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The American Sportscopter Ultrasport 496 is an American helicopter that was designed and produced by American Sportscopter of Newport News, Virginia. Now out of production, when it was available the aircraft was supplied as a kit for amateur construction.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 319. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1〕 ==Design and development== The Ultrasport 496 is a two-seat trainer development of the Ultrasport 254 and, like that model, is named for its empty weight in pounds. The aircraft was designed to comply with the US ''Experimental - Amateur-built'' aircraft rules. It could also have been registered as a FAR 103 Ultralight Vehicles rules exemption trainer. It features a single main rotor, a two-seats in side-by-side configuration enclosed cockpit with optional doors, skid-type landing gear and a four-cylinder, horizontally opposed, air-cooled, two-stroke, dual-ignition Hirth F-30 engine.〔 The aircraft fuselage is made from composites. Its diameter two-bladed rotor employs an ATI 012 (VR-7 mod) airfoil at the blade root, transitioning to an ATI 008 (VR-7 mod) airfoil at the tip. The dual controls include cyclic controls mounted from the cockpit ceiling, but are otherwise conventional. The tail rotor is ring-mounted and the horizontal tailplane mounts end-fins for directional stability. A ballistic parachute was a factory option.〔 The aircraft has an empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for crew and baggage is .〔 The manufacturer estimated the construction time from the supplied kit as 60 hours.〔 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「American Sportscopter Ultrasport 496」の詳細全文を読む スポンサード リンク
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