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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 History of hang gliding ： ウィキペディア英語版 History of hang gliding Hang gliding is an air sport employing a foot-launchable aircraft known as a hang glider. Typically, a hang glider is constructed of an aluminium alloy or composite-framed fabric wing. The pilot is ensconced in a harness suspended from the airframe, and exercises control by shifting body weight in opposition to a control frame. == Overview == Early hang glider designs did not reliably achieve safe flight, their builders lacking a comprehensive understanding of the underlying principles of flight. The first recorded ''controlled'' flights were by German engineer Otto Lilienthal, whose research, published in 1889, strongly influenced later designers.〔(Flying-Machine, Otto Lilienthal's patent ). Google.com. Retrieved November 29, 2011.〕 The type of aircraft employed by Lilienthal is now referred to as a hang glider. Further hang glider research was undertaken during the 1920s in Europe, Australia and the U.S.A, where designers tested several wing concepts and the 'pendulum weight-shift control system'. In 1957 the American space agency NASA began testing various formats of a new wing called the Rogallo wing with the intent of possibly implementing the design as a recovery system for the Gemini space capsules. The wing's simplicity of design and ease of construction, in combination with its slow flight characteristics, did not go unnoticed by hang glider enthusiasts; Rogallo's flexible wing airfoil was soon adapted to the purpose of recreational flight, launching a hang glider Renaissance.〔''Low & Slow'' magazine produced by Joe Faust (1971) was the most powerful publicity tool during the early years. He followed ''Low & Slow'' with ''Hang Glider Weekly'' to reach 23 nations through 1981 with 216 editions. Joe's publications were written by a staff of scores of correspondents worldwide. A monthly publication, ''Ground Skimmer'' was started in May 1972 as a newsletter for club members in California. It soon grew to be a comprehensive magazine, recording the history of the hang gliding movement as it happened. By the end of 1973, the organization had become truly national in scope and in November 1976, the name of the magazine was changed to ''Hang Gliding''. ''Glider Rider'' also appeared. In 2002, ''Hang Gliding'' and ''Paragliding'' magazines were combined and the resulting magazine was named ''Hang Gliding & Paragliding'' magazine.〕 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「History of hang gliding」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.