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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS-HV7146MG |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
663.94 oz-in
47.81 kg-cm
4.7 N-m
6.0V
522.26 oz-in
37.61 kg-cm
3.7 N-m
Top 10%
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Average
|
| Physical | |
| Weight | 2.50 oz71.0 gBelow Average |
| Dimensions |
L 1.594 in W 0.807 in H 1.417 in L 40.5 mm W 20.5 mm H 36.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Dead Band | 1 µs |
| Refresh Rate | 330 Hz |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 265 mm10.43 in |
| 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
| Torque | Top 10% Stronger than 93% of 1043 Digital Standard servos at 6.0V |
| Speed | Average Faster than 61% of 1041 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 30% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 8.05–12.28 W |
| Power Density | 6.735 W/in³ More power-dense than 90% of 1759 Digital Standard servos |
| Torque Density | 7.3558 oz-in/g Stronger than 94% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 286.52 oz-in/in³ Denser torque than 94% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.11737 (1/sec·g) Faster than 51% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 62.67 Better balanced than 85% of 1031 Digital Standard servos |
| Torque Gain per Volt | 19.38%/V More voltage-responsive (torque) than 76% of 850 Digital Standard servos |
| Speed Gain per Volt | 14.29%/V More voltage-responsive (speed) than 43% of 871 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 28% of 1539 Digital Standard servos |
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