Futaba S3071HV High Voltage HT BB MG S.Bus Servo

Futaba S3071HV High Voltage, High Torque, Ball Bearing,
  Metal Gear Equipped, Standard Size S.BUS Servo.


FEATURES: Designed for models that require very high speed and high torque
          May also be used in conventional (non-S.BUS) systems
          Ball bearing equipped output shaft
          One year limited warranty through Hobby Services beginning at date of
            purchase


INCLUDES: Futaba S3071HV S.BUS Servo, 0.83" (21mm) Round Horn, 1.4" (35.8mm)
            diameter Round Horn, (39mm) 4-Point Horn, 1.2" (32mm) 6-Point Horn
            Mounting Hardware and Instructions


SPECS:    Speed: 0.19 sec/60° at 6.6V
                 0.17 sec/60° at 7.4V
          Torque: 138.9 oz/in (5.8 kg/cm) @ 6.6V
                  145.9 oz/in (6.5 kg/cm) @ 7.4V
          Size: 1.57 x 0.79 x 1.50" (40 x 20 x 38.1mm)
          Weight: 1.73oz (49g)
          Power Supply: 6.0 - 7.4V