Skin friction measuring device for aircraft

Details Skin friction measuring device for aircraft Skin friction measuring device for aircraft

1979-08-07

1980-12-23

Woodiel, Donald O.

Measuring and testing

Navigation

Take-off and landing monitors

73147, G01C 2100

Patent

active

042402905

ABSTRACT:
A skin friction measuring device for measuring the resistance of an aerodynamic surface to an airstream, adapted to be mounted on an aircraft, within an opening defined therein, and characterized by a friction plate adapted to be disposed in a flush relationship with the external surface of the aircraft and be displaced in response to skin-friction drag, as an airstream is caused to flow over the surface thereof, and a potentiometer connected to the plate for providing an electrical output indicative of the magnitude of the drag.

REFERENCES:
patent: 2935870 (1960-05-01), Lyons, Jr.
patent: 3304775 (1967-02-01), Kistler
patent: 3383914 (1968-05-01), MacArthur
patent: 3460383 (1969-08-01), Padera
patent: 3714824 (1973-02-01), Bush
patent: 4112752 (1978-09-01), Hafner et al.

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