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The Express Series 90 is an American homebuilt aircraft that was designed and produced by the Express Aircraft Company of Olympia, Washington, introduced in the late 1980s. When it was available the aircraft was supplied as a kit for amateur construction.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 152. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1〕 ==Design and development== The Express Series 90 is a development of the earlier Wheeler Express. It incorporates a 20% larger tail which gives a wider center of gravity range. The larger tail also enhances pitch and yaw stability.〔 The aircraft features a cantilever low-wing, a four seat enclosed cabin, fixed tricycle landing gear with wheel pants and a single engine in tractor configuration.〔 The Series 90 is made from composites. Its span wing mounts flaps and has a wing area of . The cabin width is . The standard engine used is the Lycoming IO-540 four stroke, air-cooled, six cylinder powerplant.〔 The aircraft has a typical empty weight of and a gross weight of , giving a useful load of . With full fuel of the payload for pilot, passengers and baggage is .〔 The manufacturer estimated the construction time from the supplied kit as 2000 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「Express Series 90」の詳細全文を読む スポンサード リンク
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