BL855H High Voltage Brushless Servo by Align

Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
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This is the Align BL855H High Voltage Brushless Servo. Designed specifically for helicopters, these high voltage servos utilize a brushless motor for fast speed, high torque and super efficiency, allowing your helicopter to perform with speed and precision. Equipped with a CNC machined aluminum case, this servo exibits top of the line aesthetics, combined with heat sink function and durability.


  • Utilizes brushless motor design for fast speed, high efficiency and improved servo lifespan
  • Supports 8.4v high voltage to provide optimal speed and torque performance
  • Designed specifically for helicopters, with the highest specifications on the market, to deliver speed and precision
  • Ultra high 12 bit signal resolution for excellent precision and smoothness
  • Hardened high strength superalloy gears that increase the lifespan
  • CNC machined aluminum case, looks good and allows increased heat disipation
  • Supports both analog and digital control signals
  • Suitable for T-Rex 550/600/700/800 rudder use

  • Stall torque:
    • @6.0V: 111.09 (8.0
    • @7.4V: 138.87 (10.0
    • @8.4V: 173.59 (12.5
  • Speed:
    • @6.0V: 0.04 sec/60
    • @7.4V: 0.03 sec/60
    • @8.4V: 0.028 sec/60
  • Voltage: DC 6-8.4V
  • Temperature Range: -20C~+60C
  • Dimension: 40x20x39mm
  • Weight: 73g

  • (2) Servo rudder piece
  • (1) Set screw
  • (4) Rubber damper
  • (4) Brass grommet
  • (4) Tapping screw for servo 

This product was added to our catalog on November 12, 2014.