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The twin turboprop Sud Aviation SE-116 Voltigeur of the late 1950s was a French army support aircraft capable of observation and ground attack operations. Three were built but no series production was undertaken. ==Design and development== In 1958 France was in the middle of the Algerian War and felt a need for a counter-insurgency aircraft capable of observation, photography and ground support. This official programme led to three aircraft: the SIPA S.1100, the Sud Aviation SE-116 Voltigeur and, slightly later, the Dassault Spirale.〔〔 All three were propeller driven designs with twin engines. Orinally known as the Fonceur,〔 the Voltigeur was named after the French cavalry units specialising in skirmishes. It was a low wing cantilever monoplane. All its flying surfaces were straight tapered and square tipped; the vertical tail was tall and broad. The first prototype had Wright Cyclone nine cylinder radial engines mounted ahead of the wing leading edges, with cowlings, largely above the wing, projecting beyond the trailing edge. On the second prototype the Cyclones were replaced with Turbomeca Bastan turboprops in much more slender cowlings on the top of the wings. The Voltigeur had tricycle gear with main legs that retracted backwards into under-engine cowlings; the nose wheel retracted into the fuselage.〔 Each main leg carried a pair of wheels to assist with take-offs and landings on rough strips.〔 The Voltigeur had a conventional, multi-panel, glazed cabin and a glazed nose offering good ground views.〔 Behind the wing trailing edge the fuselage carried perforated airbrakes〔 for ground attacks; the Voltigeur was fitted with two guns and six underwing attachment points for bombs and rockets.〔 The piston-engined Voltigeur was first flown on 5 June 1958 by Roger Carpentier who also took the turboprop version on its first flight on 15 December 1958. Soon after, Carpentier, Yves Crouzet and Marcel Hochet were killed when tail flutter developed in a high speed run. After tests of the SE-117 first pre-production machine, conducted in collaboration with Marcel Dassault, the Voltigeur programme was abandoned along with a projected fast transport, the SE-118 Diplomate.〔 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「Sud Aviation SE-116 Voltigeur」の詳細全文を読む スポンサード リンク
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