Xpert R2 Cyclic Servo

Xpert has designed the most advanced servos currently on the market.  They provide leading performance and reliability unmatched by other manufactures.  Xpert servos are the ideal choice for your MSH Helicopter. 

The R2 series has the same performance as the legendary R1 but at an incredible price.  So now you no longer have to make any compromises in price/performance. 



  • Quick release cable that allows easy and quick installation for all helicopters. Includes short cable ideal for the Protos Max Power Bus
  • Brushless motor design provides extremely high speed, top efficiency, and low power consumption.
  • 4096 resolution and SIC (Single Integrated Circuit) for the highest performance and durability.
  • Light weight design
  • Aluminum case for the best thermal dissipation and durability.
  • Strong Metal Gear
  • Glitch-free
  • Sophisticated error correction
  • High-Speed, High-precision 12-bit AD converter and CPU calculation
  • Fail safe
  • Over current protection
  • Over temperature protection
  • Soft power up initialization
  • Operating frequency up to 400Hz



Type Standard
Product Name GS-6401-HV(R2)
Part Name GS-6401-HV(R2)
Power Supply 6.0V~8.4V
Speed (sec/ 60°) @6.0V: .086 sec/60° @7.4V: .07 sec/60° @8.4V: .062 sec/60°
Torque (oz/in) @6.0V: 296.45 oz-in @7.4V: 366.85 oz-in @8.4V: 416.40 oz-in
Torque (kg/cm) @6.0V: 21.43 kg-cm @7.4V: 26.43 kg-cm @8.4V: 30.00 kg-cm
Dimensions 40x37.80x20 mm
Frequency 200/333 Hz
Range 50~400 Hz
Center Position 1520 μs
Applications Helicopter
Uper and Bottom Case XC-09
Hardware Parts Xpare-01
Gear Set XGS7232S