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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | B250 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
583.27 oz-in
42.00 kg-cm
4.1 N-m
7.4V
513.83 oz-in
37.00 kg-cm
3.6 N-m
6.0V
404.12 oz-in
29.10 kg-cm
2.9 N-m
Above Average
|
| 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
Average
|
| Physical | |
| Weight | 2.62 oz74.2 gBelow Average |
| Dimensions |
L 1.56 in W 0.79 in H 1.55 in L 39.6 mm W 20.1 mm H 39.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–60 °C14–140 °F |
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 | Above Average Stronger than 84% of 1043 Digital Standard servos at 6.0V |
| Speed | Average Faster than 53% of 1041 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 21% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.75–11.98 W |
| Power Density | 6.273 W/in³ More power-dense than 86% of 1759 Digital Standard servos |
| Torque Density | 5.4464 oz-in/g Stronger than 82% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 211.56 oz-in/in³ Denser torque than 84% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.10367 (1/sec·g) Faster than 37% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 52.54 Better balanced than 79% of 1031 Digital Standard servos |
| Torque Gain per Volt | 18.47%/V More voltage-responsive (torque) than 72% of 850 Digital Standard servos |
| Speed Gain per Volt | 18.53%/V More voltage-responsive (speed) than 72% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 49% of 1539 Digital Standard servos |
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