Trim tab actuator for marine propulsion device

Marine propulsion – Means to control the supply of energy responsive to a sensed...

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440 51, B63H 2126, B63H 2506

Patent

active

047597321

ABSTRACT:
An improved trim tab actuator for a marine propulsion device wherein steering sharpness is improved by providing a pivotally supported trim tab that is steered in response to sensed steering conditions for achieving steering sharpness. In the illustrated embodiment, the steering input force and the steered angle of the outboard drive are measured steered conditions which determine the trim tab position. In addition, certain watercraft conditions such as speed and trim are further measured and determine the optimum trim tab position.

REFERENCES:
patent: 4352666 (1982-10-01), McGowan
patent: 4509924 (1985-04-01), Hall

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