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The Pratt & Whitney R-1340 Wasp was an aircraft engine of the reciprocating type that was widely used in American aircraft from the 1920s onward. It was the Pratt & Whitney aircraft company's first engine, and the first of the famed Wasp series.〔Gunston 1989, p.114.〕 It was a single-row, nine-cylinder, air-cooled, radial design, and displaced 1,344 cubic inches (22 L); bore and stroke were both 5.75 in (146 mm). A total of 34,966 engines were produced.〔(Pratt&Whitney R-1340 page ) Retrieved: 25 October 2008〕 As well as numerous types of fixed-wing aircraft, it was used to power helicopters, the Agusta-Bell AB.102 and the Sikorsky H-19, and a class of airship, the K-class blimp. ==Variants== ''Note:'' R for Radial and 1340 for 1340 cubic inch displacement. ;R-1340-7: , ;R-1340-8: ;R-1340-9: , ;R-1340-16: ;R-1340-17: ;R-1340-19: ;R-1340-19F: ;R-1340-21G: ;R-1340-22: ;R-1340-23: ;R-1340-30: ;R-1340-31: ;R-1340-33: ;R-1340-48: ;R-1340-49: ;R-1340-AN1: , ;R-1340-AN2: , 3:2 geared prop shaft ;R-1340-B: ;R-1340-D: ;R-1340-S1D1: ;R-1340-S1H1-G:, ;R-1340-S3H1: ;R-1340-T1D1: 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「Pratt & Whitney R-1340 Wasp」の詳細全文を読む スポンサード リンク
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