Patent ID: 6923136
Filing Date: 2005-08-02
Classification: B63B,B63H

Abstract:
1. An automatic trim system for a power boat having a hull with a transom and a propulsion system including a motor connected to a propeller through a drive, said propeller and drive being adjustable between various trim positions, said system comprising: at least one trim tab disposed to rotate about a point near a base of the transom of the boat between (a) a position aft of and lower than the bottom of the hull of the boat and (b) a position where the trim tab is substantially out of water and of no adverse effect when the boat is moving above low speed; first means operable between a first position and a second position and connected to said at least one trim tab so that said at least one trim tab is in said position (a) when said first means is in said first position and is in said position (b) when said first means is in said second position; and second means responsive to the trim position of said drive to position said first means in said first position when said drive is in the lowest trim position and to position said first means in said second position whenever said drive is in a trim position between a selected pickup trim position and the highest trim position.