High speed aircraft wing with extending leading edge flap - is housed behind double hinged strip with high speed nose profile when retracted

摘要

The high speed aircraft wing with an extending leading edge flap has that flap (2) when retracted fitting into the curved back (6) of a strip (3) constituting the wing leading edge with its high speed profile (7). This strip has a transverse hinge (5) at the back, connecting it to a flat panel (4) running its full length and in turn hinged (8) to the underside of the wing. This arrangement permits the strip to be tilted/lowered not only for extending or housing the flap but also, with the flap extended or housed, to improve the wing lift characteristic.