Marine propulsion device including propeller protection means

Details Marine propulsion device including propeller protection means Marine propulsion device including propeller protection means

B - Operations, Transporting

63

H

115/30

B63H 21/26 (1980.01)

Patent

CA 1095338

ABSTRACT OF THE DISCLOSURE Disclosed herein is a marine propulsion device including a lower unit having a gear case, a laterally extending anti-cavitation plate extending above a pro- peller carried on a propeller shaft rotatably mounted in the gear case, and a pair of generally flat side fins, each of which has a laterally extending trailing edge located wholly forwardly of the propeller and which either extend laterally in coplanar relationship from the opposite sides of the gear case, extend laterally in coplanar relationship from the opposite sides of the lower unit at a location between the anti-cavitation plate and the gear case, extend outwardly and downwardly in an angular relationship from the opposite sides of the gear case, or extend laterally in coplanar relation- ship from the opposite sides of the lower end portion of a vertical fin extending downwardly from the gear case.

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