Pitch control trimming system for canard design aircraft

Details Pitch control trimming system for canard design aircraft Pitch control trimming system for canard design aircraft

1990-03-28

1991-06-04

Barefoot, Galen

Aeronautics and astronautics

Aircraft control

Stabilizing weights

244 45A, 244 54, 244 75R, 244203, B64C 1700

Patent

active

050207407

ABSTRACT:
A pitch control trimming system for a canard design aircraft has the ability to reposition the center of gravity of the aircraft along the longitudinal axis. The design permits trimming of the aircraft without external trim tabs and permits flaps to be used on a canard design aircraft without a nose down or negative pitching moment occurring. The aircraft has a substantial mass associated with the aircraft preferably the power plant including engine and propeller, which is movable substantially along the longitudinal axis of the aircraft, and includes an actuator to move the mass forward and aft on the longitudinal axis to reposition the center of gravity of the aircraft.

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patent: 4848700 (1989-07-01), Lockheed
patent: 4899954 (1990-02-01), Pruszenski
Letter: Comments on Canards-David B. Thurston, Kitplanes, Jul. 1987 Issue, p. 2.

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