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JR S8912
Standard

JR S8912

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-07-10
Identity
Brand JR
Category Hobby
Performance
Torque
12.6V972.10 oz-inTop 10%
Speed
12.6V0.11 sec/60°Above Average
Physical
Weight 2.79 ozBelow Average
Dimensions L 1.575 in
W 0.787 in
H 1.772 in
Drivetrain
Motor Type Brushless
Gears Steel
Rotation/Support Dual Bearings
Control & Signal
Modulation Digital
Rotational Range 180°
Control System PWM
Electrical & Environment
Operating Voltage 12.6–12.6 V
Connectivity
Connector JR (Universal)

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 100% of 1043 Digital Standard servos at 12.6V
SpeedAbove Average
Faster than 71% of 1041 Digital Standard servos at 12.6V
WeightBelow Average
Lighter than 13% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 16.34 W
Power Density7.439 W/in³
More power-dense than 92% of 1759 Digital Standard servos
Torque Density12.3051 oz-in/g
4th-highest torque density of 1036 Digital Standard servos
Torque-to-Volume Ratio442.58 oz-in/in³
Denser torque than 100% of 1042 Digital Standard servos
Speed-to-Weight0.11508 (1/sec·g)
Faster than 50% of 1033 Digital Standard servos
Speed-Torque Trade-off106.92
Better balanced than 97% of 1031 Digital Standard servos
Voltage Range Width0.0 V
Wider voltage range than 1% of 1539 Digital Standard servos

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