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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 Bowlus SP-1 Paperwing ： ウィキペディア英語版 Bowlus SP-1 Paperwing The Bowlus SP-1 Paperwing was an American high-wing cantilever monoplane, single-seat, glider that was designed in 1928 and completed by William Hawley Bowlus on January 1, 1929. The SP-1 was Bowlus' sixteenth glider, and was test flown at Lindbergh Field in San Diego in January, 1929.〔Fogel, Gary. 2000. ''Wind and Wings: The History of Soaring in San Diego''. Rock Reef Publishing House ISBN 0-9670339-5-0〕 Later tests were also made from hillsides near Bonita, California in April, 1929. SP-1 received identification mark "493" from the United States Department of Commerce and was one of the first licensed gliders in the United States. Many refer to the Bowlus SP-1 as the first sailplane of U.S. design and construction.〔Benbough, Richard "The Paperwing Bowlus Sailplane" ''Soaring'', May, 1982, pp. 85-90〕 ==Design and development== The SP-1 received two nicknames, the first "Old Number 16" as the sixteenth Bowlus glider, and "Paperwing" because its wing rib webs were fabricated from craft paper. The ribs of both the rudder and the elevator were also made with paper webbing.〔Bowlus, William H. "How to Build the Bowlus Sailplane" ''Modern Mechanics and Inventions for January, 1930, pp. 140-148.〕 Otherwise the aircraft was predominantly wood and doped aircraft fabric.〔Bowlus, William H. "How to Build the Bowlus Sailplane" ''Modern Mechanics and Inventions for January, 1930, pp. 140-148.〕 The aircraft originally had a span wing with a USA 35-A airfoil with conventional aileron control and landing wheels for the rough dirt surface at Lindbergh Field.〔Fogel, Gary. 2000. ''Wind and Wings: The History of Soaring in San Diego''. Rock Reef Publishing House ISBN 0-9670339-5-0〕 The wing was later redesigned to include tip-ailerons, extending the wingspan to . The aircraft achieved a very low empty weight for its size of and a matching low wing loading as well. 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「Bowlus SP-1 Paperwing」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.