Futaba - S3170G servo 1-F1619Description:Small but immensely powerful and proportional 180° retract servo.The small, only 16 mm wide S3170G servo has a torque of 85 Ncm. Perfect as retract servo in small to medium sized models. Double ball-raced gearbox.Specification:Dimensions: 34.5x16x25.8 mm,Mass/weight: 26.3g,Operating voltage: 4.8...6.0Volts,Torque: 70.00 Ncm- 4.80 Volts/85.00 Ncm -6.00 VoltsTransit speed: 0.52 Sec/45°- 4.80 Volts/0.42 Sec/45°- 6.00 VoltsHolding power: 175.00 Ncm-4.80 Volts/212.00 Ncm -6.00 Volts