Airfoil with fixed and variable upper camber portions

Details Airfoil with fixed and variable upper camber portions Airfoil with fixed and variable upper camber portions

1987-07-29

1990-01-02

Basinger, Sherman D.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244201, B64C 348

Patent

active

048908037

ABSTRACT:
An airfoil having improved aerodynamic characteristics has a leading edge and a trailing edge longitudinally spaced therefrom. A continuous lower surface of the air foil forms a lower camber extending from the leading edge to the trailing edge. The upper surface of the air foil has a first fixed upper surface extending rearwardly from the leading edge and terminating in an offset and a second upper surface extends rearwardly therefrom and is movable from a first position defining a first upper camber portion of the airfoil to a second position defining a second upper camber portion thereof.

REFERENCES:
patent: 1194878 (1916-08-01), Roessler
patent: 1918897 (1933-07-01), Colburn
patent: 4606519 (1986-08-01), Fertis

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