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Sud-Est Grognard
The SNCASE Grognard was designed as a single-seat, low-level ground-attack aircraft. Although in development in the 1950s for the French ''Armée de l'Air'', the program was cancelled in favor of the Sud-Ouest Vautour II.〔Winchester 2005, p. 302.〕
==Design and development==
An ''Armée de l'Air'' specification for a ground-attack aircraft drawn up in 1948 was intended to spur the French aviation industry to produce a jet-powered design. Sud-Est entered the competition with a development of the earlier SE.2400 attack aircraft, after testing a model in the ''ONERA'' (Meudon-Chalais) wind tunnel. The design featured an unusual 47˚ swept wing design along with two "stacked" Nene jet engines fed by a single dorsal inlet in a compact, bulbous fuselage.〔Jackson 2005, p. 105.〕 The cockpit was awkwardly situated at the extreme end of the nose; the whole arrangement soon acquiring the derisive nickname: "Hunchback".〔
The official name SE.2410 ''Grognard'' (French: Grumbler) was derived from the nickname for a soldier of Napoleon's Old Guard. Problems encountered in test flights led to a number of modifications to the tail unit and ailerons.〔Winchester 2005, p. 303.〕 Development continued with Sud-Est building two prototypes with a further refinement that led to the SE.2415, identified as the ''Grognard'' II, a two-seat development that included a "stretched" fuselage incorporating a raised cockpit with a bubble canopy and reduced 32˚ wing sweep back.〔Jackson 2005, p. 106.〕 Following initial testing, two boundary layer fences were installed on the outer wings of the SE.2415; underwing spoilers were also tested.
Although neither prototype was initially armed, the planned armament array included two DEFA 30mm cannon as well as bombs and rockets.〔("SE.2410 Grognard." ) ''avionslegendaires.net''. Retrieved: 24 May 2010.〕
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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