Measuring and testing – Center of gravity; turning moment; metacentric height
Patent
1978-12-06
1980-07-15
Ruehl, Charles A.
Measuring and testing
Center of gravity; turning moment; metacentric height
73579, 273 77A, G01M 110
Patent
active
042121930
ABSTRACT:
Apparatus and method of measuring moment of inertia of golf clubs and like objects, about an axis remote from the center of gravity, in which object to be tested is mounted in the apparatus so that said axis is vertical and object is oscillated about said axis in a horizontal plane. Low cost electronic means are used to measure period of oscillation and to compute and display the moment of inertia of said object about said axis.
REFERENCES:
patent: 2349736 (1944-05-01), Knobel et al.
patent: 3395571 (1968-08-01), Murdoch
patent: 3473370 (1969-10-01), Marciniak
patent: 3926271 (1975-12-01), Patashnick
patent: 4070022 (1978-01-01), Braly
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