Aircraft performance data qualifier

Details Aircraft performance data qualifier Aircraft performance data qualifier

1978-04-20

1979-07-17

Barefoot, Galen L.

Aeronautics and astronautics

Miscellaneous

33384, 33374, 73180, B64D 4300

Patent

active

041612990

ABSTRACT:
A method and apparatus to obtain performance data for maximum cruise economy on any particular aircraft by means of a device comprising three thin round flat disc concentrically mounted to one another. Various aircraft performance scales are imprinted upon the rotatable discs and there is provided an indicating pointer which may be set in a level position based upon the readings of the calibrated scales and based upon the throttle setting of the aircraft while in flight to give maximum cruise economy.

REFERENCES:
patent: 479803 (1892-08-01), Haise
patent: 2112704 (1938-03-01), Mackay
patent: 2993281 (1961-07-01), Dock
patent: 3393561 (1968-07-01), Lode

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