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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Verville-Sperry R-3 Racer ： ウィキペディア英語版 Verville-Sperry R-3 Racer __NOTOC__ The Verville-Sperry R-3 Racer was a cantilever wing monoplane with a streamlined fuselage and the second aircraft with fully retractable landing gear, the first being the Dayton-Wright Racer.〔U.S. Centennial of Flight Commission. ("Retractable Landing Gear." ) Retrieved on November 25, 2009.〕 In 1961, the R-3 racer was identified as one of the "Twelve Most Significant Aircraft of all Time" by ''Popular Mechanics'' magazine. In 1924, an R-3 won the Pulitzer Trophy in Dayton, OH. ==Design and development== The R-3 was designed by Alfred Verville. Its first production was in 1922. The R-3 was developed by the McCook Field Engineering Division and manufactured by the Lawrence Sperry Aircraft Company of Farmingdale, New York. Three aircraft were purchased. The airplanes used cylindrical, finned Lamblin radiators and a Wright H-3 engine. The R-3s bore Air Service serial numbers 22-326 to 22-328. 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「Verville-Sperry R-3 Racer」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.