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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 Triumph sprung hub ： ウィキペディア英語版 Triumph sprung hub The Triumph sprung hub is a motorcycle suspension unit contained within a rear wheel hub. It was designed by Triumph engineer Edward Turner to give Triumph's existing rigid frames the option of rear suspension. It was one of the first motorcycle components to have a safety warning cast into its housing. ==Design and development== Edward Turner designed Triumph's sprung hub in 1938. The design was inspired by Dowty hubs with suspension within them, as used in the fixed landing gear of Gloster Gladiator fighter aircraft.〔 Turner's design used a plunger-type suspension made small enough to fit inside the wheel hub.〔 With one spring above the rear axle and two below,〔〔 the sprung hub provided about two inches of vertical travel〔〔 and weighed more than a conventional hub. It was designed to allow rear suspension to be offered optionally without altering Triumph's existing frames.〔 The sprung hub did not provide a drive gear for the speedometer, so the design of the transmission was revised to provide the required drive gear.〔 Frank Baker, the head of the Experimental Department at Triumph, tried to convince Turner that the handling of Triumph motorcycles at the time the sprung hub was available was potentially dangerous at speed, to the point of having himself filmed while riding one of them on a test track at speed. Turner ignored Baker's efforts and continued with the sprung hub.〔 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「Triumph sprung hub」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.