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Short Triple Tractor : ウィキペディア英語版 | Short Triple Tractor
The Short S.47 Triple Tractor was one of a series of experimental twin-engined aircraft built by Short Brothers in 1912. It acquired its name because the two engines drove three tractor propellers. ==Design and development== The Triple Tractor followed the Tandem Twin and Triple Twin in the series of twin engined aircraft built by Short Brothers, the intention behind fitting two engines being to produce an aircraft capable of sustaining flight in the event of one engine failing. It was powered by a pair of Gnome Double Omega engines mounted in tandem in the extended nose of the aircraft, the front engine driving a single propeller and the other driving a pair of tractor propellers mounted at mid-gap between the wings using chains. In order to reduce the torque effect of the rotary engines they were arranged to revolve in opposite directions. The airframe of the Triple Twin was similar to the contemporary S.36, S.41 and S.45 tractor biplanes built by Shorts, being an unequal-span two-seater two-bay biplane, with the square section fuselage mounted in the gap between the upper and lower wings. The tail surfaces consisted of a rectangular rudder mounted on the sternpost of the fuselage, with a rectangular horizontal stabiliser and split elevator mounted in front of it on top of the fuselage. The crew of two were seated side-by-side behind the trailing edge of the wings.〔Barnes 1967, p.83-84〕
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「Short Triple Tractor」の詳細全文を読む
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