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The A-8 was a low-wing monoplane ground-attack aircraft built by the United States company Curtiss, designed in response to a 1929 United States Army Air Corps requirement for an attack aircraft to replace the A-3 Falcon. The Model 59 "Shrike" was designated XA-8 (the "Shrike" nickname was not officially adopted). ==Development== The XA-8 won a competition against the General Aviation/Fokker XA-7, after which 13 service test aircraft were ordered (five as YA-8s and eight as Y1A-8s). After the completion of testing, 11 of these aircraft were redesignated A-8. The A-8 was the first Curtiss machine of all-metal low-wing monoplane configuration with advanced features such as automatic leading edge slats and trailing-edge flaps.〔"The Complete Encyclopedia of World Aircraft" Editors: Paul Eden & Soph Moeng, (Amber Books Ltd. Bradley's Close, 74-77 White Lion Street, London, NI 9PF, 2002, ISBN 0-7607-3432-1), 1152 pp.〕 Four forward-firing .30 in (7.62 mm) machine guns were mounted in the wheel fairings, and an additional weapon of the same calibre was fitted in the observer's cockpit for rear defense. The standard bomb load was four 100 lb (45 kg) bombs.〔"United States Military Aircraft Since 1909" by F. G. Swanborough & Peter M. Bowers (Putnam New York, ISBN 0-85177-816-X) 1964, 596 pp.〕 One YA-8 was fitted with a radial engine and designated YA-10, while another was used for testing of the Curtiss V-1570 Conqueror engine as the Y1A-8A. This aircraft was redesignated A-8 upon the completion of testing. 46 aircraft were ordered as A-8Bs, however the order was changed to the Model 60 A-12s before production began. 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「Curtiss A-8」の詳細全文を読む スポンサード リンク
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