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The CGS Hawk is a family of high wing, strut-braced, pusher configuration, single and two-seats-in-tandem ultralight aircraft, designed by Chuck Slusarczyk and manufactured by CGS Aviation.〔Purdy, Don: ''AeroCrafter - Homebuilt Aircraft Sourcebook'', page 132-133. BAI Communications. ISBN 0-9636409-4-1〕〔Downey, Julia: ''2008 Kit Aircraft Directory'', Kitplanes, Volume 24, Number 12, December 2007, page 45-46. Primedia Publications. ISSN 0891-1851〕〔Kitplanes Staff: ''1999 Kit Aircraft Directory'', Kitplanes, Volume 15, Number 12, December 1998, page 42-43. Primedia Publications. IPM 0462012〕〔Cliche, Andre: ''Ultralight Aircraft Shopper's Guide'' 8th Edition, page B-28 & B-82 Cybair Limited Publishing, 2001. ISBN 0-9680628-1-4〕〔Vandermeullen, Richard: ''2011 Kit Aircraft Buyer's Guide'', Kitplanes, Volume 28, Number 12, December 2011, page 45. Belvoir Publications. ISSN 0891-1851〕〔Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 34. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X〕 ==Development== Designer Chuck Slusarczyk established himself as a hang glider designer in the early 1970s, including producing engine power units for hang gliders. In October 1979, his company, Chuck's Glider Supplies was renamed CGS Aviation. In 1980 Slusarczyk surveyed pilots at Sun 'n Fun and AirVenture to find out what they wanted in a new ultralight aircraft design. The survey revealed pilots were looking for:〔 *an enclosed cockpit with removable doors *three axis controls *flaps and not flaperons *struts in place of cable-bracing *the choice of tricycle gear, with a steerable nose wheel or conventional landing gear, with a steerable tail wheel *pusher configuration When the resulting Hawk first flew in January 1982 it was the first ultralight aircraft with an enclosed cockpit and to use strut bracing. The aircraft was intended to meet the requirements of the US FAR 103 ''Ultralight Vehicles'' category, including that category's maximum empty weight.〔〔〔 The Hawk wing is strut-braced, constructed from aluminum tubing and covered with either pre-sewn Dacron envelopes or doped aircraft fabric. The wing also features flaps. The fuselage is of similar construction and uses a curved boom tube for its main structural member. The curved tube allows the tail to be located higher, out of the wing's downwash, especially when the flaps are extended. Landing gear for all models is optionally tricycle or conventional.〔 The Hawks are available as aircraft kits, quick-build kits, or completed aircraft.〔 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「CGS Hawk」の詳細全文を読む スポンサード リンク
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