Reconfigurable airfoil

Details Reconfigurable airfoil Reconfigurable airfoil

1989-08-30

1991-04-02

Barefoot, Galen

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

B64C 344

Patent

active

050041894

ABSTRACT:
An airfoil having a device for changing the spacing between the airfoil's surface panels, thus to change the aerodynamic property of the airfoil. Considering the airfoil as in the case of the airfoil being a part of an airplane wing, the airfoil carries a flap panel along the wing's front edge, the flap panel being movably interconnected to the airfoil's lower panel, and is slidable along the airfoil's upper panel as the panel-spacing is changed, providing an effectively air-sealed relationship of the panels; and that controlled adjustability is provided by a control shaft which, by gearing of both upper panel's movable support means and of the flap panel support means, thus achieving their co-ordinated movement to change the airfoil shape.

REFERENCES:
patent: 1791146 (1931-02-01), Rocheville
patent: 1848368 (1932-03-01), McMaster
patent: 2223335 (1940-11-01), Stewart
patent: 2288750 (1942-07-01), Seeman
patent: 2349858 (1944-05-01), Gillmor
patent: 4706913 (1987-11-01), Cole

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