Pinned airfoil propeller assembly

Details Pinned airfoil propeller assembly Pinned airfoil propeller assembly

B - Operations, Transporting

64

C

244/120, 170/73

B64C 11/04 (2006.01) F01D 5/30 (2006.01) F04D 29/32 (2006.01)

Patent

CA 1335444

A propeller or fan blade is rotatably mounted to a blade retention pitch member by means of a pin radially outside of a spinner. By mounting the propeller blade for rotation about the axis of the pin, the blade response to a vibratory excitation in a first mode of vibration is modified such that the twisting motion of the blade is minimized. High speed stability of the blade is enhanced thereby. Moreover a damaged blade may be easily replaced.

607707

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