(HTS) ship propulsion motor. under a contract from the U.S. shipped the rotor assembly to ALSTOM's Power Conversion Business in the U.K. 2003, at which time the finished motor will begin testing by the Navy. megawatts (MW), or 6,500 shaft horsepower. refrigeration components used to cool the HTS coils. compactness of the motor. and weight of a conventional motor built with copper coils. HTS wires employed. "The ship propulsion motor we are developing for the U.S. Superconductor's Electric Motors and Generators business unit. higher electrical efficiency, which translates into significant fuel savings. tankers carrying a wide range of materials. designs. noted naval architect and marine consultancy. Mr. MW/120rpm motor. electricity to run the motors," said Paratore.