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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BMS-660MG+HS |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
195.00 oz-in
14.04 kg-cm
1.4 N-m
4.8V
176.00 oz-in
12.67 kg-cm
1.2 N-m
|
| Speed |
6.0V
0.17 sec/60°
352.9 deg/s
58.8 RPM
4.8V
0.20 sec/60°
300.0 deg/s
50.0 RPM
|
| Physical | |
| Weight | 2.08 oz59.0 gBelow Average |
| Dimensions |
L 1.594 in W 0.787 in H 1.654 in L 40.5 mm W 20.0 mm H 42.0 mm |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Analog |
| Pulse Cycle | 8 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 125 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.5–6.5 V |
| Power Source | Ni-MH / Ni-CD |
| Certification | ROHS |
| Connectivity | |
| Connector | JR (Universal) |
| 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 | Below Average Lighter than 15% of 448 Analog Standard servos |
Performance Analysis
| Shaft Power | 1.63–2.12 W |
| Power Density | 1.022 W/in³ More power-dense than 79% of 437 Analog Standard servos |
| Torque Density | 2.9831 oz-in/g |
| Torque-to-Volume Ratio | 84.82 oz-in/in³ |
| Speed-to-Weight | 0.08475 (1/sec·g) |
| Speed-Torque Trade-off | 35.20 |
| Voltage Range Width | 2.0 V Wider voltage range than 89% of 229 Analog Standard servos |
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