Watercraft having low cavitation drive

Details Watercraft having low cavitation drive Watercraft having low cavitation drive

B - Operations, Transporting

63

H

B63H 20/00 (2006.01) B63B 35/71 (2006.01)

Patent

CA 2606840

A watercraft comprises a hull which is bouyant in water, and a propulsion system coupled to the hull for for propelling the hull in the water. The propulsion system comprises a propulsion disc and at least one drive input coupled to the propulsion disc. The propulsion disc is rotatable by the drive input about an axis of rotation and comprises a cavitation-reducing ring and a plurality of paddles extending radially outwards from the cavitation-reducing ring. The cavitation--reducing ring is configured to reduce cavitation in the water during rotation of the propulsion disc.

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