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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 Packard DR-980 ： ウィキペディア英語版 Packard DR-980 The Packard DR-980 is an American nine-cylinder air-cooled aircraft Diesel engine first certificated in 1930. The engine was unpopular despite its economy and reliability due to the unpleasant nature of its diesel exhaust fumes and considerable vibration when running; approximately 100 were built.〔Gunston 1989, p.109.〕 ==Design and development== Designed by Captain Lionel Woolson and Professor Hermann Dorner, the DR-980 made the first cross-country flight with a Diesel-powered aircraft in the United States when Woolson flew from Detroit to Langley Field in 1929, a distance of 700 miles (1,126 km) with a flight time of 6 hours and 40 minutes. On a later flight in a Stinson Detroiter from Detroit to Miami, the new engine showed its economy, the cost for fuel consumption being less than one cent a mile.〔(Aircraft Engine Historical Society - Diesels ) Retrieved: 30 January 2009〕 This aircraft (complete with its engine) is preserved at the Golden Wings Flying Museum.〔(Golden Wings Flying Museum ) Retrieved: 30 January 2009〕 In 1930, the DR-980 passed its 50-hour certification test with a continuous rating of 225 hp (168 kW) at 1,950 rpm. Production of the DR-980 ceased following the death of Captain Woolson in an aviation accident in April 1930; his legacy was the award of the Collier Trophy in 1931 to the Packard Motor Car Company for its work with this type of engine.〔(National Aeronautic Association - Collier Tropy winners ) Retrieved: 30 January 2009〕 One recognizable feature of later DR-980s was the oil cooler, a spiral of metal tubing placed around the propeller shaft. 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「Packard DR-980」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.