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The Short SC.7 Skyvan (nicknamed the "flying shoebox")〔http://www.bbc.co.uk/northernireland/yourplaceandmine/topics/transport/A957558.shtml〕 is a 19-seat twin-turboprop aircraft manufactured by Short Brothers of Belfast, Northern Ireland. It is used mainly for short-haul freight and skydiving. The Skyvan is a high wing, twin-engined all-metal monoplane with a mid-mounted tailplane and twin rudders. The first flight of the Skyvan, the Skyvan 1, was on 17 January 1963. It is affectionately called "the shed" by pilots and crew. The Short 330 and Short 360 are stretched models of the original SC.7, designed as regional airliners. ==Design and development== In 1958, Shorts was approached by F.G. Miles Ltd (successor company to Miles Aircraft) which was seeking backing to produce a development of the H.D.M.106 Caravan design with a high aspect ratio wing similar to that of the Hurel-Dubois HD.31. Shorts acquired the design and data gathered from trials of the Miles Aerovan based H.D.M.105 prototype. After evaluating the Miles proposal, Shorts rejected the Caravan. They developed their own design for a utility all-metal aircraft which was called the Short SC.7 Skyvan. It was popular with freight operators compared to other small aircraft because of its large rear door for loading and unloading freight. Its fuselage resembles the shape of a railroad boxcar for simplicity and efficiency. Construction started at Sydenham Airport in 1960, and the prototype first flew on 17 January 1963, powered by two Continental piston engines. Later in 1963, the prototype was re-engined with the intended Turbomeca Astazou turboprop engines. The Skyvan is an all-metal, high-wing monoplane, with a braced, high aspect ratio wing, and an unpressurised, square-section fuselage. In 1968, production switched to the Skyvan Series 3 aircraft, which replaced the Astazou engines with Garrett AiResearch TPE331 turboprops. A total of 153 Skyvans (plus the prototype) was produced before production ended in 1986. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Short SC.7 Skyvan」の詳細全文を読む スポンサード リンク
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