Symmetrical propeller

Details Symmetrical propeller Symmetrical propeller

B - Operations, Transporting

63

H

115/23

B63H 1/14 (2006.01) F01N 13/12 (2010.01) B63H 1/26 (2006.01) B63H 21/32 (2006.01) F02B 61/04 (2006.01)

Patent

CA 1136928

Symmetrical Propeller Abstract A propeller having an exhaust discharge passage through the propeller hub has blades symmetrical in thickness about the nose-tail pitch line and symmetrical in plan form about a rake line. The propeller is particularly effective to increase reverse thrust when used with an outboard drive unit having exhaust gas relief passages.

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