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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS4079MED |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
1,097.31 oz-in
79.01 kg-cm
7.7 N-m
7.4V
998.69 oz-in
71.91 kg-cm
7.1 N-m
6.0V
825.07 oz-in
59.41 kg-cm
5.8 N-m
5.0V
670.89 oz-in
48.31 kg-cm
4.7 N-m
|
| Speed |
8.4V
0.13 sec/60°
461.5 deg/s
76.9 RPM
7.4V
0.15 sec/60°
400.0 deg/s
66.7 RPM
6.0V
0.18 sec/60°
333.3 deg/s
55.6 RPM
5.0V
0.22 sec/60°
272.7 deg/s
45.5 RPM
|
| Physical | |
| Weight | 2.82 oz80.0 gBottom 10% |
| Dimensions |
L 1.59 in W 0.79 in H 1.75 in L 40.4 mm W 20.1 mm H 44.4 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 180° |
| Pulse Width | 500-2500 µs |
| Refresh Rate | 333 Hz |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | 15–70 °C59–158 °F |
| Water Rating | IP67 |
| Connectivity | |
| Connector | JST |
| Wire Length | 60 mm2.36 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
| Weight | Bottom 10% Lighter than 10% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.64–15.61 W |
| Power Density | 7.100 W/in³ More power-dense than 91% of 1759 Digital Standard servos |
| Torque Density | 8.3861 oz-in/g |
| Torque-to-Volume Ratio | 305.20 oz-in/in³ |
| Speed-to-Weight | 0.05682 (1/sec·g) |
| Speed-Torque Trade-off | 147.61 |
| Voltage Range Width | 3.6 V Wider voltage range than 81% of 1539 Digital Standard servos |
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