Airfoil balancer

Details Airfoil balancer Airfoil balancer

1988-11-30

1991-02-12

Chapman, John

Measuring and testing

Rotor unbalance

Propeller, impeller, or fluid coupling

269254CS, G01M 102

Patent

active

049914375

ABSTRACT:
The invention is a method and device for precisely balancing the mass and center of gravity of airfoils, one pair at a time. Airfoils are clamped between grooved clamps having a central pin, and their tip-to-tip and root-to-root moments are balanced. Thus the mass and center of gravity are made equal. Reference positions, equally offset from the central pin, are provided to allow enhanced sensitivity when balancing airfoils of particularly small mass.

REFERENCES:
patent: Re26047 (1966-06-01), Freeman
patent: 823012 (1906-06-01), Westlake
patent: 2028254 (1936-01-01), Squires
patent: 3826483 (1974-07-01), Siegel

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