Water jet propulsion watercraft

Details Water jet propulsion watercraft Water jet propulsion watercraft

B - Operations, Transporting

63

H

B63H 11/00 (2006.01)

Patent

CA 2516877

To provide a water jet propulsion watercraft that allows speed detection accuracy of a speed detection unit to be achieved, a sufficient strength to be obtained, and right and left guide grooves to be formed into a desired shape. A water jet propulsion watercraft is constructed as follows. Specifically, a hull bottom plate includes left and right guide grooves for guiding water rearwardly of a hull. The left and right guide grooves are disposed in a fore-and-aft direction at an area excluding at least a front portion of the hull bottom plate. Further, the hull bottom plate includes a flat surface formed at the front portion of the left and right guide grooves and on a surface facing the water. The flat surface is provided with an opening for guiding water to a speed detection unit.

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