Hydraulically adjusted horizontal plates located on the bottom of the transom that control the trim angle of a boat at speed.
A front riser pulley system for adjusting a ram-air canopy's or airfoil's angle of incidence or flight attitude. Trim tabs are used on boats to help start in a downward angle to maximize lift at slow speeds. As the boat accelerates, the water pushes up on the trim plates providing lift to the stern which minimizes bow rise, and allows the boat to plane quickly. ...
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