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XF3H-1 prototype on USS Coral Sea in 1953 The first F3H-1N in 1954. Although the existence of the Soviet Union's Mikoyan-Gurevich MiG-15 jet fighter program was unknown to U.S. intelligence at the time, the United States Navy anticipated the appearance of high-performance Soviet jet fighters, and issued requirements for a high-performance swept wing naval fighter on 21 May 1948. [6]
In 1953, McDonnell Aircraft began work on revising its F3H Demon naval fighter, seeking expanded capabilities and better performance. The company developed several projects, including a variant powered by a Wright J67 engine, [ 19 ] and variants powered by two Wright J65 engines, or two General Electric J79 engines. [ 20 ]
The McDonnell Aircraft Corporation was an American aerospace manufacturer based in St. Louis, Missouri.The company was founded on July 6, 1939, by James Smith McDonnell, and was best known for its military fighters, including the F-4 Phantom II, and crewed spacecraft including the Mercury capsule and Gemini capsule.
Couldn't get your hands on the ethanol-fueled production car? Direct Connection will soon sell its 1000-plus-hp engine. Dodge Challenger Demon 170 Crate Engine Can Be Yours for $28K
Four-stroke model engines have been made in sizes as small as 0.20 in3 (3.3 cc) for the smallest single-cylinder models, all the way up to 3.05 in3 (50 cc) for the largest size for single-cylinder units, with twin- and multi-cylinder engines on the market being as small as 10 cc for opposed-cylinder twins, while going somewhat larger in size ...
The model car "kit" hobby began in the post World War II era with Ace and Berkeley wooden model cars. Revell pioneered the plastic model car in the late 1940s with their Maxwell kit, which was basically an unassembled version of a pull toy. Derek Brand, from England, pioneered the first real plastic kit, a 1932 Ford Roadster for Revell.
When it appeared on the cover of Popular Science magazine in 1951, the Model 2 was a two-passenger convertible offered either fully assembled or as a kit, powered by a 23 cu in (0.4 L) [3] 7.5 hp (5.6 kW) sidevalve [3] Wisconsin AENL engine.
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