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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 Armstrong Whitworth Ara ： ウィキペディア英語版 Armstrong Whitworth Ara The Armstrong Whitworth Ara was an unsuccessful British single-seat biplane fighter aircraft of the First World War built by Armstrong Whitworth. ==Design and development== In early 1918, the British Air Ministry wrote RAF Specification Type 1 for a single-seat fighter to replace the Sopwith Snipe. The specified engine was the ABC Dragonfly, a new radial engine which had been ordered into production based on promised performance before any testing had been carried out. To meet this specification, Armstrong Whitworth's chief designer, Fred Murphy, produced the Armstrong Whitworth Ara, three prototypes being ordered.〔Bruce 1965, p.20.〕 The Ara was a two-bay biplane. It had a square fuselage, the engine was covered in a pointed cowling, but with the cylinder heads exposed. The upper wing was low to give the pilot a better upwards view.〔Taylor 1990, p.48.〕 As with the other fighters built to meet the Type 1 specification, the Dragonfly engine proved to be the Ara's undoing, demonstrating hopeless reliability. Two of the three prototypes were completed, the first flying in mid-1919. The Ara was abandoned towards the end of the year when Armstrong Whitworth closed down its aircraft department.〔Mason 1992, p.148.〕〔Note: Armstrong Whitworth purchased the engineering company Siddeley-Deasy in 1920, splitting off its aircraft department to form the Sir W. G. Armstrong Whitworth Aircraft Company.〕 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「Armstrong Whitworth Ara」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.