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(詳細はWikipedia:WikiProject Aircraft. Please see Wikipedia:WikiProject Aircraft/page content for recommended layout. --> The Aeronca Model 7 Champion, more commonly known as the Champ, is a single-engine, two-seat, fixed conventional landing gear airplane. Designed for flight training and personal use, it entered production in the United States in 1945. To take advantage of the new light-sport aircraft category, the Champion was returned to production in 2007.〔Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 24. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X〕 ==Design and development== Like the Piper Cub with which it competed, the Champ features tandem seating. While the J-3 model of the Cub is flown solo from the rear seat, the Champ is soloed from the front, giving improved forward visibility on the ground and during takeoffs, landings, and climbs. The Champ has a wider cabin than the Cub and offers better visibility. As with many light aircraft of the time, the Champ’s fuselage and tail surfaces are constructed of welded metal tubing. The outer shape of the fuselage is created by a combination of wooden formers and longerons, covered with fabric. The cross-section of the metal fuselage truss is triangular, a design feature which can be traced all the way back to the earliest Aeronca C-2 design of the late 1920s. The strut-braced wings of the Champ are, like the fuselage and tail surfaces, fabric covered, utilizing aluminum ribs. Most Champs were built with wooden spars. American Champion has been using aluminum spars in the aircraft it has produced and has, as well, made the aluminum-spar wings available for retrofit installation on older aircraft. The landing gear of most Champs is in a conventional arrangement, though a model with tricycle gear was produced, and a model with reversed tricycle gear was tried. Conventional-gear Champs feature a steerable tailwheel and most have steel tube main gear which use an oleo strut for shock absorption; one variant utilized sprung-steel main gear, and American Champion is using aluminum gear legs in its production model of the Champ. The tricycle-gear Champs use the steel tube and oleo strut main gear, mating these with an oleo strut nose gear. Models 7AC, 7CCM, 7DC, and 7EC were approved as seaplanes, with the addition of floats and vertical stabilizer fins; the seaplane versions were designated the S7AC, S7CCM, S7DC, and S7EC, respectively. Float and supplemental fin installations are also approved for models 7ECA, 7GC, 7GCB, 7GCBC, and properly modified 7HC's. 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「Aeronca Champion」の詳細全文を読む スポンサード リンク
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