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DFS 346
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DFS 346 : ウィキペディア英語版
DFS 346

The DFS 346 (''Samolyot 346'') was a German rocket-powered swept-wing vehicle subsequently completed and flown (with indifferent success) in the Soviet Union after World War II. It was designed by Felix Kracht at the ''Deutsche Forschungsanstalt für Segelflug'' (DFS), the "German Institute for Sailplane Flight". The prototype was still unfinished by the end of the war and was taken to the Soviet Union where it was rebuilt, tested and flown.
==Design==
The DFS-346 was a midwing design of all-metal construction. The front fuselage of the 346 was a rotation body based on the NACA-Profile 0012-0,66-50. The middle part was cylindrical and narrowed to the square in the back. Probably for capacity and weight reasons the DFS-346 was equipped with landing skids, both in the original German design and in the later Soviet prototypes; this caused trouble several times.
The wings had a 45° swept NACA 0012-0,55-1,25 profile of 12% thickness. The continuously varying profile shape caused a stall in certain flight conditions, which caused complete loss of control. This was later corrected by use of fences on the top of the wings.

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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