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The system of a fixed tail surface and moveable elevators is standard in subsonic aircraft. For craft capable of supersonic flight often have an slab (all-moving) tail surface. Pitch is changed here by moving the entire horizontal surface of the tail. This system is used becaouse in supersonic flight the change in camber has less effect on lift and a slab surface produces less drag. |
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The system of a fixed tail surface and moveable elevators is standard in subsonic aircraft. Craft capable of supersonic flight often have an slab (all-moving) tail surface. Pitch is changed here by moving the entire horizontal surface of the tail. This system is used becaouse in supersonic flight the change in camber has less effect on lift and a slab surface produces less drag. |
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See also Aerodynamics. |
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