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16.8 kilonewtons 74 newtons alinement approximately bearing friction torque bearing surfaces bearing torque bearing was run cantilever beams cantilever-mounted resilient-pad gas center of pressure centimeters clamped bearing mount clearance as function experimental film Figure 9 foil bearings function of rotor gas bearings gas film gas thrust bearing gimbal mount gimbal self-alining bearing High Speed Increasing speed Induction probes journal bearing kilonewtons per square Lewis Research Center lift bearing load of 74 lubricant mating runner minimum film thickness NASA Nemeth Operating Characteristics pad surfaces predicted by theory probe location probe signal Rayleigh step bearing Rayleigh step thrust resilient-pad gas thrust rpm Figure self-alining bearing mount self-alining gimbal Shaft speed shaft weight shown in figure speed range step thrust bearing test thrust bearing theoretical film thickness Theory iref thickness at probe three bearing assemblies torque as function torque sensor torque was greater touchdown speed uniform minimum film unit load