HBL669 - MKS Digital HV Brushless Servo

The MKS HBL669 is a high quality and  high voltage (8.2V) brushless rudder servo. High torque. Metal gears (Titanium machining) and double ball bearings. Aluminum mid case (nylon upper and lower case).
Fast, powerful and precise, the HBL669 is perfectly adapted to 3D flights and to the most recent Flybarless systems requirements.
If you want to offer HV-Brushless to your rudder, this servo represents an excellent compromise for class 550 rc helicopters and above.

Specifications:

Torque: 4.2 kg-cm  (6.0V)  / 5.1 kg-cm (7.4V)  /  5.7 kg-cm (8.2V)
Speed: 0.05 s (6.0V)  /  0.04 s (7.4V)  /  0.03s  (8.2V)
Weight: 63 g
Dimensions: 40 x 20 x 40 mm 
Operating Voltage: 6.0 ~ 8.4 DC Volts  ( 2S Lipo un-regulated)
Working frequence: 760µs / 560Hz
Dead band: 0.0005ms (Default)
Bearing Type: 2* ball bearing  
Motor Type: Brushless Motor (made in Japan)
Gear Type: Chrome-Titanium alloy gear