Researchers from Siemens have developed a new type of propulsion motor for all-electric ships (AES). The synchronous machine is part of an electric propulsion system based on high temperature superconducting technology (HTS). The HTS engine generates four megawatts of power at a torque of over 300 kilonewton meters. The scientists are presenting the project at the Hannover Messe (April 16 – 20).