| 摘要 |
A motorized sail tensioner gives the sailor the ability to change the sail shape while sailing, permitting constant adjustment of the sail with only the touch of a switch, to adjust for wind gusts and lulls. It accomplishes this by using a small DC-battery powered motor, assisted by two methods of gear reduction, using a planetary gear and screw. The motor is activated by a remote RF wireless transmitter, worn on the sailors wrist, and activated by a switch, worn on the sailor's index finger. The sail tension is changed by moving the mast position by the action of moving a nut up and down a screw attached to the motor.
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