Special Features:

Automatic facilities operative in the event of ships line failure, changing from ships supply to battery. W/dc generator running as a 3hp motor to drive the ac motor as a synchronous generator maintaining power to the gyrocompass equipment for a period of one hour

Properties:

An item which is an electrical rotating machine combining both motor and generator action. The motor and generator(s) may be contained in the same or separate housings. May include accessories such as bed plate, filters, voltage regulators. Excludes dynamotor, and items consisting of a servomotor and a tachometer generator.