Model aircraft incidence gauge

Details Model aircraft incidence gauge Model aircraft incidence gauge

1975-07-03

1976-11-02

Queisser, Richard C.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33391, 73147, G01C 912, G01M 900

Patent

active

039888398

ABSTRACT:
A gauge for measuring the angle of attack, or incidence of a wing or horizontal stabilizer-elevator on a model aircraft is described. The gauge comprises an L-shaped angle beam having a gravity-type angular indicator mounted on its shorter arm. Slidably mounted on the longer arm is a trailing edge reference block having a notch facing inwardly toward a similar notch in the shorter arm of the angle beam. In measuring the angle of incidence the model aircraft is stabilized in one position and the notch in the shorter arm of the angle beam is placed against the leading edge of the wing and the trailing edge reference block is slid forward along the longer arm of the angle beam until the notch in the reference block is secured against the trailing edge of the wing. The relative incidence of the wing may then be read from the indicator.

REFERENCES:
patent: 2016275 (1935-10-01), Carroll
patent: 2348095 (1944-05-01), Roby
patent: 2968873 (1961-01-01), Holderer
patent: 3380170 (1968-04-01), Read
patent: 3803721 (1974-04-01), Matsui

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