Adjustable angle sailing boat keel - is mounted on longitudinal spindle and motor driven through reduction gear

摘要

The keel (15) of a sailing boat is located by a central horizontal bar fitted in end bearings so that the keel can swing about the bar from one side of the boat to another. The bottom edge carries a counterweight (15B). The end of the horizontal shaft is connected to a motor through a gear reducer. The motor drive is manually controlled from inside the boat. The position of the keel is controlled according to the strength and direction of the wind.