Submersible electric thruster

A submersible electric thruster comprising:

• a stator assembly with a stator, electrical windings, bearings, and a base;
• a rotor assembly with a shaft extending through the stator assembly that is connected co-rotatably to a plurality of magnets arranged about the stator that are driven by the electromagnetic forces of the stator and windings;
• a propeller with a central hub that surrounds and is co-rotatably connected to the rotor assembly and with a plurality of angularly spaced propeller blades that extend from said central hub;
• a nose cone that is connected to the stator assembly;
• a nozzle that is connected to the stator assembly and provides an inlet and outlet for water flow;
• a tail cone that is connected to nozzle;
• and
• at least one chamber containing at least the stator and windings;
• wherein the plurality of magnets of the rotor assembly are arranged radially outwardly of the electrical windings of the stator assembly to thereby rotate about the windings when driven by the electromagnetic forces provided by the stator and windings;
• wherein the at least one chamber containing the stator and windings is configured to be flooded with water when the thruster is submerged;
• and
• wherein a protective coating encapsulates the stator and windings to prevent water from contacting the stator and windings when the at least one chamber is flooded due to the thruster being submerged, and wherein the protective coating makes direct contact with the flooded water.