Hydrofoil with variable pitch trolling plate

B - Operations – Transporting – 63 – H

Patent

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Details

B63H 25/50 (2006.01) B63B 39/06 (2006.01) B63H 20/00 (2006.01) B63H 20/34 (2006.01) B63H 25/44 (2006.01) F02B 61/04 (2006.01)

Patent

CA 2162333

A hydrofoil for attachment to an outdrive or outboard motor supports a trolling plate projecting rearwardly from the hydrofoil when in a raised position. The trolling plate includes a pair of arms having a lockable member therebetween slidably engageable with a latch pivotally mounted on the hydrofoil. Downward trolling plate deployment may occur upon elevation of the latch by an operator control which permits the lockable member to travel lengthwise of an elongate opening in the latch and into one of multiple catches in communication with the elongate opening. A first pair of torsion springs urge the trolling plate to a depoloyed position. A second set of torsion springs urge the latch toward a position securing the lockable member against movement. Multiple trolling plate positions allow maneuvering of a boat with a deployed trolling plate.

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