A sealable engine containment assembly provides a waterproof environment for an internal combustion engine and ancillary equipment, thus performing a 'engine room' in a sealable container.

A sealed motor unit (50) has a metal portion (56) to transfer heat from the motor (50).

According to the invention, the motor-stator (28) is arranged inside a vacuum-sealed motor housing (24) in the vacuum.

New engine encapsulation reduces noise and accelerates warm-up.

Joe does make quite a few references to what he call a " sealed engine ", as is the case with the Rover motor and most modern motors as well.