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MKS HBL850 High Voltage Cyclic Servo for Roban 6/7/800 Series Helicopters

Brand: MKS /
Regular price €214.68 21468 (incl. VAT) Free Shipping*
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HBL850 High Voltage Cyclic Servo for Roban 6/7/800 Series Helicopters from MKS - MKS-HBL850

The MKS HBL850 High Voltage Brushless Digital Servo is recommended for cyclic applications.  The MKS HBL line of servos has been designed exclusively for high voltage applications making them a great match with an unregulated 2S LiPo battery pack.  In addition, the HBL series of servo's are lightning fast, extremely strong and operate with little noise.  The HBL850 is well suited to surface and aircraft applications, and is an excellent choice for the Roban 600/700 and 800 Series Scale Helicopters.


  • Excellent choice for high voltage applications
  • Incredibly fast, strong and minimal noise
  • Aluminum body and titanium gears
  • Dual ball bearing output shaft is spill resistant
  • Water/Dust sealed case allows servo to operate in extreme environments


  • MKS HBL850 Upgrade Cyclic Servo
  • 2 Servo arms
  • 2 Mounting brackets
  • Set of screws

Servo Measurement Key

Product Specifications:

Servo Class


Servo Type


Gear Material

Chrome-Titanium Alloy


Standard / Normal

Operating Voltage Range

6.0V to 8.4V

Speed (6V)

0.1 sec @ 60 deg

Speed (7.4V)

0.079 sec @ 60 deg

Speed (8.4V)

0.071 sec @ 60 deg

Torque (6V)

18.2 kg/cm (252.75 oz/in)

Torque (7.4V)

22.5 kg/cm (312.47 oz/in)

Torque (8.4V)

24.9 kg/cm (345.80 oz/in)

Current Draw at Idle


Current Draw Operating (No Load)


Dimensions (L x W x H)

40 x 20 x 38.5mm


73g (2.57oz)

Lead Length

238.7mm / 9.4in

Product Questions & Answers

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