Discussion: “The Dynamic Characteristics of a Turborotor Simulator Supported on Gas-Lubricated Foil Bearings—Part 3: Rotation in Foil Bearings of Reduced Length, With Starting and Stopping Unaided by External Pressurization” (Licht, L., 1972, ASME J. Lubr. Technol., 94, pp. 211–220)