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Hitec HSG-8315BH Digital HV Ultra Premium 7.4V Servo


Our new supersonic helicopter servo is fast and furious fun! Built with ultra-speed in mind, the HSG-8315BH has a robust Karbonite and aluminum hybrid gear train, high-performance coreless motor and high resolution, low dead band circuitry. It is the perfect tail rotor servo for 500+ size electric and 50-size and up gas pilots whose maneuvers and aerobatics demand the utmost precision and acceleration. Rated at 7.4 volts for 2S LiPo operation with a 560Hz refresh rate, the HSG-8315BH rivals anything like it on the market. Throw in its 25-tooth standard spline and dual ball bearings and it is sure to become one of your favorite servos!

IMPORTANT: The PWM range for this servo is 760 ~ 1020 usec. It will not work with servo controllers that transmit a standard PWM range (1050-1950usec).

Please note Hitec HS-8xxx series servos are NOT programmable


  • Ultra-fast Tail Rotor Servo
  • High Performance, Coreless Motor
  • High Resolution, Low Dead Band Curcuitry
  • Karbonite/Aluminum Gear Train
  • Remarkable 200~560 Hz Refresh Rate
  • Equipped with the Industry Standard 25-tooth Spline


  • Motor Type: Coreless
  • Bearing Type: Dual Ball Bearing
  • Speed sec/60°(6.0V/7.4V): 0.05 / 0.04
  • Torque kg.cm (6.0V/7.4V): 4.3 / 5.3
  • Size in Millimetres: 40 x 20 x 38
  • Weight: 60 g


£52.99 Each
2 for £99.98
4 for £195.96

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