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Hurel-Dubois HD.31 : ウィキペディア英語版 | Hurel-Dubois HD.31 __NOTOC__
The Hurel-Dubois HD.31, HD.32, and HD.34 were a family of civil aircraft produced in France in the 1950s, based on Maurice Hurel's high aspect ratio wing designs. ==Design and construction== Tests with the Hurel-Dubois HD.10 research aircraft had validated Hurel's ideas about the practicality of such wings, and the French government agreed to sponsor the construction of two prototypes of a medium-range airliner utilising this same principle. These aircraft, the HD.31 and HD.32 were conventional designs in all respects other than their unorthodox wings, and differed from one another only in their powerplants, although both were later converted to use the same engines. The twin-tails originally fitted were also later replaced by a large single tail fin assisted by smaller auxiliary fins. With their new engines and tails, they were redesignated HD.321.01 and HD.321.02. Apart from the HD.34 survey aircraft, all had fixed, faired tricycle undercarriages.
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「Hurel-Dubois HD.31」の詳細全文を読む
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