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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 Drago Jovanovich ： ウィキペディア英語版 Drago Jovanovich Dragoljub Kosta "Gish" Jovanovich (January 24, 1916 – November 12, 1983) was born in Yugoslavia and lived in Philadelphia. He was an American helicopter designer. ==Piasecki and HERC== Jovanovich and Frank Kozloski founded the Helicopter Engineering Research Corporation in Philadelphia, Pennsylvania, in 1946 the predecessor of Jovair. They had previously worked for Piasecki Helicopter Corporation with Jovanovich's patented tandem rotary design having been used on the Piasecki PV-3.〔Introduction: A history of helicopter flight, J. Gordon Leishman, Principles of Helicopter Aerodynamics, Cambridge Aerospace Series, Edition 2, Cambridge University Press, 2006, ISBN 0521858607, 9780521858601〕 The first helicopter they made was the HERC JOV-3. This was first flown in 1948.〔McCulloch YH-30 MC-4C, Harold A. Skaarup, Alabama Warbird Survivors 2003: A Handbook on Where to Find Them, Writers Club Press, 2002, ISBN 0595652034, pages 98-100〕 They used Boulevard Airport (formerly William Penn Airport) as their base.〔http://www.airfields-freeman.com/PA/Airfields_PA_Philly_NE.htm〕 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「Drago Jovanovich」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.