BL850H High Voltage Brushless Servo by Align

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Frederick, MD

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This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
Low Price: $179.99
Discontinued Online

This product was added to our catalog on September 23, 2013.

This is the Align BL850H High Voltage Brushless Servo. 


  • Utilizes brushless motor design for fast speed, high efficiency and increases the lifespan of the servo.
  • Supports 8.4v high voltage to provide optimal speed and torque performance.
  • Designed specifically for helicopters, with highest specifications on the market: 0.028 sec/60 ultra fast speed and monstrous 173.59 oz-in (12.5kg-cm) torque, allowing the helicopter to perform faster, with higher precision.
  • Ultra high 12 bits signal resolution for excellent precision and smoothness.
  • Hardened high strength super alloy gears.
  • Equipped with a CNC machined aluminum case, for top of the line aesthetics, and improved heat sink function.
  • Supports both analog and digital control signals.
  • Suitable for T-Rex 550/600/700/800 rudder use.     


  • Stall torque:
    • @6.0V: 124.9 oz-in (
    • @7.4V: 152.76 oz-in (
    • @8.4V: 173.59 oz-in (
  • Speed:
    • @6.0V: 0.045 sec/60
    • @7.4V: 0.03 sec/60
    • @8.4V: 0.028 sec/60
  • Rating Voltage: DC 4.8-8.4V
  • Temperature Range: -20C~+60C
  • Dimension: 40.3x20.1x38.7mm
  • Weight: 75g


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