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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS4048RP |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
666.00 oz-in
47.96 kg-cm
4.7 N-m
7.4V
583.00 oz-in
41.98 kg-cm
4.1 N-m
6.0V
500.00 oz-in
36.00 kg-cm
3.5 N-m
|
| Speed |
8.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
|
| Physical | |
| Weight | 2.82 oz80.0 gBottom 10% |
| Dimensions |
L 1.59 in W 0.79 in H 1.57 in L 40.4 mm W 20.1 mm H 39.9 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1500 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| 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
| Weight | Bottom 10% Lighter than 9% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 7.11–13.68 W |
| Power Density | 6.938 W/in³ More power-dense than 90% of 1759 Digital Standard servos |
| Torque Density | 6.2500 oz-in/g |
| Torque-to-Volume Ratio | 253.54 oz-in/in³ |
| Speed-to-Weight | 0.09615 (1/sec·g) |
| Speed-Torque Trade-off | 65.01 |
| Voltage Range Width | 1.2 V Wider voltage range than 8% of 1539 Digital Standard servos |
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