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The Flitzer Z-21 or Staaken Flitzer is a British amateur-built aircraft, designed by Lynn Williams and produced by Flitzer Sportplanes of Aberdare, Wales. The aircraft is supplied as plans for amateur construction.〔Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 103. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X〕 In the late 1990s it was also marketed as plans and in kit form by Bell Aeromarine of Leicester, UK.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook, Fifth Edition'', page 362. BAI Communications, 15 July 1998. ISBN 0-9636409-4-1〕 ==Design and development== The Z-21 is a single-seat, open cockpit 1920s-style biplane with fixed conventional landing gear with spoked wheels and a single engine in tractor configuration.〔 The aircraft is made from wood, with its flying surfaces covered in doped aircraft fabric. Its span wing has a combined area of and ailerons on the bottom wing only. The aircraft was designed for the Volkswagen air-cooled engine, but other variants have been developed that use a variety of engines, including the Rotec R2800 radial engine.〔 Further planned developments include a tandem two seater, a four aileron version and a lighter weight version.〔 thumb 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「Flitzer Z-21」の詳細全文を読む スポンサード リンク
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