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Trailing-edge flaps Aug 01, 2017

The trailing edge flaps are movable wing surfaces mounted on the trailing edge of the wing, usually clinging to the lower surface of the wing. When used, the flaps along the lower wing of the slide back, while the lower side. The common four flaps are: simple flaps, split flaps, slotted flaps, and receding flaps.

The use of fuller flaps (that is, back flaps) can increase the curvature of the wing profile, and can greatly increase the wing area, increase the effect is very obvious, lift coefficient can improve $number, individual large area of the flap of the lift coefficient can be improved 110%~140%. The structure of this flap is more complex, and it is used on large and medium sized aircraft, which can greatly improve take-off and landing performance.