Aircraft wing trailing edge composite flap - has leading edge of sharp curvature and pivoted straight trailing edge

摘要

The profiled extendable flap consists of at least two relatively moving sections for changing the flap configuration. The flap geometry is designed so that the air flow is not separated from the flap upper face even if the flap angle of attitude is very large. The trailing edge profile (22) of the first, forward component (6) of the flap moves in a slot (23) of the rear component (7). The curvature of the composite flap, which has relatively small radii of curvature at the leading edge, becomes straighter towards the trailing edge. The rear component is pivoted with a radius (R) which is larger than the radius (r) of the leading edge curvature.