Apparatus for measurement of sliding friction using gyroscopic m

Details Apparatus for measurement of sliding friction using gyroscopic m Apparatus for measurement of sliding friction using gyroscopic m

1983-05-20

1985-02-12

Swisher, S. Clement

Measuring and testing

Frictional resistance, coefficient or characteristics

G01N 1902

Patent

active

044983298

ABSTRACT:
A sphere with a hole through one diameter is held in a spherical chamber hin a tube. The axis of the tube and the hole through the sphere are out of alignment by some predetermined angle, .theta.. The sphere is held within the chamber and the entire unit is caused to spin. The sphere is released while the unit is still spinning. The gyroscopic nutation of the sphere causes the spherical bore to traverse the angle .theta. and align with the tubular bore in a time dependent upon the sliding friction between the material of the sphere and the material of the spherical chamber.

REFERENCES:
patent: 2398156 (1946-04-01), Puterbaugh et al.
patent: 3194051 (1965-07-01), Schnoll
patent: 3511079 (1970-05-01), Musser

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