Discover XQ-Power Servos in Our eBay Store!

Shop Now
OCServo OCS-851BL
Standard

OCServo OCS-851BL

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand OCServo
Category Hobby
Performance
Torque
16.8V 1,180.40 oz-in
8.4V 583.30 oz-in Top 10%
Speed
16.8V 0.11 sec/60°
8.4V 0.17 sec/60° Below Average
Stall Current 4–6 ABelow Average
Physical
Weight 3.25 ozBottom 10%
Dimensions L 1.57 in
W 0.79 in
H 1.68 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Metal
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Refresh Rate 333 Hz
Angle Sensor Magnetic Encoder
Control System PWM
Electrical & Environment
Operating Voltage 8.4–16.8 V
Temperature -10–60 °C

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Class Comparison

TorqueTop 10%
Stronger than 95% of 844 Digital Standard servos at 8.4V
SpeedBelow Average
Faster than 23% of 832 Digital Standard servos at 8.4V
WeightBottom 10%
Lighter than 0% of 1818 Digital Standard servos
Stall CurrentBelow Average
Lower draw than 18% of 403 Digital Standard servos

Performance Analysis

Torque Density6.3402 oz-in/g
Stronger than 89% of 833 Digital Standard servos
Torque-to-Volume Ratio279.93 oz-in/in³
Denser torque than 93% of 844 Digital Standard servos
Speed-to-Weight0.06394 (1/sec·g)
Faster than 3% of 822 Digital Standard servos
Speed-Torque Trade-off99.17
Better balanced than 95% of 827 Digital Standard servos
Current-per-Torque Ratio0.0103 A/oz-in
More efficient than 77% of 232 Digital Standard servos
Torque Gain per Volt12.19%/V
More voltage-responsive (torque) than 28% of 674 Digital Standard servos
Speed Gain per Volt6.50%/V
More voltage-responsive (speed) than 3% of 688 Digital Standard servos
Voltage Range Width8.4 V
Wider voltage range than 99% of 1271 Digital Standard servos

Notes

Also comes in a RS-485 & CAN control system.

Similar Active Servos

Reviews of OCServo OCS-851BL

Be the first to review!

Submit a review of OCServo OCS-851BL