Liddle, Stephen Red Bull Technology Ltd., Tilbrook, Milton Keynes, United Kingdom.
- General principles
- Flutter prevention
- Flight maneuvers
- Special applications
- Additional Readings
The hinged rear portion of the longitudinal stabilizing surface or tail plane of an aircraft, used to obtain longitudinal- or pitch-control moments. The angular setting of the elevator is controlled by the human or automatic pilot through the flight-control system. A typical elevator control surface is shown in Fig. 1. Both leading-edge and horn-type aerodynamic balances and trailing-edge tabs are illustrated. These features reduce or eliminate the hinge moments required to deflect the elevator during flight. The tab is used to fix the position of the elevator in order to establish a trimmed state, with the pilot's stick free. See also: Flight controls
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