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Aircraft flight control surfaces allow a pilot to adjust and control the aircraft's flight attitude. Development of an effective set of flight controls was a critical advance in the development of aircraft. Early efforts at fixed-wing aircraft design succeeded in generating sufficient lift to get the aircraft off the ground, but once aloft, the aircraft proved uncontrollable, often with disastrous results. The development of effective flight controls is what allowed stable flight. This article describes the control surfaces used on a fixed-wing aircraft of conventional design. Other fixed-wing aircraft configurations may use different control surfaces but the basic principles remain. The controls (stick and rudder) for rotary wing aircraft (helicopter or autogyro) accomplish the same motions about the three axes of rotation, but manipulate the rotating flight controls (main rotor disk and tail rotor disk) in a completely different manner. ==Development == The Wright brothers are credited with developing the first practical control surfaces. It is a main part of their patent on flying.〔Patents * — ''Flying machine'' — O. & W. Wright * (U.S. Patent 821,393 )—for those who do not have USPTO graphics plugin〕 Unlike modern control surfaces, they used wing warping.〔 *(Centennial of flight ) - illustration of Wilbur Wright invention of wing warping using a cardboard box〕 In an attempt to circumvent the Wright patent, Glenn Curtiss made hinged control surfaces. Hinged control surfaces have the advantage of not causing stresses that are a problem of wing warping and are easier to build into structures. 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「Flight control surfaces」の詳細全文を読む スポンサード リンク
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