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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 Phase lag (rotorcraft) ： ウィキペディア英語版 Phase lag (rotorcraft) (詳細はaerodynamics of rotorcraft such as helicopters, phase lag refers to the angular difference between the point at which a control input to a rotor blade occurs and the point of maximum displacement of the blade in response to that control input, said displacement occurring in the direction of rotor rotation. ''Phase lag'' differs from ''advance angle'' in that the latter refers to the mechanically fixed angle between the pitch link attachments at the blade and swashplate. ''Phase lag'' can vary as a function on rotor tilt rate and aerodynamic damping and results in ''cross-coupling'' between the aircraft control axes; ''advance angle'' is fixed and cannot vary. As a consequence of the phase lag, to turn the rotorcraft to the left or right would theoretically require a forward or backward cyclic if there was no mechanical correction. The rotor control system is mechanically shifted up to 90 degrees to compensate for phase lag and provide helicopter response that matches movement of the cyclic stick. ==See also== *Transverse flow effect *Helicopter rotor 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「Phase lag (rotorcraft)」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.