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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS2940MED |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
555.00 oz-in
39.96 kg-cm
3.9 N-m
7.4V
513.00 oz-in
36.94 kg-cm
3.6 N-m
6.0V
444.00 oz-in
31.97 kg-cm
3.1 N-m
Top 10%
|
| Speed |
8.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
7.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Physical | |
| Weight | 2.50 oz71.0 gBottom 10% |
| Dimensions |
L 1.57 in W 0.79 in H 1.16 in L 39.9 mm W 20.1 mm H 29.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Water Rating | IP67 |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 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 95% of 186 Digital Low Profile servos at 6.0V |
| Speed | Above Average Faster than 73% of 183 Digital Low Profile servos at 6.0V |
| Weight | Bottom 10% Lighter than 5% of 304 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 10.26–17.10 W |
| Power Density | 11.888 W/in³ More power-dense than 97% of 273 Digital Low Profile servos |
| Torque Density | 6.2535 oz-in/g Stronger than 95% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 308.60 oz-in/in³ Denser torque than 96% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.17606 (1/sec·g) Faster than 35% of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 35.52 Better balanced than 90% of 183 Digital Low Profile servos |
| Torque Gain per Volt | 10.42%/V More voltage-responsive (torque) than 15% of 164 Digital Low Profile servos |
| Speed Gain per Volt | 13.89%/V More voltage-responsive (speed) than 44% of 163 Digital Low Profile servos |
| Voltage Range Width | 2.4 V Wider voltage range than 42% of 276 Digital Low Profile servos |
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