Grunty Power-Sail-Power-Boat Drive.
tom kane

tom kane: Grunty Power-Sail-Power-Boat Drive.

CAM.A.PROPULSION 1970. Drive lifts level with keel,fit long lifting dagger rudder for sail.Prop lifts behind transom or into pod.Prop and rudder retract independently.Many more advantages.

tom kane, Dec 2, 2004