Futaba S-HC501 - Heli Swash Servo 13.8kg/cm 0.09s HV Coreless A swash drive servo that uses a coreless motor (1.520/760uS compatible) Replaces S-HC500 (end of life support for the IC in S-HC500) Specs: Coreless motor High Voltage S.BUS 760uS compatible (set to 1,520uS at shipping) Metal 2-3 stage gear Aluminum final stage gear Resin case Size: 40x20x36.6mm Weight: 54g Speed @ 6.6V: 0.10s/60° Torque @ 6.6V: 12.5kg/cm Speed @ 7.4V: 0.09s/60° Torque @ 7.4V: 13.8kg/cm Voltage: *For combination with CGY770R; When using S-HC501 with DG: 1520us, please use the sensor mode of CGY770R's AIL Expert and ELE Expert (FLT Expert in 3D mode) to "Std" or "S1"