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Technical Specifications
Last Updated: 2026-07-28
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM-S8166MS |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
458.37 oz-in
33.01 kg-cm
3.2 N-m
4.8V
372.25 oz-in
26.80 kg-cm
2.6 N-m
|
| Speed |
6.0V
0.22 sec/60°
272.7 deg/s
45.5 RPM
4.8V
0.26 sec/60°
230.8 deg/s
38.5 RPM
|
| Physical | |
| Weight | 5.64 oz160.0 gAverage |
| Dimensions |
L 2.382 in W 1.209 in H 2.362 in L 60.5 mm W 30.7 mm H 60.0 mm |
| Drivetrain | |
| Gears | Metal |
| Rotation/Support | Dual Bearings |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Origin | |
| Country of Origin | China |
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
| Weight | Average Lighter than 64% of 264 Giant servos |
Performance Analysis
| Shaft Power | 2.65–3.85 W |
| Power Density | 0.566 W/in³ More power-dense than 32% of 97 SpringRC servos |
| Torque Density | 2.3266 oz-in/g |
| Torque-to-Volume Ratio | 54.73 oz-in/in³ |
| Speed-to-Weight | 0.02404 (1/sec·g) |
| Speed-Torque Trade-off | 96.77 |
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