Propeller balancing method and apparatus

Details Propeller balancing method and apparatus Propeller balancing method and apparatus

1995-08-08

1998-08-11

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft propulsion

Screw

29901, 29406, 416500, B64C 1120

Patent

active

057915954

ABSTRACT:
A propeller balancing method and apparatus provides relocation of the propeller's center mounting hole to the propeller's center of mass. The method uses a conventional balance stand, by first attaching a balanced drill guide fixture to the hub of the propeller in such a way that the drill guide fixture can be moved slightly relative to the propeller hub to achieve balance and define a new center for the propeller. Once balance is achieved, the fixture and propeller assembly is removed from the balance stand. Then, a new oversize hole can be drilled in the propeller hub through the drill guide, and an appropriate (concentric) bushing installed.

REFERENCES:
patent: 1428620 (1922-09-01), Wilber
patent: 2140398 (1938-12-01), Buckingham
patent: 2315998 (1943-04-01), Haeger
patent: 3307251 (1967-03-01), Magyar

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