Variable effectiveness stabilizing/controlling surface

Details Variable effectiveness stabilizing/controlling surface Variable effectiveness stabilizing/controlling surface

1975-06-16

1976-10-19

Kunin, Stephen G.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 43, 244113, B64C 348

Patent

active

039866882

ABSTRACT:
A wedge-shaped, high speed airfoil having a variable geometry configuration consisting of separate, upper and lower airfoil surfaces individually and/or collectively adjustable between inner, retracted and outer, extended positions to vary the amount of airfoil surface area exposed to the free stream flow to that required for effective aircraft stabilization and/or control at selected Mach numbers while minimizing the drag and aerodynamic heating normally resulting therefrom.

REFERENCES:
patent: 1854444 (1932-04-01), Barnhart
patent: 1880019 (1932-09-01), Harper
patent: 2223335 (1940-11-01), Stewart
patent: 2384933 (1945-09-01), Lee
patent: 2837300 (1958-06-01), Sullivan
patent: 3067971 (1962-12-01), Dew
"A Primer of Sonic Aerodynamics," Aviation Week, R. McLarren, pp. 21,22,24, Aug. 16, 1948.
NACA Tech Note 1179, "Notes on the Theoretical Characteristics of Two-dimensional Supersonic Airfoils," Jan. 1947.

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