An aquatic vessel may include contra-rotating propellers and a hull mold with a keel pad sectional extended from a hull planing surface to a location on the hull mold at which a propeller shaft exits a propeller shaft tunnel at an aft transom edge of the hull mold and at a forward portion of the keel pad sectional, with sides of the propeller shaft tunnel formed into directional ports to increase a flow of water into the propeller shaft tunnel.
Modification of traditional propeller shaft tunnel on a vessel hull
2018-05-22
Patent
Electronic Resource
English
Modification of traditional propeller shaft tunnel on a vessel hull
European Patent Office | 2018
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