear: both; text-align: center;">
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<br />Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-83488296176514461272013-07-12T04:38:00.001-07:002013-07-12T04:38:57.683-07:00Steam engine PSF<div class="separator" style="clear: both; text-align: center;">
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<br />Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-74876703808767250142013-07-12T04:30:00.000-07:002013-07-12T04:30:56.627-07:00Steam Engine<div class="separator" style="clear: both; text-align: center;">
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The rare interior shot of the main floor of Engine Co. 5’s quarters, known as “Central Station”. The tin ceiling, electric lights, storage cabinets and steam radiator pipes demonstrate an austere but classic design. The building, built in 1867, was the quarters of Ladder Co. 1 and Chemical Co. 1.<br /><br />Engine 5, the self propelled engine, was placed in commission in 1903. The driver controlled steering and acceleration, while the stoker on the back step handled the brakes. <br /><br />Hose 5 was next to the pumper, and Ladder 1 was across the floor. <br /><br />The propeller remained in service with Engine 5 until 1924 when it was replaced by a motorized pumper. The cost of the unit was $9,000.00Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-67274795891102285142013-07-02T08:48:00.002-07:002013-07-06T02:40:55.925-07:00Honda reveals the Advanced VTEC engine<div class="separator" style="clear: both; text-align: center;">
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">2006 Honda Civic Si How Hondas Vtec E</span>ngine </b></span><br />
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<span style="font-size: x-large;"><b>Most Advanced Car engine</b></span><br />
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The Porsche 911 4 cam engine was notorious for it's complexityAnonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-48674464197096808822013-07-02T01:34:00.002-07:002013-07-03T02:50:56.462-07:00 MILITARY AIRCRAFT ENGINE<div class="separator" style="clear: both; text-align: center;">
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Snecma (Safran) designs, develops, produces, markets and supports jet engines for combat and training aircraft, and turboprop engines for transport aircraft. It works with both the governments that order these products and the armed forces that use them. Snecma engines power more than 20 different types of military aircraft in 40 countries, including the M53-P2 for the Mirage 2000 family, the M88-2 on the Rafale, and the TP400-D6 for the upcoming Airbus A400M<br />
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Airbus A400M Engine Production ram</span></b></span><br />
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"> </span></b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: small;">Having delivered the first production-standard example of the engine that will power the Airbus A400M military transport aircraft, Europrop International is now working to half the assembly and testing time of the new TP400-D6 powerplant. Europrop International President, Simon Henley said:<br /><br /> The engine consortium was well on track to bring the assembly and test programme down to 30 days, from 60 days.<br /><br />The first TP400-D6 powered A400M will enter service early next year with the French Air Force. Initially 12 engines will be delivered this year, increasing to 50 in 2013 and reaching capacity of 120 per year by 2015.<br /><br />The A400M will run with an 8 bladed “Scimitar propeller”. The pair of propellers on each wing turn in opposite directions, with the tips of the propellers advancing from above towards the midpoint between the two engines. This is in contrast to the overwhelming majority of multi-engine propeller driven aircraft where all propellers on the same wing turn in the same direction</span></span></span><br />
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<span style="font-size: x-large;"><b><span class="" id="result_box" lang="en"><span class="">A site with</span> <span class="hps">all the books of</span> <span class="hps">all</span> <span class="hps">sections</span> <span class="hps">of</span> <span class="hps">the</span> <span class="hps">avionics</span> <span class="hps">and</span> <span class="hps">radar</span></span></b></span><br />
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<span style="font-size: x-large;"><b><span class="" id="result_box" lang="en"><span class="hps"> </span></span></b><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Aircraft Engines</span></b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-_b9YjnnNxDYRbrdVCfUZHP7qWk_ideZMjZkLusTWrbdD3yzsaynZN4hrB3nGqd0XdttzNRfQ1s4HtooDvNHhiQItxVMSjyO6geFsQA78auenoKewCupC-2hvDMb-aUCsm15FplxtHg/s602/TurbopropEngine1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-_b9YjnnNxDYRbrdVCfUZHP7qWk_ideZMjZkLusTWrbdD3yzsaynZN4hrB3nGqd0XdttzNRfQ1s4HtooDvNHhiQItxVMSjyO6geFsQA78auenoKewCupC-2hvDMb-aUCsm15FplxtHg/s602/TurbopropEngine1.jpg" height="296" width="640" /></a></div>
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: x-large;"><br /></span></span></b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: x-large;"><span style="font-size: small;">In the turboprop engine,<br /><br /><br />1. Air enters the engine and passes into the compressor.<br /><br />2. The compressor increases the density of the air, which passes into the combustor.<br /><br />3. In the combustor, fuel mixes with the air, and the fuel-air mixture is ignited.<br /><br />4. The combustion gases expand rapidly to the rear, rotating both the turbines.<br /><br />5. The first turbine is connected to, and rotates, the compressor rotor. As a result, once combustion occurs, the engine continues to run until it is shut down or it runs out of fuel.<br /><br />6. The second turbine is connected to a shaft that passes through the center of the engine to a gearbox.<br /><br />7. The rotational energy of the turbine shaft passes through the gears within the gearbox to rotate the propeller, which powers the aircraft. The gears reduce the speed of rotation of the turbine shaft to a level that can be used by the propeller.</span></span></span></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSTNmY9B4950DNyBMkGlf4aHwTUT9ZdLYyTc1Ltjb8Tt3WfgKmcKZ38BnoItmPOVHryXo29mEU7RkrFgsS0B_msh1qLzSiF-8oZpVKjfViHuDvJnylZWB_cwd2H0yOeVfGaxu7tOrchQ/s575/TurbofanEngine1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSTNmY9B4950DNyBMkGlf4aHwTUT9ZdLYyTc1Ltjb8Tt3WfgKmcKZ38BnoItmPOVHryXo29mEU7RkrFgsS0B_msh1qLzSiF-8oZpVKjfViHuDvJnylZWB_cwd2H0yOeVfGaxu7tOrchQ/s575/TurbofanEngine1.jpg" height="326" width="640" /></a></div>
<span style="font-size: x-large;"><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: x-large;"><span style="font-size: small;"> In the turbofan engine,<br /><br />1. A fan is added at the front of the engine. The fan draws in air, a small portion of which passes into the compressor. The greater portion of the air, however, bypasses the engine by flowing through a large duct that surrounds the engine.<br /><br />2. The compressor increases the density of the air, which passes into the combustor.<br /><br />3. In the combustor, fuel mixes with the air, and the fuel-air mixture is ignited.<br /><br />4. The combustion gases pass rapidly to the rear, rotating both the turbines.<br /><br />5. The first turbine is connected to, and rotates, the compressor rotor. As a result, once combustion occurs, the engine continues to run until it is shut down or it runs out of fuel.<br /><br />6. The second turbine is connected to a shaft that passes through the center of the engine to the drive the fan to continue to draw in air.<br /><br />The thrust produced by a turbofan engine is the product of the mass of air/combustion gases displaced times the rate of acceleration of the air/combustion gases. The rapid expansion of the combustion gases to the rear also accelerates the displacement of the "bypass" air. To produce thrust.<br /><br />If the bypass ratio of a turbofan engine is 9 to 1, 90% of the thrust is attributable to the bypass air. However, the vital acceleration is provided by the expansion of the combustion gases.</span></span></span></span><br />
<span style="font-size: x-large;"><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: x-large;"><span style="font-size: small;"></span></span></span></span><br />
<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><br /></span><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"></span><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Toughest but most rewarding: China's </span></b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1eWfBxbcl4LWA0g2GHQIQdQS-A89WEGKi5i2gdS61kUHB2MWtiPcfEafk623Qaz8CPFwr_wq9_seXXnuXybPI_vKMLb5YttA4iEW8CjkdFKKm-7gjnON3GDWitZGum7t1f6Z7NcGA6A/s1000/jet-engine.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1eWfBxbcl4LWA0g2GHQIQdQS-A89WEGKi5i2gdS61kUHB2MWtiPcfEafk623Qaz8CPFwr_wq9_seXXnuXybPI_vKMLb5YttA4iEW8CjkdFKKm-7gjnON3GDWitZGum7t1f6Z7NcGA6A/s1000/jet-engine.jpg" height="424" width="640" /></a></div>
<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"> </span></b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: small;">The PLA Navy surprised many foreign observers yet again when an indigenously-produced J-15 fighter became the first known fixed wing aircraft to take off from and land on the aircraft carrier Liaoning since its refitting and commissioning. Yet a critical question remains unanswered: how rapidly and to what extent will the J-15 and other Chinese military aircraft be powered by indigenous engines?<br /><br />As in so many other areas, China’s overall development and production of military aircraft is advancing rapidly. Yet, as with a tent, it is the “long pole” that is essential to function and undergirds performance. In the case of aircraft, the most critical and difficult-to-produce component—the “long pole”—is the engine. Given the wide array of market-tested alternatives, nobody will buy a unit in which this central component is flawed. Hence, China’s currently significant efforts to make progress in this area. Still, the outcome and impact of these efforts remain uncertain.<br /><br />As part of a larger effort to consolidate and enhance the industry, China’s jet engine makers, led by Aviation Industry Corp. of China (AVIC), are expected to invest 100 billion yuan (US$16 billion) in jet engine development in the near term, and perhaps up to 150 billion yuan (nearly US$24 billion) by 2015. According to Reuters, “Some Chinese aviation industry specialists forecast that Beijing will eventually spend up to 300 billion yuan (US$49 billion) on jet engine development over the next two decades.” With this level of capital investment, which is many times larger than previously-reported levels, China is finally deploying the financial wherewithal needed to enable major breakthroughs. For context, the Pratt and Whitney F135 powering the F-35 Lightning II, which is the world’s most advanced and powerful tactical aircraft engine, is estimated to cost around US$8.4 billion to develop (at least in terms of officially-reported funding sources). On this basis, China has deployed funds sufficient to potentially support the parallel development of several advanced high-performance jet engines and large turbofans.</span></span></span><br />
<span style="font-size: x-large;"><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: small;">China’s defense aerospace industry has shown the ability to successfully manage parallel projects, as it is simultaneously developing at least four different types of tactical fighter and strike aircraft, including two low observable fighters, the J-20 and the J-31. No other nation is working simultaneously on so many distinct modern tactical jet programs. Yet this very progress also highlights an additional reality of China’s military aircraft sector—while airframe design and construction capacity have advanced significantly in recent years, China remains unable to mass-produce a jet engine capable and reliable enough to give its new fighters truly 5th-generation performance characteristics such as the ability to cruise at supersonic speeds without afterburners. Even if the J-20 and J-31 prototypes are flying with Chinese-made jet engines, this by no means demonstrates that such engines have a sufficient service life and can be produced on a scale suitable for equipping a large tactical aircraft fleet.<br /><br />China is just now learning how to series-produce the WS-10 turbofan that powers some of its J-10 and J-11/J-11B fighter fleet, and remains unable able to produce the large, high-bypass turbofans it would need to power future indigenous large transport or tanker aircraft. While Global Times reports that the J-11B fighters now being produced are all outfitted with Chinese-made WS-10 engines, the latest jet engine import numbers suggest China’s fighter fleet remains heavily reliant on Russian engines, with Chinese-made engines now only powering about 20% of the country’s most modern fighters and strike aircraft as well as the JF-17 fighters it is exporting to Pakistan.<br /><br />Reuben F. Johnson, a Russian and Chinese military aerospace analyst who writes for Jane’s, tells us that, based on interactions with foreign journalists and other experts at major international expos, of all the projects Chinese experts are working on, those concerning aeroengines appear to be some of the furthest behind their Western counterparts, with the least information available publicly. At the 2012 Zhuhai Airshow, for instance, the WS-10 Taihang was not displayed in any form, although the lower-performance Ukrainian-derived Minshan turbofan (for the L-15 trainer) was displayed for the first time. A wide range of other jet engines are under development.<br /><br />Technical challenges facing Chinese jet engine makers<br /><br />Jet engines used in tactical fighter and strike aircraft must be able to operate reliably under severe conditions. Jet engine compressor blades, for instance, can experience centrifugal forces as high as 20,000 times the force of gravity during flight. The challenge that a turbofan blade faces in surviving in this environment has been likened to stirring hot soup with a spoon made of ice.<br /><br />With their complex, esoteric technologies and demanding performance parameters, aeroengines represent the pinnacle of aerospace development. According to Johnson, developing an engine core is almost always the “long pole in the tent” in fighter development, and the most likely source of program delays. Aeroengine materials are often simply “not machinable” according to industrial classification guidelines because it is not affordable to do so on an industrial scale. Alloys, powder metallurgy, and single crystal blades must all be mastered. It is important to note that of the five Soviet major higher research institutes devoted to aviation, one was dedicated to materials, and Soviet metallurgical research was extremely active. In Russian engine programs, mastering thermal barrier coatings proved a key step.</span></span></span><br />
<h1 class="dto-title" itemprop="name">
Serbian Jet Fighter</h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisQ-K7HvtEX7oeURaEIpMIMLYjKjOpFhQTtv3QUDuhfSojAnc0KiNM8GRVZzE4MmsxPCjAdSEN8ALJmTU_4hnmbS9AkqG3F9tAa1T-IgdzlxzTFg7XZKxNhOkfHi9RMy0i-9-V7YMYqQ/s400/serbian-jet-fighter-thumb13164652.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisQ-K7HvtEX7oeURaEIpMIMLYjKjOpFhQTtv3QUDuhfSojAnc0KiNM8GRVZzE4MmsxPCjAdSEN8ALJmTU_4hnmbS9AkqG3F9tAa1T-IgdzlxzTFg7XZKxNhOkfHi9RMy0i-9-V7YMYqQ/s400/serbian-jet-fighter-thumb13164652.jpg" height="426" width="640" /></a></div>
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<h3 class="post-title entry-title" itemprop="name">
<span style="font-size: x-large;">India received 4 MiG-29K fighter aircraft from Russia </span></h3>
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The Indian Navy received 4 MiG-29K/KUB shipborne fighter aircraft from the Russian aircraft maker MiG to bring its total inventory of such aircraft to 20. These aircraft were delivered as part of a $1.5 billion contract for 29 MiG-29K/KUB, signed in 2010 between Russia and India.</div>
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A previous contract signed in 2004 for the delivery of 12 single-seat MiG-29K and 4 two-seat MiG-29KUB was completed in 2011. The contracts for MiG-29 aircraft also include:<br />
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pilot training<br />
aircraft maintenance<br />
delivery of flight simulators<br />
interactive ground and sea-based training systems.<br />
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The MiG-29K/KUB aircraft are intended for the aircraft carrier INS Vikramaditya, the former Admiral Gorshkov. However due to delays, the MiG-29 squadron, the Black Panthers, will be based at an airfield in Goa. The INS Vikramaditya is due for delivery in 2013 after problems encountered with its boilers have been rectified.<br />
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The MiG-29K is a naval variant of the original land-based MiG-29 with the addition of:<br />
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folding wings <br />
an arrester tail-hook<br />
strengthened airframe<br />
multirole capability<br />
compatibility with a wide variety of air-to-air and air-to-surface weaponry<br />
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Iran unveils newest fighter jet </span> </b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicMWCFeEesZl1eF285cQb6tGjPUvnwCze-evROFvkBQJEl5BIkBWk6bjdnW_B5DAtNkME3MHnPb0Dmh86zy4zQ28OfUaD3wflcmBZA_ZC2Q6l7uL_j_hWq_C9tEaZ7riS8ZRRz5cnvVQ/s620/li-iran-jet-620-ap-03927946.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicMWCFeEesZl1eF285cQb6tGjPUvnwCze-evROFvkBQJEl5BIkBWk6bjdnW_B5DAtNkME3MHnPb0Dmh86zy4zQ28OfUaD3wflcmBZA_ZC2Q6l7uL_j_hWq_C9tEaZ7riS8ZRRz5cnvVQ/s620/li-iran-jet-620-ap-03927946.jpg" height="360" width="640" /></a></div>
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<h3 class="post-title entry-title" itemprop="name">
<span style="font-weight: normal;"><span style="font-size: small;">
</span></span><span style="font-size: x-large;"><span style="font-weight: normal;"><span style="font-size: small;">Iran unveiled on Saturday its newest combat jet, a domestically manufactured fighter-bomber that military officials claim can evade radar.<br /><br />President Mahmoud Ahmadinejad said in a ceremony broadcast on state TV that building the Qaher-313, or Dominant-313, shows Iran's will to "conquer scientific peaks."<br /><br />The Qaher is one of several aircraft designs rolled out by the Iranian military since 2007. Tehran has repeatedly claimed to have developed advanced military technologies in recent years but its claims cannot be independently verified because the country does not release technical details of its arsenals.<br /><br />The Islamic republic launched a self-sufficiency military program in the 1980s to compensate for a Western weapons embargo that banned export of military technology and equipment to Iran. Since 1992, Iran has produced its own tanks, armoured personnel carriers, missiles, torpedoes, drones and fighter planes.<br /><br />"Qaher-313 is a fully indigenous aircraft designed and built by our aerospace experts. This is a radar-evading plane that can fly at low altitude, carry weapons, engage enemy aircrafts and land at short airstrips," Defence Minister Ahmad Vahidi said.<br /><br />Some reports however suggest Iran's program relies on equipment supplied by major international defence contractors — incorporating parts made abroad or reverse-engineered technologies into its domestic designs.<br /><br />Still photos of the Qaher released by the official IRNA news agency and pictures on state TV show a single-seat jet. They described it as a fighter-bomber that can combat both other aircraft and ground targets.<br />Described as similar to American-made F/A-18<br /><br />Iran's English-language state Press TV said Qaher was similar to the American-made F/A-18, an advanced fighter capable of dogfighting as well as penetrating enemy air defences to strike ground targets.<br /><br />Physically, Press TV said, the aircraft resembles the F-5E/F Tiger II, a much older American design that Iran has had in its arsenal since it was supplied to the U.S.-allied regime of the Shah before Iran's 1979 revolution.<br /><br />"Development depends on our will. If we don't have a will, no one can take us there," Ahmadinejad told the inauguration ceremony in Tehran. "Once we imported cars and assembled them here. Now, we are at a point where we can design, build and get planes in the air."<br /><br />Iran unveiled what it said was its first domestically manufactured fighter jet, called Azarakhsh or Lightning, in 2007. In the same year, it claimed that Azarakhsh had reached industrial production stage.<br /><br />Saeqeh, or Thunder, was a follow-up aircraft derived from Azarakhsh. Iran unveiled its first squadron of Saeqeh fighter bombers in an air show in September 2010</span></span>.</span></h3>
Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-39246478492070863642013-07-01T10:07:00.000-07:002013-07-01T10:39:00.586-07:00S-II-T Saturn rocket <span style="font-size: x-large;"><b>S-II-T Saturn rocket </b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC_cmaC8es6_j4EIq6Sm3k7pD6YstreEta4tvYXFJzdyreohxRgm7Prnaq-snuijM6QcLA-xNf_VgAIZbr699XzPs43s-efIYPYHDcpMiJBr146oBdsiEnTjUpjBIMNY9aEMIvI-kumQ/s1600/227799main_CLT-08-042-00465H.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC_cmaC8es6_j4EIq6Sm3k7pD6YstreEta4tvYXFJzdyreohxRgm7Prnaq-snuijM6QcLA-xNf_VgAIZbr699XzPs43s-efIYPYHDcpMiJBr146oBdsiEnTjUpjBIMNY9aEMIvI-kumQ/s1600/227799main_CLT-08-042-00465H.jpg" height="640" width="512" /></a></div>
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A massive S-II-T Saturn rocket stage is installed on Nov. 18, 1965 for testing on what now is the A-2 Test Stand at NASA’s John C. Stennis Space Center. The S-II-T – known as “T-Bird” – was the first Saturn booster stage to be tested at Stennis, which then was known as the Mississippi Test Facility. Workers at the facility later would test the Saturn V first-stage booster for the Apollo Program that carried humans to the moon and back in July 1969.<br />
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<span style="font-size: x-large;"><b>Rocket long Engine </b></span><br />
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<span style="font-size: x-large;"><b><span style="font-size: x-large;">Rocket Engine Nozzle</span></b></span><br />
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<span style="font-size: x-large;"><b><span style="font-size: x-large;"> 3<span style="font-size: x-large;">D <span style="font-size: x-large;">M<span style="font-size: x-large;">odel Rocket <span style="font-size: x-large;">Engine</span></span></span></span></span></b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3DgYH5Qb45jt9092RuSd_v1a6LLutV8eOSEG66Rwzg-brSanRtsWhGTDW36_esDRgSih2j13_yapnLuuERlcheDJ5SxoLaL8kUGR68ONjHBRzlDvLhlEzuABBEFWrbpj0-e2OVWGjoQ/s600/RL60Thmb6.jpg2af10349-c889-49f9-b27d-70a3a82acce8Larger.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3DgYH5Qb45jt9092RuSd_v1a6LLutV8eOSEG66Rwzg-brSanRtsWhGTDW36_esDRgSih2j13_yapnLuuERlcheDJ5SxoLaL8kUGR68ONjHBRzlDvLhlEzuABBEFWrbpj0-e2OVWGjoQ/s600/RL60Thmb6.jpg2af10349-c889-49f9-b27d-70a3a82acce8Larger.jpg" height="640" width="640" /></a></div>
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<span style="font-size: x-large;"><b><span style="font-size: x-large;"><span style="font-size: x-large;"><span style="font-size: x-large;"><span style="font-size: x-large;"><span style="font-size: x-large;"> </span></span></span></span> </span></b></span><br />
<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">US Martian nuke-truck launches</span></b></span><br />
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The Centaur's engine, which produces 22,300 lb of thrust, fired up about 10 seconds later, then burned for seven minutes, shutting off exactly on time to place the MSL – and itself – in a "parking" orbit where it went into a 19-minute coast phase before a second 8-minute burn sent it into what NASA calls a "planetary trajectory".<br /><br />That trajectory places the MSL on its way to Mars after separating from the Centaur booster 44 minutes into the flight – a moment that prompted applause from the space boffins assembled in the Kennedy Space Center.<br /><br />All was not smooth, however. During the coast phase there were repeated brief – and disconcerting – data losses from the launch vehicle. The data losses continued to crop up during the coast phase, though NASA provided no details on their cause until 34 minutes into the flight, at which point the NASA commentator said that there appeared to be "a problem within the vehicle."<br /><br />Each time the telemetry was reestablished, however, NASA reported that the data showed all systems to be operating as expected.<br /><br />The 8-minute planetary trajectory burn began during a period of telemetry loss, though telemetry kicked back in soon afterward, showing that the burn levels were as expected. Thirty-six minutes into the flight, however, the NASA announcer said that "We are now seeing nice, clean telemetry data."<br /><br />But with the spent Centaur booster now on its way to orbit the sun, and a healthy MSL spacecraft on its way to Mars, launch-vehicle telemetry is not a worry – NASA confirmed good contact with the MSL spacecraft, now on its own, 53 minutes into the flight. </div>
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When the MSL spacecraft's skycrane deposits the Curiosity rover [13] at Mars' Gale crater [14] next August, its primary mission will be to search out not life itself, but instead conditions conducive to life – at least organic life as we know it.<br /><br />The Reg has written extensively about Curiosity and its goals and challenges. You can read a thorough mission overview here [15], learn more about the rover's plutonium power pack – and why is may be the last of its kind [16] – here [17], about its organic-compound-seeking Sample Analysis at Mars (SAM) experiment here [18], and meet the 12-year-old who named it here [19].<br /><br />There's much more Reg rover goodness and other Martian intelligence to be found by simply typing "NASA Mars" into the "Search site" field in the upper right of this page – possibly enough to keep you busy until August 2012, when we most certainly hope that we'll report that Curiosity has successfully touched down at the Gale crater, and that its scientific studies have begun. </div>
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Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-10387771463009665892013-07-01T09:49:00.002-07:002013-07-01T12:47:28.580-07:00Racing Rocket Engines<span style="font-size: x-large;"><b>Racing Rocket Engines</b></span><br />
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Engine parts:<br />
1. Composite Compressed Air bottle, 1.1 liter, 300 bar<br />
2. Pressure control regulator.<br />
3. SS Peroxide Tank 9 liters, 22 bar, with safety relief valve and pressure gauge.<br />
4. ¾” flow control ball valve, SS<br />
5. Catalyst package chamber. Di = 81 mm.<br />
Catalyst package at testing was 37 discs of solid silver wire screens plus 95 discs of silver plated SS screens.<br />
6. Rocket Nozzle. Throat D = 38 mm. Exit D = 52 mm<br />
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The engine has the following calculated performance at maximum peroxide pressure, 22 bar, in the peroxide tank:<br />
<br />
Thrust 142 kp =1390 Newton<br />
Peroxide consumption 0.95 liter/second. H2O2% =85<br />
Running time with full tank, 9 liters 9.5 seconds<br />
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<span style="font-size: large;"><b><span class="" id="result_box" lang="en"><span class="hps">Rocket propulsion</span> <span class="hps">-</span> <span class="hps">Aerospace</span> <span class="hps">Forum</span> <span class="hps">-</span> <span class="hps">Information Technology</span></span></b></span><br />
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<span class="" id="result_box" lang="en"><span class="hps">Rocket propulsion</span> <span class="hps">is a sophisticated</span> <span class="hps">structure, its</span> <span class="hps">principle is</span> <span class="hps">mechanics, thermodynamics</span> <span class="hps">(Thermodynamics),</span> <span class="hps">as well as</span> <span class="hps">the</span> <span class="hps">use of</span> <span class="hps">other related</span> <span class="hps">sciences</span>. <span class="hps">Rocket</span> <span class="hps">thrust</span> <span class="hps">from</span> <span class="hps">Newton's third law</span> <span class="hps">(Newton's 3rd Law, action and reaction).</span> <span class="hps">Fuel</span> <span class="hps">through</span> <span class="hps">the combustion chamber</span> <span class="hps">(combustion chamber)</span> <span class="hps">after combustion</span><span class="">, will produce</span> <span class="hps">high temperature and pressure</span> <span class="hps">of the gas</span>, <span class="hps">and then</span> <span class="hps">through</span> <span class="hps">a</span> <span class="hps">nozzle</span> <span class="hps">(nozzle)</span> <span class="hps">and the</span> <span class="hps">acceleration</span> <span class="hps">and</span> <span class="hps">exhaust</span> <span class="hps">to the outside world</span>. <span class="hps">These gases</span> <span class="hps">push</span> <span class="hps">the rocket</span> <span class="hps">is</span> <span class="hps">the driving force.</span> <span class="hps">Rocket</span> <span class="hps">classified</span> <span class="hps">in the following</span>:<br /><br /> <span class="hps">Gas</span> <span class="hps">acceleration method</span> <span class="hps">(Gas Acceleration Mechanism)</span><br /> <span class="hps">Sources of energy</span> <span class="hps">(Energy Source)</span><br /> <span class="hps">Thrust</span> <span class="hps">(Thrust Level)</span><br /><br /><span class="hps">Gas</span> <span class="hps">acceleration method</span> <span class="hps">(Gas Acceleration Mechanism)</span><br /><br /> <span class="hps">Heat</span> <span class="hps">(Thermal) eg:</span> <span class="hps">Average</span> <span class="hps">fuel</span> <span class="hps">rocket</span> <span class="hps">(propellant rockets)</span><br /> <span class="hps">ESD</span> <span class="hps">(Electrostatic) eg.</span> <span class="hps">Ion engine</span> <span class="hps">(ion thrusters)</span><br /> <span class="hps">Electromagnet</span> <span class="hps">(Electromagnetic) eg. MPD</span> <span class="hps">engine</span> <span class="hps">(Magneto Plasma Dynamic Thruster</span></span><br />
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<span class="" id="result_box" lang="en"><span class="hps">Sources of energy</span> <span class="hps">(Energy Source)</span><br /><br /> <span class="hps">Chemistry</span> <span class="hps">(Chemical)</span><br /> <span class="hps">Solar</span> <span class="hps">(Solar)</span><br /> <span class="hps">Nuclear</span> <span class="hps">(Nuclear)</span><br /><br /><br /><br /><br /><br /><br /><span class="hps">Thrust</span> <span class="hps">(Thrust Level)</span><br /><br /> <span class="hps">High</span> <span class="hps">(> 1 G) eg.</span> <span class="hps">Rocket</span><br /> <span class="hps">Low</span> <span class="hps">(<1 G) eg. Thrusters</span><br /><br /><br /><br /><span class="hps">Rocket</span> <span class="hps">Features</span><br /><br /><span class="hps">Rocket</span> <span class="hps">with the average</span> <span class="hps">aircraft engines</span> <span class="hps">the main</span> <span class="hps">difference is</span>: Aircraft <span class="hps">engines can only</span> <span class="hps">fly</span> <span class="hps">in the atmosphere</span>, <span class="hps">but the Rockets</span> <span class="hps">can</span> <span class="hps">work</span> <span class="hps">in outer space</span>, <span class="hps">because it does not</span> <span class="hps">promote</span> <span class="hps">the use of air</span> <span class="hps">will be able to</span> <span class="hps">burn</span>. <span class="hps">So it</span> <span class="hps">will not be</span> <span class="hps">highly</span> <span class="hps">affected</span> <span class="hps">thrust</span> <span class="hps">(thrust independent of altitudes).</span> <span class="hps">In addition, its</span> <span class="hps">thrust</span> <span class="hps">-</span> <span class="hps">weight ratio of</span> <span class="hps">(thrust - weight ratio)</span> <span class="hps">is high</span>.<br /><br /><span class="hps">Usefulness of</span> <span class="hps">the rocket</span><br /><br /> <span class="hps atn">Non-</span>space <span class="hps">applications</span><br /> <span class="hps">Missile</span> <span class="hps">propulsion systems</span> <span class="hps">(propulsion system for missiles)</span><br /> <span class="hps">Supersonic aircraft</span> <span class="hps">propulsion system</span> <span class="hps">(primary propulsion system for supersonic research plane eg. X - series)</span><br /> <span class="hps">Takeoff</span> <span class="hps">auxiliary</span> <span class="hps">propulsion system</span> <span class="hps">(Assist take-off rockets forairplanes)</span><br /> <span class="hps">Escape Device</span> <span class="hps">(ejection of escape capsule)</span><br /> <span class="hps">Rocket</span><br /> <span class="hps">Soyuz</span><br /> <span class="hps">Titan IV</span><br /> <span class="hps">Space Shuttle</span><br /> <span class="hps">Space</span> <span class="hps">Usage</span><br /> <span class="hps">Transfer</span> <span class="hps">orbit</span> <span class="hps">(orbital change, plane change, trajectory transfer)</span><br /> <span class="hps">Track</span> <span class="hps">maintenance</span> <span class="hps">(orbital control, orbital correction)</span></span><br />
<span class="" id="result_box" lang="en"><span class="hps"><span style="font-size: x-large;"><b>Chemical Rocket Engines</b></span> </span></span> <br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiE2hZmZDy8lxv8Dw_Nm_D_MfjdtvQfZCeDo3ioZ-SAhnk_wbsmiXmOh44S63VWCizWehXY0sMq30Q9dTdBA0oEAsnEguuLEIv6skSXVj_mh4Bca5A1suzP-OmaWLosKNGgCnYCdlfrw/s400/rocketpropelledweapongi4.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiE2hZmZDy8lxv8Dw_Nm_D_MfjdtvQfZCeDo3ioZ-SAhnk_wbsmiXmOh44S63VWCizWehXY0sMq30Q9dTdBA0oEAsnEguuLEIv6skSXVj_mh4Bca5A1suzP-OmaWLosKNGgCnYCdlfrw/s400/rocketpropelledweapongi4.jpg" width="640" /></a></div>
<span class="" id="result_box" lang="en"><span class="hps">Chemical</span> <span class="hps">rocket engine</span> <span class="hps">(Chemical Rocket Engines)</span> <span class="hps">can be divided into</span>:<br /><br /> <span class="hps">Solid</span> <span class="hps">rocket motors</span> <span class="hps">(Solid Propellant Rocket Engines)</span><br /> <span class="hps">Liquid</span> <span class="hps">rocket engine</span> <span class="hps">(Liquid Propellant Rocket Engines)</span><br /> <span class="hps">Hybrid</span> <span class="hps">rocket engine</span> <span class="hps">(Hybrid Rocket Engines)</span><br /><br /><span class="hps">Solid</span> <span class="hps">and liquid</span> <span class="hps">rocket</span> <span class="hps">rocket</span> <span class="hps">rocket</span> <span class="hps">is now</span> <span class="hps">more commonly used</span>. <span class="hps">In addition, there</span> <span class="hps">is a</span> <span class="hps">hybrid rocket</span> <span class="hps">---</span> <span class="hps">solid</span> <span class="hps">fuel</span> <span class="hps">(solid propellants)</span> <span class="hps">and a liquid</span> <span class="hps">oxidant</span> <span class="hps">(liquid oxidizer).</span> <span class="hps">Also worth</span> <span class="hps">mentioning is that</span>, now <span class="hps">contains the</span> <span class="hps">most</span> <span class="hps">liquid rocket</span> <span class="hps">launch vehicle</span> <span class="hps">with the</span> <span class="hps">solid</span> <span class="hps">rocket</span> <span class="hps">that is, a</span> <span class="hps">rocket will</span> <span class="hps">first</span> <span class="hps">(first stage)</span> <span class="hps">is solid</span> <span class="hps">and the</span> <span class="hps">second</span> <span class="hps">is</span> <span class="hps">liquid</span>.</span><br />
<span class="" id="result_box" lang="en"><span style="font-size: large;"><b><span style="font-size: x-large;">Solid Propellant Rocket Engines </span></b></span></span><br />
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<span style="font-family: inherit;"><span class="" id="result_box" lang="en"><span style="font-size: large;"><span style="font-size: small;"><span class="" id="result_box" lang="en"><span class="hps">Solid</span> <span class="hps">rocket</span> <span class="hps">fuel</span> <span class="hps">(fuel)</span> <span class="hps">and an oxidant</span> <span class="hps">(oxidizer)</span> <span class="hps">is a</span> <span class="hps">solid</span> <span class="hps">state storage</span> <span class="hps">inside</span> <span class="hps">the</span> <span class="hps">rocket</span> <span class="hps">projectile</span>. <span class="hps">Solid</span> <span class="hps">fuel</span> <span class="hps">rocket engine</span> <span class="hps">is</span> <span class="hps">mounted directly on</span> <span class="hps">the rear of</span> <span class="hps">the rocket</span>, <span class="hps">when the use of</span> <span class="hps">lighter</span> <span class="hps">use</span> <span class="hps">(Ignitor)</span> <span class="hps">triggered</span> <span class="hps">fuel combustion</span>, <span class="hps">produce thrust</span> <span class="hps">push</span> <span class="hps">rockets.</span><br /><br /><span class="hps">Main components</span>:</span></span></span></span></span><br />
<h3>
<span style="font-weight: normal;">
<span style="font-family: inherit;"><span class="" id="result_box" lang="en"><span style="font-size: large;"><span style="font-size: small;"><span class="" id="result_box" lang="en"> <span class="hps">Igniter</span> <span class="hps">(Ignitor)</span></span></span></span></span></span></span></h3>
<h3>
<span style="font-weight: normal;"></span></h3>
<span class="" id="result_box" lang="en"><span style="font-size: large;"><span style="font-family: inherit;"><span style="font-size: small;"><span class="" id="result_box" lang="en"> <span class="hps">Housing</span> <span class="hps">(Casing)</span><br /> <span class="hps">Nuclear</span> <span class="hps">fuel</span> <span class="hps">(Grain)</span><br /> <span class="hps">Nozzle</span> <span class="hps">(Nozzle)</span></span></span></span><b><span style="font-family: inherit;"><span style="font-size: small;"> </span></span></b></span></span><br />
<span class="" id="result_box" lang="en"><span style="font-size: large;"><span style="font-family: inherit;"><span style="font-size: small;"><span style="font-size: x-large;"><b>Space Shuttle Solid Rocket Booster</b></span> </span></span></span></span><br />
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<span class="" id="result_box" lang="en"><span style="font-size: large;"><span style="font-family: inherit; font-size: x-large;"><b>Liquid Propellant Rocket Engines</b> </span></span></span><br />
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<span class="" id="result_box" lang="en"><span class="hps">Liquid</span> <span class="hps">rockets and</span> <span class="hps">solid</span> <span class="hps">rockets</span> <span class="hps">difference lies</span> <span class="hps">fuels.</span> <span class="hps">As the name implies</span>, <span class="hps">of course, is</span> <span class="hps">liquid rocket</span> <span class="hps">fuel</span> <span class="hps">in</span> <span class="hps">liquid form</span>. <span class="hps">The benefits of</span> <span class="hps">fluid</span> <span class="hps">which can be</span> <span class="hps">compressed</span> <span class="hps">(compressible),</span> <span class="hps">so the</span> <span class="hps">volume</span> <span class="hps">will be</span> <span class="hps">lower</span> <span class="hps">than the</span> <span class="hps">solid</span>, the same <span class="hps">density</span>, the <span class="hps">weight of</span> <span class="hps">the</span> <span class="hps">low.</span> <span class="hps">This is the</span> <span class="hps">liquid</span> <span class="hps">rocket</span> <span class="hps">reasons for the higher</span> <span class="hps">specific impulse</span>.<br /><br /><span class="hps">Fuel properties</span><br /><br /><span class="hps">Liquid</span> <span class="hps">rocket fuel</span> <span class="hps">can be divided into</span> <span class="hps">storage and</span> <span class="hps">require special</span> <span class="hps">devices</span> <span class="hps">to</span> <span class="hps">save</span> <span class="hps">some time</span> <span class="hps">categories.</span> <span class="hps">Need a special device</span> <span class="hps">for</span> <span class="hps">the fuel</span> <span class="hps">pressurizing and</span> <span class="hps">cooling equipment</span> <span class="hps">necessary</span> <span class="hps">in</span> <span class="hps">maintaining</span> <span class="hps">the liquid</span> <span class="hps">state</span> <span class="hps">prior to combustion</span>, <span class="hps">such as</span> <span class="hps">LH2</span> <span class="hps">and</span> <span class="hps">LOX.</span> <span class="hps">This type of</span> <span class="hps">liquid</span> <span class="hps">rocket fuel</span> <span class="hps">before launch</span> <span class="hps">will be</span> <span class="hps">entered into the</span> <span class="hps">rocket</span> <span class="hps">fuel tank</span> <span class="hps">(Fuel Tank).</span><br /><br /><span class="hps">Another type of</span> <span class="hps">fuel</span> <span class="hps">is</span> <span class="hps">in the general environment</span> <span class="hps">that</span> <span class="hps">exists in a liquid</span>, <span class="hps">does not require additional</span> <span class="hps">equipment</span> <span class="hps">to maintain</span>. <span class="hps">Early</span> <span class="hps">this type of</span> <span class="hps">fuel is</span> <span class="hps">highly</span> <span class="hps">corrosive</span> <span class="hps">and can not</span> <span class="hps">perennial</span> <span class="hps">storage</span>, <span class="hps">processing, or</span> <span class="hps">is</span> <span class="hps">in</span> <span class="hps">the process of</span> <span class="hps">transportation</span><span class="">, safety measures</span> <span class="hps">need to</span> <span class="hps">prepare</span>. <span class="hps">Late</span> <span class="hps">liquid</span> <span class="hps">rocket</span> <span class="hps">fuels to</span> <span class="hps">be</span> <span class="hps">stored for long</span> <span class="hps">period of time</span> <span class="hps">the fuel</span> <span class="hps">tank</span>, <span class="hps">corrosion resistance</span> <span class="hps">is low.</span> <span class="hps">However, this</span> <span class="hps">is still</span> <span class="hps">a fuel</span> <span class="hps">storage</span> <span class="hps">life</span> <span class="hps">is certain,</span> <span class="hps">but</span> <span class="hps">significantly extended</span>.<br /><br /><span class="hps">Benefits of</span> <span class="hps">the liquid</span> <span class="hps">rocket engine</span></span></div>
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<span class="" id="result_box" lang="en"><span style="font-size: large;"><span style="font-family: inherit; font-size: x-large;"> </span></span></span><span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: x-large;">R</span>ocket <span style="font-size: x-large;">E</span>ngine f1 3d model</span></b></span><br />
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<span style="font-size: x-large;"><span style="font-size: small;"><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">High detail rocket engine loosely based on the Rocketdyne F1 of the Apollo era. I say loosely based as it is not an exact replica. Big model. Not much is optimized or attached so you can mess with it. Everything is attached to a dummy so sizing the dummy will scale the whole model. I included a rocket exhaust with shock diamonds for you to play with also. Download as a separate item. Use video post with blur fir<span style="font-size: small;"><b>e.</b></span></span></span></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmo_ot4K-cZIG2-COzKNubw0-WPKStcvcut-VIEoo1mN94rq1lt1KkIHtiQu1-8q-UDn4e8CI4BcG1A8DMLfte8e12Mxv9ZjNdJ_5x1EpkSpOGMyX71mQohwO1FEsdZz0C0gMHjULuQA/s600/IronDuke.jpg6a92fe04-7d68-4cb1-8123-174b5aeb11c5Larger.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="578" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjmo_ot4K-cZIG2-COzKNubw0-WPKStcvcut-VIEoo1mN94rq1lt1KkIHtiQu1-8q-UDn4e8CI4BcG1A8DMLfte8e12Mxv9ZjNdJ_5x1EpkSpOGMyX71mQohwO1FEsdZz0C0gMHjULuQA/s600/IronDuke.jpg6a92fe04-7d68-4cb1-8123-174b5aeb11c5Larger.jpg" width="640" /></a></div>
<span style="font-size: x-large;"><span style="font-size: small;"><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: small;"><b> </b></span></span></span><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><br /></span></b></span>Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-83905496196965411662013-07-01T09:36:00.003-07:002013-07-01T09:36:51.300-07:00Nuclear Rocket Engine<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjk-mPGYwYgbyBa79U93JFoXXZ1eml19bFczqHuc_axxKTRQKgAHuY039FLxW2jcAND78Sf5kNr3JmLuFMFKd9da-o88UmWkCGr6ZCRZeTLPtFKs-1yhhDWniB5W_mViOE1X-cnkO3LZg/s327/111.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjk-mPGYwYgbyBa79U93JFoXXZ1eml19bFczqHuc_axxKTRQKgAHuY039FLxW2jcAND78Sf5kNr3JmLuFMFKd9da-o88UmWkCGr6ZCRZeTLPtFKs-1yhhDWniB5W_mViOE1X-cnkO3LZg/s327/111.jpg" height="300" width="640" /></a></div>
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An explanatory drawing of the NERVA (Nuclear Engine for Rocket Vehicle Application)thermodynamic nuclear rocket engine. The main objective of project Rover/NERVA was to develop a flight rated engine with 75,000 pounds of thrust. The Rover portion of the program began in 1955 when the U.S. Atomic Energy Commission's Los Alamos Scientific Laboratory and the Air Force initially wanted the engine for missile applications. However, in 1958, the newly created NASA inherited the Air Force responsibilities, with an engine slated for use in advanced, long-term space missions. The NERVA portion did not originate until 1960 and the industrial team of Aerojet General Corporation and Westinghouse Electric had the responsibility to develop it. In 1960, NASA and the AEC created the Space Nuclear Propulsion Office to manage project Rover/NERVA. In the following decade, it oversaw a series of reactor tests: KIWI-A, KIWI-B, Phoebus, Pewee, and the Nuclear Furnace, all conducted by Los Alamos to prove concepts and test advanced ideas. Aerojet and Westinghouse tested their own series: NRX-A2 (NERVA Reactor Experiment), A3, EST (Engine System Test), A5, A6, and XE-Prime (Experimental Engine). All were tested at the Nuclear Rocket Development Station at the AEC's Nevada Test Site, in Jackass Flats, Nevada, about 100 miles west of Las Vegas. In the late 1960's and early 1970's, the Nixon Administration cut NASA and NERVA funding dramatically. The cutbacks were made in response to a lack of public interest in human spaceflight, the end of the space race after the Apollo Moon landing, and the growing use of low-cost unmanned, robotic space probes. Eventually NERVA lost its funding, and the project ended in 1973.<br />
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<span style="font-size: large;"><b>National Museum of Flight</b></span><br />
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<span style="font-size: large;"><b> De Haviland Gipsy</b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoe7H5PjOVoY9Dd4vCD1gXq_-oIzzNBUgrxiAqTULzZ0wAP21ScR873jXvURAgFN9e6LLLF9FXXrghQj8Fva_YdySeqbaQ7Wu62aKIgF4X8_xbnQkWr449a5C-rdrTUzst0kRDQ2uqeQ/s1600/DH+Gipsy+two.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="De Haviland Gipsy" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjoe7H5PjOVoY9Dd4vCD1gXq_-oIzzNBUgrxiAqTULzZ0wAP21ScR873jXvURAgFN9e6LLLF9FXXrghQj8Fva_YdySeqbaQ7Wu62aKIgF4X8_xbnQkWr449a5C-rdrTUzst0kRDQ2uqeQ/s1600/DH+Gipsy+two.JPG" height="480" title="De Haviland Gipsy" width="640" /></a></div>
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<span style="font-size: large;"><b><span style="font-size: x-large;">Bristol Siddeley Stentor Rocket Engine</span></b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPjFck4G5M66arclhHzWWsaWukrZjQZE-jDWMJlU8NUn8uHvk7qVRe__-azXL9S2uARwveb256UxBOEtsNuzWbQcemcEbIC6Y-ps6SHZoqnLTl0BH2W5afEUzxxtuTZjOXtUuvT91P0A/s1600/Stentor+rocket+engine.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Bristol siddeley stentor rocket engine" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPjFck4G5M66arclhHzWWsaWukrZjQZE-jDWMJlU8NUn8uHvk7qVRe__-azXL9S2uARwveb256UxBOEtsNuzWbQcemcEbIC6Y-ps6SHZoqnLTl0BH2W5afEUzxxtuTZjOXtUuvT91P0A/s1600/Stentor+rocket+engine.JPG" height="480" title="Bristol siddeley stentor rocket engine" width="640" /></a></div>
<span style="font-size: large;"><b><span style="font-size: x-large;"> </span></b></span><span style="font-size: large;"><b><span style="font-size: x-large;">Blue Steel Guided Missile<br />(from Vulcan Bomber)</span></b></span><br />
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<span style="font-size: large;"><b><span style="font-size: x-large;">Mercedes D IIIa</span></b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirbgi7680bC5Xu7kw0_QZ_uH2EbbX7R4bUDaT9Hsh97w71XkgEjpJFDSdmLc1bRTf6C95MTk3lW-CbSDjm4o0q4rlsmADs3zO_6HwdRnvNVQQinOsYu87wW_5eFI2gl4vBX6TrfgbXyw/s1600/Mercedes+Flugmotor.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirbgi7680bC5Xu7kw0_QZ_uH2EbbX7R4bUDaT9Hsh97w71XkgEjpJFDSdmLc1bRTf6C95MTk3lW-CbSDjm4o0q4rlsmADs3zO_6HwdRnvNVQQinOsYu87wW_5eFI2gl4vBX6TrfgbXyw/s1600/Mercedes+Flugmotor.JPG" height="480" width="640" /></a></div>
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<span style="font-size: large;"><b><span style="font-size: x-large;">Rolls-Royce Derwent V</span></b></span><br />
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<span style="font-size: large;"><b><span style="font-size: x-large;">Rolls-Royce Conway</span></b></span><br />
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<span style="font-size: large;"><b><span style="font-size: x-large;">Rolls-Royce Dart</span></b></span><br />
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<span style="font-size: large;"><b><span style="font-size: x-large;">Gnome 9N </span></b></span><br />
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<span style="font-size: large;"><b><span style="font-size: x-large;"> </span> </b></span>Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-59592221727310441792013-07-01T09:00:00.001-07:002013-07-01T12:25:24.124-07:00Bike engine<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjF9oSp7QRnw6SHNFHbRwXw0N5Q18Wler1EUMtMSDJ6c9MsRETbi8LCi3Ct_LfjJQA_l9CMn98Qg-g082P3dA67z1MBH9deV1f1iMjZTYVjlLdJ_FBQJ1p73zCCAwlwz4gbgGqYL3CCPA/s541/behemothbike21.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Bike engine" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjF9oSp7QRnw6SHNFHbRwXw0N5Q18Wler1EUMtMSDJ6c9MsRETbi8LCi3Ct_LfjJQA_l9CMn98Qg-g082P3dA67z1MBH9deV1f1iMjZTYVjlLdJ_FBQJ1p73zCCAwlwz4gbgGqYL3CCPA/s541/behemothbike21.jpg" height="424" title="Bike engine" width="640" /></a></div>
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“We’re presenting you with Behemoth Bike, a machine that bridges the world of motorsports and music, inspired by and co-designed with a metal icon, Adam “Nergal” Darski,” says Krzysztof Bienkiewicz, spokesman for Game Over Cycles.<br />
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The steel construction of the custom bike features a Harley Davidson RevTech 110 engine, Harley transmission and Legend air suspension. The 18″ rear tire is 360mm (14.2 inch) wide.<br />
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Behemoth Bike will be a powerful dark machine with exceptional technical parameters and unprecedented ornamentation. Completion of construction is scheduled for May.<br />
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<span style="font-size: large;"><b> Two-cylinder motorcycle engine </b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTC3BXRK_VtY3DckcrZeOV2y-sQMxHI0OxEPm3Xzo8SlpSXgH63PI8oRk7A_iyJQ_2BLSIiaI0zbYCxllZO5d_Ipy5ruFcCLV6CeI8XukvZ3PQuphzHyVjYnctrAnc9gaJhIezAgvo5A/s251/33333.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Two cylinder motorcycle engine" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTC3BXRK_VtY3DckcrZeOV2y-sQMxHI0OxEPm3Xzo8SlpSXgH63PI8oRk7A_iyJQ_2BLSIiaI0zbYCxllZO5d_Ipy5ruFcCLV6CeI8XukvZ3PQuphzHyVjYnctrAnc9gaJhIezAgvo5A/s251/33333.jpg" height="512" title="Two cylinder motorcycle engine" width="640" /></a></div>
This entire beauty measures 320mm high, 260mm wide and 130mm deep. Trust me when I say this thing’s all but breakable – the thickness of the front wall is 6mm, solid in form, on the rear the mod stuffs a transformer with 270 watts of power. With power and input buttons on the front, the dug-out carburetor, used for the logo, bears LEDs to add the laminating touch of brilliance. No guess if there are speakers attached, but you can externally connect them through vertically fixed input jacks on the side.<br />
<span style="font-size: large;"><b>Motorcycle Engine Importers</b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLv11nnfpnaAsOa5W0gyeuRz-2OowLrOa3uf42HOmhbqTa9LAkGwUlL_KvnDe1l_-TepFCIuRsH1C9GLpkhaoeMfrGRYW28gJzQbf4YRn30AJ9XBsTBAoeqxlUFu4iyJEKIlBlVkltg/s400/2007_yz450f_piston.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><br /> <img alt="Motorcycle Engine Importers" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjLv11nnfpnaAsOa5W0gyeuRz-2OowLrOa3uf42HOmhbqTa9LAkGwUlL_KvnDe1l_-TepFCIuRsH1C9GLpkhaoeMfrGRYW28gJzQbf4YRn30AJ9XBsTBAoeqxlUFu4iyJEKIlBlVkltg/s400/2007_yz450f_piston.jpg" height="640" title="Motorcycle Engine Importers" width="480" /></a></div>
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Welcome to Motorcycle Engine Importers South Africa. We import used Japanese superbike engines with low km's at competitive prices and a hassle free 30 day money back guarantee, provided the engine has not been opened.<br />
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We also cover 50% of any courier costs across South Africa. Please contact our engine specialist Tyrone, if you have any queries or questions about our products.<br />
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<span style="font-size: large;"><b> <span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Pin Bike Engines 80cc And 49cc</span></b></span><br />
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<span style="font-size: large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Yammy Bike Engine</span></b></span></div>
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<span style="font-size: x-large;"><b>Bike Engine 3D</b></span></div>
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Bike engine is a high quality models to add more details and realism to your rendering projects.<br />Models possible to use in any project.<br /><br />Originally modelled in 3ds max 8. Final images rendered with vray.<br />The 3ds max zip file contains also vray and standard materials scenes.<br />
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<span style="font-size: large;"><b>Features:</b></span><br />- High quality polygonal model - correctly scaled accurate representation of the original objects.<br />- Model resolutions are optimized for polygon efficiency(in 3DS MAX the meshsmooth function can be used to increase mesh resolution if necessary).<br />- All colors can be easily modified.<br />- Model is fully textured with all materials applied.<br />- All materials are included and mapped in every format.<br />- Max models grouped for easy selection & objects are logically named for ease of scene <span style="font-size: large;"><b><span style="font-size: large;">M</span>anagement.</b></span><br />- No part-name confusion when importing several models into a scene.<br />- No cleaning up necessary, just drop your models into the scene and start rendering.<br />- No special plugin needed to open scene. <br />
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Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-88155064856069443882013-07-01T03:06:00.001-07:002013-07-01T03:06:21.998-07:00How a Modern Car Engine works<div class="separator" style="clear: both; text-align: center;">
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<br /><br />The engine of a current generation car is quite different from what it used to be few decades back. While the basic process of combustion of air and fuel to generate force (that moves the piston) remains the same, the supporting mechanisms have come a long way.<br /><br /><br />EFFICIENCY:<br /><br />Modern engines have technologies like 'direct injection' that help burn the fuel more efficinetly. Mechanisms to compress air help in better combustion while cylinder deactivation makes sure the engine uses only the amount of fuel that it requires.<br /><br /><br /><br />POWER:<br /><br />The average horsepower of a modern day engine is almost twice of what one got from its predecessors in the 80s.<br /><br /><br /><br />SIZE:<br /><br />Due to the increased power and efficiency of modern engines, manufacturers are building smaller packages that work as well as their larger siblings.<br /><br /><br /><br />TECHNOLOGY:<br /><br />With the help of technology, engines are now able to alter their operations based on the varying conditions of the car. So an engine does not fire all cylinders just for the heck of it, unlike an old V8 which would always run at peak capacity.<br /><br /><br /><br />SUPPORTING COMPONENTS:<br /><br />Presence of battery-powered electric motors help add extra power to the engines when needed. An electric motor as a backup, also helps save on fuel and keeps the size of the main engine in checkAnonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-24864395984701603922013-07-01T03:00:00.002-07:002013-07-01T03:00:33.579-07:00Gear box/ engine<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSTyXFi9JHsGpcY7GVBiI_0rmRBJyhMnrn9GnhD8Xp_uwZfx8HjUlBRjdgZ0eXnwRKMByF9GFuRZKDH-e3_XOJVP57JabmcGsPvA0I4mjYXgPpXkeXjraWwFpq5PYl0kSx9WsF2_UPyQ/s1024/MPCX12012__B.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Gear box/ engine" border="0" height="476" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjSTyXFi9JHsGpcY7GVBiI_0rmRBJyhMnrn9GnhD8Xp_uwZfx8HjUlBRjdgZ0eXnwRKMByF9GFuRZKDH-e3_XOJVP57JabmcGsPvA0I4mjYXgPpXkeXjraWwFpq5PYl0kSx9WsF2_UPyQ/s640/MPCX12012__B.jpg" title="Gear box/ engine" width="640" /></a></div>
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The engine and transmission of a modern Formula One car are some of the most highly stressed pieces of machinery on the planet, and the competition to have the most power on the grid is still intense.<br /><br />Traditionally, the development of racing engines has always held to the dictum of the great automotive engineer Ferdinand Porsche that the perfect race car crosses the finish line in first place and then falls to pieces. Although this is no longer strictly true - regulations now require engines to last more than one race weekend - designing modern Formula One engines remains a balancing act between the power that can be extracted and the need for just enough durability.<br /><br />Engine power outputs in Formula One racing are also a fascinating insight into how far the sport has moved on. In the 1950s Formula One cars were managing specific power outputs of around 100 bhp / litre (about what a modern 'performance' road car can manage now). That figure rose steadily until the arrival of the 'turbo age' of 1.5 litre turbo engines, some of which were producing anything up to 750 bhp / litre. Then, once the sport returned to normal aspiration in 1989 that figure fell back, before steadily rising again. The 'power battle' of the last few years saw outputs creep back towards the 1000 bhp barrier, some teams producing more than 300 bhp / litre in 2005, the final year of 3 litre V10 engines. Since 2006, the regulations have required the use of 2.4 litre V8 engines, with power outputs falling around 20 percent.<br /><br />Revving to a limited 18,000 RPM, a modern Formula One engine will consume a phenomenal 450 litres of air every second, with race fuel consumption typically around the 75 l/100 km (4 mpg) mark. Revving at such massive speeds equates to an accelerative force on the pistons of more than 8000 times gravity. Unsurprisingly, engine-related failures remain one of the most common causes of retirements in races.<br /><br />Modern Formula One engines owe little except their fundamental design of cylinders, pistons and valves to road-car engines. The engine is a stressed component within the car, bolting to the carbon fibre 'tub' and having the transmission and rear suspension bolted to it in turn. Therefore it has to be enormously strong. A conflicting demand is that it should be light, compact and with its mass in as low a position as possible, to help lower the car's centre of gravity and to enable the height of rear bodywork to be minimised.<br /><br />The gearboxes of modern Formula One cars are now highly automated with drivers selecting gears via paddles fitted behind the steering wheel. The 'sequential' gearboxes used are very similar in principle to those of motorbikes, allowing gear changes to be made far faster than with the traditional ‘H’ gate selector, with the gearbox selectors operated electrically. Despite such high levels of technology, fully automatic transmission systems, and gearbox-related wizardry such as launch control, are illegal - a measure designed to keep costs down and place more emphasis on driver skill. Transmissions - most teams run seven-speed units - bolt directly to the back of the engine.<br /><br />Mindful of the massive cost of these ultra high-tech powertrains, the FIA introduced new regulations in 2005 limiting each car to one engine per two Grand Prix weekends, with 10-place grid penalties for those breaking the rule. From 2008, a similar policy was applied to gearboxes, each having to last four race weekends. 2009 saw the introduction of even more stringent engine rules, with drivers limited to eight engines per season. On top of these measures, a freeze on engine development imposed at the end of the 2006 season means teams are unable to alter the fundamentals of their engines’ design.<br /><br />Gearboxes are currently required to last for five consecutive races. Every unscheduled gearbox change will require the driver to drop five places on the grid at that event.Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-33124678099919716662013-07-01T00:26:00.002-07:002013-07-02T02:10:10.140-07:00Making of "modernization heritage of Kitakyushu, Fukuoka<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP94Az2t6pPXcuxGKuDVolzYe_TlXDw0JKLSxLn-l74Mfjr6pyA8CzAAUFXo0EIOmCUbSkMYC8nJ-eCb5djMz5Bwm-6VUFgYNYdGSSJwh5F45yn6MDLpOe9S3yHqm-ospfQ242hYrlNA/s600/buckton-s.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Making of "modernization heritage of Kitakyushu, Fukuoka" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjP94Az2t6pPXcuxGKuDVolzYe_TlXDw0JKLSxLn-l74Mfjr6pyA8CzAAUFXo0EIOmCUbSkMYC8nJ-eCb5djMz5Bwm-6VUFgYNYdGSSJwh5F45yn6MDLpOe9S3yHqm-ospfQ242hYrlNA/s640/buckton-s.JPG" height="480" title="Making of "modernization heritage of Kitakyushu, Fukuoka" width="640" /></a></div>
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<span class="" id="result_box" lang="en"><span class="hps">Such thing as a</span> <span class="hps">mechanical</span> <span class="hps">heritage</span>, <span class="hps">for</span> <span class="hps">highly specialized</span> <span class="hps">very</span> <span class="hps">is</span> <span class="hps">requiring</span> <span class="hps">that</span> <span class="hps">one person</span> <span class="hps">to introduce</span> <span class="hps">a number of</span> <span class="hps">properties</span> <span class="hps">as</span> <span class="hps">construction</span> <span class="hps">is</span> <span class="hps">very difficult</span>, but the <span class="hps">machinery sector</span> <span class="hps">in</span> <span class="hps">the framework of</span> <span class="hps">industrial archeology</span> <span class="hps">this time</span> <span class="hps">I was able to</span> <span class="hps">able to</span> <span class="hps">get to know</span> <span class="hps">majors</span>, <span class="hps">will be introduced</span> <span class="hps">in the</span> <span class="hps">book</span> <span class="hps atn">(</span>the person <span class="hps">that I am</span>, <span class="hps">I</span> <span class="hps">did not have to</span> <span class="hps">write a</span> <span class="hps">sentence</span> <span class="hps">against their better judgment</span>).<br /><span class="hps">In the very</span> <span class="hps atn">(</span>relatively) <span class="hps">high</span> <span class="hps">interest in</span> <span class="hps">heritage</span> <span class="hps">machine</span> <span class="hps">compared</span> <span class="hps">to</span> <span class="hps">other regions</span>, <span class="hps">Kitakyushu</span> <span class="hps">city has</span> <span class="hps">issued</span> <span class="hps">a</span> <span class="hps">report</span> <span class="hps">some</span>. <span class="hps">If</span> <span class="hps">there is a problem</span>, <span class="hps">the existence</span> <span class="hps">of</span> <span class="hps">the</span> <span class="hps">report</span> <span class="hps">is</span> <span class="hps">just</span> <span class="hps">not clear</span>,,, <span class="hps">Ah, no</span>, <span class="hps">this</span> <span class="hps">is not it?</span> <span class="hps">Biggest problem</span>!<br /><br /><span class="hps">The</span> <span class="hps">current</span> <span class="hps">Kyushu Institute of Technology</span>, <span class="hps">machinery</span> <span class="hps">heritage</span> <span class="hps">old system</span> <span class="hps">of</span> <span class="hps">vocational school</span> <span class="hps">era</span> <span class="hps">former</span> <span class="hps">has been</span> <span class="hps">outdoor exhibition</span> <span class="hps">like</span> <span class="hps">this</span>. <span class="hps">I</span> <span class="hps">am writing</span> <span class="hps">that</span> <span class="hps">is!</span> <span class="hps atn">"</span>Prohibit <span class="hps">the entry of</span> <span class="hps">one without the</span> <span class="hps">Subject"</span> <span class="hps">The</span> <span class="hps">main gate</span> <span class="hps">of the university</span>, but <span class="hps atn">"</span>at the <span class="hps">message you</span> <span class="hps">see</span> <span class="hps">the</span> <span class="hps">machine</span> <span class="hps">heritage</span>" <span class="hps">Please</span> <span class="hps">a visit</span> <span class="hps">by all means</span>.</span>Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-18106166396697562602013-07-01T00:21:00.000-07:002013-07-01T00:21:25.270-07:00Tiger Mechanical calculator <div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY5V281KUjJHIIA-ebmmgRDVJQYHJR9XI2f2kJgxatc4olCM4657G8mCuqFK3dFMXCPl-nBncrXlMqC1cWU6gsrXm2vbW0ytL_RMSqnwsD3ZggB20dzaSK3_bWWIW8DJO8UZfhkCkoSA/s850/Tiger+Mechanical+Calculator+Front+Antique+Odhner+(RetroCalculators).JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Tiger Mechanical calculator" border="0" height="422" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhY5V281KUjJHIIA-ebmmgRDVJQYHJR9XI2f2kJgxatc4olCM4657G8mCuqFK3dFMXCPl-nBncrXlMqC1cWU6gsrXm2vbW0ytL_RMSqnwsD3ZggB20dzaSK3_bWWIW8DJO8UZfhkCkoSA/s640/Tiger+Mechanical+Calculator+Front+Antique+Odhner+(RetroCalculators).JPG" title="Tiger Mechanical calculator" width="640" /></a></div>
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The Tiger Calculator is a pinwheel style machine manufactured in Japan by The Tiger Calculating Machine Co. Ltd. of Osaka. This machine is very similar to those of the European brands such as Original Odhner and Brunsviga.Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-91265419237554159342013-06-30T13:29:00.000-07:002013-06-30T13:29:01.125-07:00The largest truck in the world<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbGyA6IlPr_xjuIZ86jSe8LO8zMjywG7RwxsaatJubd3whblhPKul2odbfukXNdX0l0RP7_03sY9SATYt5aZu0obqO05Wnaez4q2juhmhz_Q5g-omMJnPJJJS1RvjPdGKJLNONogMTsQ/s640/7ba79e8b3b4814bea74d0ddcaec2c000.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="The largest truck in the world" border="0" height="422" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbGyA6IlPr_xjuIZ86jSe8LO8zMjywG7RwxsaatJubd3whblhPKul2odbfukXNdX0l0RP7_03sY9SATYt5aZu0obqO05Wnaez4q2juhmhz_Q5g-omMJnPJJJS1RvjPdGKJLNONogMTsQ/s640/7ba79e8b3b4814bea74d0ddcaec2c000.jpg" title="The largest truck in the world" width="640" /></a></div>
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<span class="" id="result_box" lang="en"><span class="hps">An</span> <span class="hps">extraordinary</span> <span class="hps">3</span> <span class="hps">bogie</span> <span class="hps">axles</span> <span class="hps">to haul</span> <span class="hps">trains</span> <span class="hps">of</span> <span class="hps">5000 tons</span> <span class="hps">...</span> <span class="hps">It is</span> <span class="hps">this extraordinary</span> <span class="hps">bogie</span> <span class="hps">which</span> <span class="hps">was released this summer</span> <span class="hps">workshops</span> <span class="hps">Alstom</span> <span class="hps">at Le Creusot</span><span>.</span> <span class="hps">To take the lead</span> <span class="hps">in China.</span> <span class="hps">A record</span> <span class="hps">bogie</span> <span class="hps">which enshrines the</span> <span class="hps">expertise of</span> <span class="hps">Creusot</span></span> <br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1ExtsQCtT8R0WqKxnv1RW9OfqmoZw_A3QT1wrbx8weaYjpdMR_Esx2bK1KjtiFRirUNw558j99N0hrhyjN0wzcWugW0vnVEWuMOK96lEGgA0i5O6fx0CRpIIE_84ZDZzTINVOEFVOQQ/s640/bb2a82a930d062824055e22d495d4318.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="The largest truck in the world" border="0" height="368" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1ExtsQCtT8R0WqKxnv1RW9OfqmoZw_A3QT1wrbx8weaYjpdMR_Esx2bK1KjtiFRirUNw558j99N0hrhyjN0wzcWugW0vnVEWuMOK96lEGgA0i5O6fx0CRpIIE_84ZDZzTINVOEFVOQQ/s640/bb2a82a930d062824055e22d495d4318.jpg" title="The largest truck in the world" width="640" /></a></div>
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<span class="" id="result_box" lang="en"><span title="Quelle pièce !">What part! </span><span title="Quand on le regarde il dégage de la puissance.">When you look at it generates power. </span><span title="Et il est forcément à l'image de ce que représente Le Creusot.">And it is necessarily the image that is Le Creusot. </span><span title="On sait pour l'avoir ainsi consacrée que Le Creusot est la ville de toutes les énergies.">It is known for having devoted so that Le Creusot is the city of all energies. </span><span title="Mais on oublie qu'il s'agit, aussi, de la ville de toutes les performances.">But we forget that this, too, the city of all the performances.</span><span title="Car ce sont bien deux siècles de performances qui ont permis et permettent encore au Creusot de rayonner sur le monde.">Because those are two centuries of performances allowed and still allow the Creusot to shine on the world. </span><span title="Quand Deng Xiaoping, qui allait devenir le numéro un chinois, avait donné de la sueur de son front dans les ateliers, au début des années 20, il était sans doute loin de penser que Le Creusot fabriquerait un jour, pour les besoins de son pays">When
Deng Xiaoping, who would become the Chinese number one, gave the sweat
from his brow in the workshops in the early 20s, it was probably far
from thinking that Le Creusot would manufacture one day for the sake of
his country </span><span title=", le plus gros bogie du monde.">The largest truck in the world.<br /></span><span title="27 TONNES LE BOGIE">27 THE TON TRUCK<br /></span><span title="C'est pourtant l'exploit que vient de réaliser Alstom.">Yet it is the feat that just made Alstom. </span><span title="Des ateliers du Creusot du numéro un mondial du ferroviaire, vient en effet de sortir le plus gros bogie du monde.">Workshops Creusot world number one railway, has just released the biggest truck in the world.</span><span title="Une pièce exceptionnelle de puissance.">An exceptional piece of power. </span><span title="Que l'on en juge : 6,50 mètres de longueur, 27 tonnes de poids, trois essieux avec des roues de 1250 mm de hauteur...">That we judge: 6.50 meters long, 27 tons of weight, three axles with wheels 1250 mm high ... </span><span title="C'est ce bogie hors norme qui, en début de semaine, a pris la direction de la Chine.">It is extraordinary that this truck, earlier this week, has taken the lead in China.</span><span title="«Ce bogie a été spécialement fabriqué pour équiper des locomotives parmi les plus puissantes du monde.">"This truck has been specially manufactured to equip locomotives among the most powerful in the world. </span><span title="Il dotera en effet une loco électrique d'une puissance de 10 mégawatts, soit l'équivalent de 16.000 chevaux», annonce Frédéric Liodenot, responsable technique pour le segment bogies grande vitesse et locomotives, à l'établissement Alstom du Creusot.">It
will provide in effect an electric locomotive with a power of 10
megawatts, the equivalent of 16,000 horses, "says Frédéric Liodenot,
technical manager for high speed locomotives and trucks segment,
establishing Alstom Creusot.<br /></span><span title="POUR DES TRAINS DE 5000 TONNES ET 1 KILOMETRE DE LONG">FOR TRAINS 5000 TONNES AND 1 MILE LONG<br /></span><span title="C'est pour des trains de fret de 5000 tonnes que le bogie a été conçu et fabriqué.">This is for freight trains of 5,000 tons the truck was designed and manufactured. </span><span title="Des trains dont la longueur dépasse le kilomètre.">Trains that are longer than a kilometer. </span><span title="Et c'est à la vitesse de 120 Km/heure que circuleront ces trains de géants sur le réseau chinois.">And it is the speed of 120 Km / hour trains circulate these giants in the Chinese network.</span><span title="Avec son bogie «made in Creusot» la locomotive affichera un poids très respectable de 150 tonnes.">With his truck "Made in Creusot" locomotive display a very respectable weight of 150 tons. </span><span title="«C'est l'équivalent tant en poids qu'en puissance de 200 Renault Twingo», souligne Frédéric Liodenot.">"This is the equivalent of both weight and power of 200 Renault Twingo," said Frederic Liodenot.</span><span title="Le client chinois a passé commande de 500 locomotives.">Chinese customer has placed an order for 500 locomotives. </span><span title="Avec un transfert de technologie qui voit l'établissement du Creusot fabriquer 10% des bogies pour ces locomotives.">With the transfer of technology that sees the establishment of Creusot make 10% of bogies for these locomotives.</span><span title="Mais au-delà du nombre, c'est bien évidemment la performance qu'il convient de retenir et souligner.">But beyond the numbers, it is of course the performance that should be remembered and emphasize.<br /></span><span title=""LE RETOUR DE LA TRES GRANDE TRACTION"">"THE RETURN OF THE VERY HIGH TENSION"<br /></span><span title="«L'établissement Alstom du Creusot est spécialisé dans tous types de bogies.">"The establishment of the Alstom Creusot specializes in all types of trucks. </span><span title="Les plus petits pour les Tramways et les Métros.">Smaller for Trams and Metros. </span><span title="Les plus rapides pour les TGV et les AGV, les trains grande vitesse de nouvelle génération.">Faster for TGV and AGV, the new generation of high speed trains. </span><span title="Et donc désormais les plus lourds pour des fonctions de fret», met en avant Frédéric Liodenot.">So now the heaviest freight for functions "highlights Frederic Liodenot. </span><span title="Et d'affirmer : «C'est le retour de la très grande traction dans les ateliers du Creusot».">And say: "This is the return of the great traction in the workshops of Le Creusot."</span><span title="Depuis le début des années 90 et des locomotives diesel pour l'Afrique, l'établissement du Creusot n'avait plus fabriqué de bogies de grande dimension.">Since the early 90s and diesel locomotives for Africa, the establishment of the Creusot was not manufactured bogies large.</span><span title="Les nouvelles perspectives en matière de transport de marchandises par le fer, notamment au nom du développement durable, ouvrent de nouveaux horizons.">New prospects for freight by rail, including the name of sustainable development, opening new horizons. </span><span title="Et encore plus en Chine.">And even in China. </span><span title="«Quand on veut développer un pays, il ya toujours une obligation de développer les transports et c'est ce qui se passe aujourd'hui en Chine», relève encore Frédéric Liodenot.">"When
we want to develop a country, there is always an obligation to develop
transport and this is what is happening in China," notes Frédéric
Liodenot yet.<br /></span><span title="Alain BOLLERY">Alain Bollery<br /></span><span title="OBJECTIF 2400 BOGIES PAR AN">OBJECTIVE BOGIE 2400 PER YEAR<br /></span><span title="A l'horizon de 2012, l'établissement Alstom du Creusot ambitionne de produire 2400 bogies par an pour tous types de trains.">By the year 2012, the establishment of Creusot Alstom aims to produce 2,400 trucks per year for all types of trains. </span><span title="Il en produit actuellement 2000, contre 1500 il ya un an.">It currently produces 2000 against 1,500 a year ago. </span><span title="Il produit également 20.000 amortisseurs.">It also produces 20,000 dampers.</span><span title="L'effectif, qui était de 500 personnes en CDI il ya 2 ans était de 601 à la mi-juillet, juste avant la fermeture annuelle.">The number, which was 500 people in CDI 2 years ago was 601 in mid-July, just before the annual shutdown. </span><span title="Cet effectif devrait grimper à 630 personnes d'ici la fin de l'année">This number is expected to climb to 630 people by the end of the year</span></span><br />
<span class="" id="result_box" lang="en"><span title="Cet effectif devrait grimper à 630 personnes d'ici la fin de l'année"> </span></span> <br />
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<br />Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-59509364092599388032013-06-30T13:02:00.000-07:002013-06-30T13:02:08.927-07:00Ramjet engine <div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYx4qNaaygrTJV7KtF5vPmPt-LjSNJs5AGao9F5-F93geEtvgy1aGJW4mlpGvhyu3T76b70IQLyIzo3TdebpgqmPJVV40TyuO763bQLeh8_zPyxLR5UeTfla10MEmZC3tXbvv_D2Je4g/s274/RAMJET.GIF" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Ramjet engine " border="0" height="149" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYx4qNaaygrTJV7KtF5vPmPt-LjSNJs5AGao9F5-F93geEtvgy1aGJW4mlpGvhyu3T76b70IQLyIzo3TdebpgqmPJVV40TyuO763bQLeh8_zPyxLR5UeTfla10MEmZC3tXbvv_D2Je4g/s640/RAMJET.GIF" title="Ramjet engine " width="640" /></a></div>
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<br />The most simple jet engine has no moving parts. The speed of the jet "rams" or forces air into the engine. It is essentially a turbojet in which rotating machinery has been omitted. Its application is restricted by the fact that its compression ratio depends wholly on forward speed. The ramjet develops no static thrust and very little thrust in general below the speed of sound. As a consequence, a ramjet vehicle requires some form of assisted takeoff, such as another aircraft. It has been used primarily in guided-missile systems. Space vehicles use this type of jet.Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-32583814118406309792013-06-30T12:59:00.001-07:002013-06-30T12:59:43.384-07:00Turboshaft jet engine <div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjO1KFUuNlBcVfhWmOzcdqnI1KEGtow0xtQsZoZKGqfysuJ7HMM7RldfWognEZLAT-HyWjJgU-g5gQkS3wAVGa1YbKNhrWYh5DGUBNFZRtGZAR3dZCR751GDmreQNNJ5ZyQll2zaqsLag/s290/turboshaft.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Turboshaft jet engine " border="0" height="174" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjO1KFUuNlBcVfhWmOzcdqnI1KEGtow0xtQsZoZKGqfysuJ7HMM7RldfWognEZLAT-HyWjJgU-g5gQkS3wAVGa1YbKNhrWYh5DGUBNFZRtGZAR3dZCR751GDmreQNNJ5ZyQll2zaqsLag/s640/turboshaft.gif" title="Turboshaft jet engine " width="640" /></a></div>
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This is another form of gas-turbine engine that operates much like a turboprop system. It does not drive a propellor. Instead, it provides power for a helicopter rotor. The turboshaft engine is designed so that the speed of the helicopter rotor is independent of the rotating speed of the gas generator. This permits the rotor speed to be kept constant even when the speed of the generator is varied to modulate the amount of power produced.Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-60126486750319114162013-06-30T12:55:00.002-07:002013-07-01T13:00:20.337-07:00Turbofanjet engine <div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY99cPC8mUiM4PVwhKtfAODhgdtiT8Jg84A2Pq0Q-IUuKZBu_HZ8qyhW42l38taZtcfzDFUlpWKdLG43I-mp1YlY2nOSE1r9-x_-Ksd76tnBQ9a0W3qWBQ5hL6FHnv0beMgpjR4oOcpw/s285/turbofan.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Turbofanjet engine" border="0" height="253" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgY99cPC8mUiM4PVwhKtfAODhgdtiT8Jg84A2Pq0Q-IUuKZBu_HZ8qyhW42l38taZtcfzDFUlpWKdLG43I-mp1YlY2nOSE1r9-x_-Ksd76tnBQ9a0W3qWBQ5hL6FHnv0beMgpjR4oOcpw/s640/turbofan.gif" title="Turbofanjet engine" width="640" /></a></div>
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A turbofan engine has a large fan at the front, which sucks in air. Most of the air flows around the outside of the engine, making it quieter and giving more thrust at low speeds. Most of today's airliners are powered by turbofans. In a turbojet all the air entering the intake passes through the gas generator, which is composed of the compressor, combustion chamber, and turbine. In a turbofan engine only a portion of the incoming air goes into the combustion chamber. The remainder passes through a fan, or low-pressure compressor, and is ejected directly as a "cold" jet or mixed with the gas-generator exhaust to produce a "hot" jet. The objective of this sort of bypass system is to increase thrust without increasing fuel consumption. It achieves this by increasing the total air-mass flow and reducing the velocity within the same total energy supply<br />
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Civil Turbojet/Turbofan Specifications</span> </b></span><br />
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<br />Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-42524419926963219142013-06-30T12:53:00.000-07:002013-07-01T13:14:11.079-07:00Turbojet engine <div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKtdWS-9RfSflEJYcynR1vX1d_pYm-q-9V4w-ZNmx_VeQB5Au_LG16lzslP0rpV_3xyefe5TMty4eZwk5PWhwFDrfr0sH77kJqRIpqFY6s7gZR7iBPaygJdw3k1_Ym72l3zZLtlIiB1g/s285/turbojet.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Turbojet engine" border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKtdWS-9RfSflEJYcynR1vX1d_pYm-q-9V4w-ZNmx_VeQB5Au_LG16lzslP0rpV_3xyefe5TMty4eZwk5PWhwFDrfr0sH77kJqRIpqFY6s7gZR7iBPaygJdw3k1_Ym72l3zZLtlIiB1g/s640/turbojet.gif" title="Turbojet engine" width="640" /></a></div>
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The basic idea of the turbojet engine is simple. Air taken in from an opening in the front of the engine is compressed to 3 to 12 times its original pressure in compressor. Fuel is added to the air and burned in a combustion chamber to raise the temperature of the fluid mixture to about 1,100°F to 1,300° F. The resulting hot air is passed through a turbine, which drives the compressor. If the turbine and compressor are efficient, the pressure at the turbine discharge will be nearly twice the atmospheric pressure, and this excess pressure is sent to the nozzle to produce a high-velocity stream of gas which produces a thrust. Substantial increases in thrust can be obtained by employing an afterburner. It is a second combustion chamber positioned after the turbine and before the nozzle. The afterburner increases the temperature of the gas ahead of the nozzle. The result of this increase in temperature is an increase of about 40 percent in thrust at takeoff and a much larger percentage at high speeds once the plane is in the air.<br />
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The turbojet engine is a reaction engine. In a reaction engine, expanding gases push hard against the front of the engine. The turbojet sucks in air and compresses or squeezes it. The gases flow through the turbine and make it spin. These gases bounce back and shoot our of the rear of the exhaust, pushing the plane forward<br />
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<h1 class="firstHeading" id="firstHeading" lang="en">
<span style="font-size: x-large;"><span dir="auto">J85 ge 17a turbojet engine</span></span></h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSrdkKCgxID8YMkbXHr-f989YjGKglo3hC2nM84x6mFJTQNut17wbeYMwzGLxjotqLGHFf-5zGeBnpTJECVyK1tye5PQM4M3a3tg65OPUSB5MOssMEs_GOuEmj_Z2IMSJlSltoogmVkQ/s288/images.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="388" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgSrdkKCgxID8YMkbXHr-f989YjGKglo3hC2nM84x6mFJTQNut17wbeYMwzGLxjotqLGHFf-5zGeBnpTJECVyK1tye5PQM4M3a3tg65OPUSB5MOssMEs_GOuEmj_Z2IMSJlSltoogmVkQ/s288/images.jpg" width="640" /></a></div>
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Pioneers</span> </b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHAeIblkPjwi41yVO4Q8e7-Tt_87Gkx_jrcuqyLX0DWSliQg3r9yQhFfAfzmWaYUgufJ6s_vEmtTTiyTFs8k77KkZv35oFFMlcg_b0c7j1J0gpozN4jMOqGqpHBSTEwDXmZ_fDpuvcVA/s262/images333.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="469" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHAeIblkPjwi41yVO4Q8e7-Tt_87Gkx_jrcuqyLX0DWSliQg3r9yQhFfAfzmWaYUgufJ6s_vEmtTTiyTFs8k77KkZv35oFFMlcg_b0c7j1J0gpozN4jMOqGqpHBSTEwDXmZ_fDpuvcVA/s262/images333.jpg" width="640" /></a></div>
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The W.1 turbojet engine used to power the Gloster E28/39 aircraft. It was designed to produce a static thrust of 1,240 lbs at 17,750 rpm. This engine was also the basis of the design of the General Electric I-14 turbojet engine used to power the Bell XP-59A twin engine experimental fighter.<br />
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<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">General Electric J85-GE-17A Turbojet</span></b></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzSYGjEXAzigHIViOhLhcjcQya5KQWA291qZNun09pjOtczmFB5d4OL33VCjFhX9jlAyq5mt3kvuwayCdfT08A7BsCqZooGVfLP12LbmZlyiEFdiLhenNPiv-Qwa1dwlnPYQPfcJpFZA/s730/GE90-115B-trimetric-with-callouts-d40545--Hi-Res_lg.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="432" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzSYGjEXAzigHIViOhLhcjcQya5KQWA291qZNun09pjOtczmFB5d4OL33VCjFhX9jlAyq5mt3kvuwayCdfT08A7BsCqZooGVfLP12LbmZlyiEFdiLhenNPiv-Qwa1dwlnPYQPfcJpFZA/s730/GE90-115B-trimetric-with-callouts-d40545--Hi-Res_lg.jpg" width="640" /></a></div>
<span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"> </span></b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: small;">This turbojet engine was built in 1970 and powered a Cessna A-37 attack aircraft, which was used for ground-support missions during the Vietnam War</span></span></span><br />
<h1 class="firstHeading" id="firstHeading" lang="en">
<span dir="auto">Jet engine numbered</span></h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRIVxho7GS85zf5L-KcIgzxK_8EQ_15dEtzFxeX4Ycit-9VYnBqWNPEiegcU-zD0g5lqWzZywUL-QkL0au2gMh9tiKArJovwL1xfLPsDIzzlgqwEccEbNbQHN62_SCnJLOcHsPUXU5pQ/s280/images.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="411" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRIVxho7GS85zf5L-KcIgzxK_8EQ_15dEtzFxeX4Ycit-9VYnBqWNPEiegcU-zD0g5lqWzZywUL-QkL0au2gMh9tiKArJovwL1xfLPsDIzzlgqwEccEbNbQHN62_SCnJLOcHsPUXU5pQ/s280/images.jpg" width="640" /></a></div>
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<span dir="auto"></span><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">Afterburning Turbojet</span></h1>
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<span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><br /><br /><span style="font-weight: normal;"><span style="font-size: small;">To move an airplane through the air, thrust is generated by some kind of propulsion system. Most modern fighter aircraft employ an afterburner on either a low bypass turbofan or a turbojet. On this page we will discuss some of the fundamentals of an afterburning turbojet.<br /><br />In order for fighter planes to fly faster than sound (supersonic), they have to overcome a sharp rise in drag near the speed of sound. A simple way to get the necessary thrust is to add an afterburner to a core turbojet. In a basic turbojet some of the energy of the exhaust from the burner is used to turn the turbine. The afterburner is used to put back some energy by injecting fuel directly into the hot exhaust. In the diagram, you'll notice that the nozzle of the basic turbojet has been extended and there is now a ring of flame holders, colored yellow, in the nozzle. When the afterburner is turned on, additional fuel is injected through the hoops and into the hot exhaust stream of the turbojet. The fuel burns and produces additional thrust, but it doesn't burn as efficiently as it does in the combustion section of the turbojet. You get more thrust, but you burn much more fuel. When the afterburner is turned off, the engine performs like a basic turbojet.<br /><br />Afterburners are only used on supersonic aircraft like fighter planes and the Concorde supersonic airliner. (The Concorde turns the afterburners off once it gets into cruise. Otherwise, it would run out of fuel before reaching Europe.) Afterburners offer a mechanically simple way to augment thrust and are used on both turbojets and turbofans.</span></span></span></h1>
<h1 class="firstHeading" id="firstHeading" lang="en">
<span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-weight: normal;"><span style="font-size: small;"><span style="font-size: x-large;"><b><span class="irc_pt irc_iis" dir="ltr" style="text-align: left;">What volcanic ash does to jet engines</span></b></span> </span></span></span></h1>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit7oE4lvVy4kq20HqLzUK1a3C1WDTchexn8CMVnpgj8jvmMKJj2xXivYxj2xzM8KrhUwnBnDQ585sKqj_bapGEwDMKCwgfZ2E4OKR8XPQIODbqvBcmgwwaCV8PHXkF9PV_tuK7mewPzQ/s550/jet-engine.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="446" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEit7oE4lvVy4kq20HqLzUK1a3C1WDTchexn8CMVnpgj8jvmMKJj2xXivYxj2xzM8KrhUwnBnDQ585sKqj_bapGEwDMKCwgfZ2E4OKR8XPQIODbqvBcmgwwaCV8PHXkF9PV_tuK7mewPzQ/s640/jet-engine.jpg" width="640" /></a></div>
<h1 class="firstHeading" id="firstHeading" lang="en">
<span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-weight: normal;"><span style="font-size: small;"> </span></span></span></h1>
We tend to forget as we jet around the world the jet engine
technology that propels us – especially as newer planes like the Airbus
A380 are so much quieter the engine noise isn’t as noticeable. Jet
engines are amazing for their ingenious simplicity, but as engineering
experts have been warning today, jet engines are also very delicate and
susceptible to damage from dust, sand and ash. That’s the reason behind
the grounding of planes all over Europe.<br />
So what does volcanic ash actually do to a jet engine? Dr Rob Howell,
Department of Mechanical Engineering at the University of Sheffield
explained it to the UK Science Media Centre this way:<br />
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<span class="irc_pt irc_iis" dir="ltr" style="text-align: left;"><span style="font-size: x-large;"><b>Bills Turbojet Engine</b></span>.</span> <br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4yEewC42iG7JHPVgbw171Sl-R23ibh_GgERzUalamsvzSlzbxKftSPPviqf59scW3hGg2WAj7ouu5hQdiRYjmGO5xEDX6oNXyZQH08CXlPC-BK-9sstZ5tU7UCtK1CM9nav_1bLZWNQ/s640/charger2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4yEewC42iG7JHPVgbw171Sl-R23ibh_GgERzUalamsvzSlzbxKftSPPviqf59scW3hGg2WAj7ouu5hQdiRYjmGO5xEDX6oNXyZQH08CXlPC-BK-9sstZ5tU7UCtK1CM9nav_1bLZWNQ/s640/charger2.jpg" width="640" /></a></div>
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Another pic of the engine prior to teardown. The pump and motor are coupled together, and are from an old oil burner that i had i cleaned up. The pump is a single stage 100 psi unit. The only way to bring the pressure down was to use the bleeder nut to adjust the psi, this seems to work well. The oil is pumped at around 25-30 psi. Oil is Mobil1, the oil pump has a built in micro mesh filter and seems to be doing it's job well. This engine is started with a vacum cleaner. And the procedure is pretty much the same as all the other units that have been built.<br /><br />Please note these turbos can be extremely dangerous, take precautions to keep<br />yourself safe as well as the people that are near by.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTnMQ2bBgG2bZLWoxJHYcHxV_HPfskUY6LB0qKUXENe51uiXhMTuq-XtoVQ2-9coqKp2h-rBJynra_eDYUBU9tVRf6V8DjS4uu5S3ynA_hRPszsw4yFUaXIsFXxr4b3gfh9pqx1-WsCw/s320/charger3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTnMQ2bBgG2bZLWoxJHYcHxV_HPfskUY6LB0qKUXENe51uiXhMTuq-XtoVQ2-9coqKp2h-rBJynra_eDYUBU9tVRf6V8DjS4uu5S3ynA_hRPszsw4yFUaXIsFXxr4b3gfh9pqx1-WsCw/s640/charger3.jpg" width="640" /></a></div>
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Pic of new stainless flame tube test. I was very happy that it started right up.<br />This was taken at half throttle, and full blower, start air. My neighbors are now getting used to the sights and sounds coming from my garage. After some modifications to the gaskets and a paint job for the complete engine I will<br />reassemble the jet. Next is the design of an oil cooler and some kind of power turbine setup do drive a model plane prop. This engine is going to the annual car show and should turn a few heads I hope, a lot of people will bring their steam engines, but I'll have a turbojet !<br /><br />Looking into the hot end, inlet. That is a 2 1/2" pipe flange on the hot end with a nipple threaded onto it , the combustor then threads onto that . The whole engine is either bolted or screwed together, I didn't have access to a welder. This is not a big deal it's easy to pull apart and reassemble. This can be done in about 15 minutes. The can you see is my oil tank. Very high tech huh?<br />
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This is the fuel nozzle, it can be moved in or out for adjustment, for a better combustion burn. The Ignition is nothing more than a gas grill igniter, attached to a super long reach spark plug. The plug is an ignitor that came from an propane heater. This system works well and I have it set for a 1/4 inch gap.<br />
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Original copper flame tube and steel liner. I replicated the flame tube and it is now stainless steel. The liner was taken from an old oil burner.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCXG40JLQTAI3C3lP_kDjIh8VxBKWoFAN38XkVWzDxpMA81gJE4EPckrr5xXlpdS3uSq_xSposdEt_hQ3yY6kY_e09ITGSEi5jlJXfLHScfhZ0lPHXyQsOzbnyz4cSKvDEpJjhlLjyAQ/s640/charger1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="480" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCXG40JLQTAI3C3lP_kDjIh8VxBKWoFAN38XkVWzDxpMA81gJE4EPckrr5xXlpdS3uSq_xSposdEt_hQ3yY6kY_e09ITGSEi5jlJXfLHScfhZ0lPHXyQsOzbnyz4cSKvDEpJjhlLjyAQ/s640/charger1.jpg" width="640" /></a></div>
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Pic of new stainless flame tube with flame retention head. This was an exact duplicate of the copper one, and this has been tested and starts fine. Next to it is the fuel nozzle this was taken from the oil burner and I removed the strainer and fuel swirler that was inside the nozzle. The nozzle tip was drilled out to 1/16th".<br />Fuel nozzles can be changed in a matter of minutes. I haven't tried any newer type arrangements as of yet.<br /><br />Hopefully I'll have my own site soon and will have more cool stuff in regards to turbos. My interest with these units stems back in the 70s when I worked on Hueys in the ARMY. My favorite engine was the Allison T-55 gas turbine it was a very rugged turbo shaft. Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0tag:blogger.com,1999:blog-8859233297933037329.post-5637716110798046682013-06-30T12:48:00.001-07:002013-06-30T12:48:52.341-07:00Turboprop Jet engine <div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7CrBorQ129b2sLmWEau5048Rl1HNNTIGS3M1IHP06cyUBzeLYDrzfGlZ2XnOGnpdMoZspe3NvRk3C9g3xtJKXBEz7Gym3l_kU6X3en9ZBbKKmBvJElCV7ZE25S5AmvOHzRId-YpgvVA/s272/Turbopro.gif" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Turboprop Jet engine " border="0" height="341" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi7CrBorQ129b2sLmWEau5048Rl1HNNTIGS3M1IHP06cyUBzeLYDrzfGlZ2XnOGnpdMoZspe3NvRk3C9g3xtJKXBEz7Gym3l_kU6X3en9ZBbKKmBvJElCV7ZE25S5AmvOHzRId-YpgvVA/s640/Turbopro.gif" title="Turboprop Jet engine " width="640" /></a></div>
A turboprop engine is a jet engine attached to a propellor. The turbine at the back is turned by the hot gases, and this turns a shaft that drives the propellor. Some small airliners and transport aircraft are powered by turboprops.<br /><br />Like the turbojet, the turboprop engine consists of a compressor, combustion chamber, and turbine, the air and gas pressure is used to run the turbine, which then creates power to drive the compressor. Compared with a turbojet engine, the turboprop has better propulsion efficiency at flight speeds below about 500 miles per hour. Modern turboprop engines are equipped with propellers that have a smaller diameter but a larger number of blades for efficient operation at much higher flight speeds. To accommodate the higher flight speeds, the blades are scimitar-shaped with swept-back leading edges at the blade tips. Engines featuring such propellers are called propfans.<br /><br />Hungarian, Gyorgy Jendrassik who worked for the Ganz wagon works in Budapest designed the very first working turboprop engine in 1938. Called the Cs-1, Jendrassik's engine was first tested in August of 1940; the Cs-1 was abandoned in 1941 without going into production due to the War. Max Mueller designed the first turboprop engine that went into production in 1942.Anonymoushttp://www.blogger.com/profile/05877273593154009871noreply@blogger.com0