Drive for watercraft comprising a surface propeller

Details Drive for watercraft comprising a surface propeller Drive for watercraft comprising a surface propeller

B - Operations, Transporting

63

H

115/27

B63H 21/24 (1980.01)

Patent

CA 1112955

ABSTRACT A drive for a watercraft comprises a surface propeller which is driven by an inboard motor by way of a shaft assembly which extends through the transom and is jointed at least in the region of the transom; the outboard propeller shaft is journalled in a support arm with a forward flange plate, fitted to the transom on the outboard side, such that the propeller thrust is transferred directly from a propeller thrust bearing in the support arm to the watercraft. The support arm is a one-piece structure in the form of box sections which in addition to the propeller shaft bearings also house connections for cooling water lines, the exhaust gas duct, and operating elements for a steering rudder fitted aft of the propeller, and also carries a trimming rudder which can be swivelled about a horizontal axis. A change-over and/or reversing gear can be provided inside the watercraft, or between the transom and support arm, or inside the support arm.

331807

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