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Fiat AS.2
''For the aircraft of the same name, see Fiat AS.2 (aircraft)
The Fiat AS.2 was an Italian 12-cylinder, liquid-cooled V engine designed and built in the mid-1920s by Fiat Aviazione especially for the 1926 Schneider Trophy air race.〔Eves 2001, p. 214.〕
==Design and development==
Designed for the 1926 Schneider Trophy contest held at Hampton Roads, Virginia, the AS.2 was inspired by the American Curtiss D-12 engine. Unlike the D-12 the engine featured separate steel cylinders and cast aluminium alloy cylinder heads.〔Eves 2001, p. 243.〕 The starting point for the Italian engine was the earlier Fiat A.22.〔Jane's All the World's Aircraft 1938〕 The 'S' in AS stood for 'Spinto' (thrust). A weakness of the engine was its magnesium alloy pistons, a new engineering material at the time. Many pistons were holed. Despite the engine's technical problems it was successful at the Schneider Trophy event, winning on 13 November 1926, with a second AS.2 powered aircraft placing third.〔Eves 2001, p. 243.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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