Patent ID: 7121219

Claim:
A boat control system for independent steering or propelling of a boat at slow speeds, said system comprising: Three pressure and three suction thruster nozzles for moving pressurized sea water, said nozzles installed through the hull and transom apertures below the boat's water line; at least three impeller containing pumps to receive seawater and pump pressurized sea water to the nozzles; at least three water cooled direct current drive electric motors each connected to one of the pumps to selectively rotate the pump impellers and pressurize seawater, said motors containing seawater heat exchanger having a seawater inlet means and a sea water outlet means directed to said pump, wherein the pumps and motors are combined to form thruster assemblies; and electrical control system joystick connected to the motor with means to selectively turn on individual impellers at an operators console.