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__NOTOC__ The Antonov A-2 and related designs were a family of two-seat training gliders produced in the Soviet Union in the 1930s and 40s, all derived from the single-seat Antonov A-1 family.〔Sheremetev 1959, 44〕 They were produced in large numbers, with at least 2,300 built by 1937, and together with the single-seaters, production exceeded 7,600 by the same year.〔Krasil'shchikov 1991, 143〕 Like the A-1, the A-2 was a minimalist primary glider, with a conventional tail mounted on a boom and a strut-braced monoplane wing mounted parasol-fashion. However, while the single-seat primary gliders featured wings of constant chord, the two-seaters used the longer-span, tapered wings that had been developed for the soaring versions of the single-seat family (P-s1 and P-s2).〔Sheremetev 1959, 45〕 The other major difference was the design of the cockpit gondola. The single-seaters had featured an aerodynamic fairing that slid on and off to provide access to the pilot's seat.〔Sheremetev 1959, 40〕 The two seaters, however, had a permanently fixed cockpit pod that seated the pilot and instructor in tandem, open cockpits, each with a small windscreen The rear cockpit was located directly beneath the wing and was accessed via a door on the portside of the gondola.〔 Apart from the change in gondola, all other components remained interchangeable with the Ps-2〔Shushurin 1938, 67〕 ==Variants== In each case, the "s" stands for ''serii'' (серии – "series") ''Uchebnyi'' (Учебный – "Trainer") * U-s5 (У-с5) * U-s6 (У-с6) 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「Antonov A-2」の詳細全文を読む スポンサード リンク
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