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    The traction engine was a four-pole, three-phase, 525-volt AC induction motor, weighing 143 pounds (65 kg), with a maximum speed of 24,000 RPM; it had an aluminum housing, was lubricated by oil, and had an 8:1 motor to final drive ratio. Electrical power was supplied by a water-cooled, three-phase alternator which was built into a two stage gas turbine, fueled with liquified natural gas, running at 50,000 RPM at low speed and 100,000 RPM at high speed, weighing 186 pounds. Additional energy for acceleration was provided by a 147 pound SatCon composite flywheel housed in a vacuum chamber running at 58,000 RPM, coupled to the drive train via three-phase permanent magnets in a Halbach array.

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