TY - RPRT TI - Stationary Testing of a Pulse Tube Cryocooler Designed to Rotate at 6800 RPM with the Superconducting Rotor of an Electric Machine AU - William R Sixel AU - Paul J Passe AU - Aaron D Anderson AU - Don Fong AU - Casey J Theman AU - Justin J Scheidler UR - https://ntrs.nasa.gov/citations/20260005186 ID - 20260005186 ER -