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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BL8125 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V106.90 oz-in7.70 kg-cm0.8 N-m |
| Speed |
8.4V
0.03 sec/60°
1,818.2 deg/s
303.0 RPM
7.4V
0.04 sec/60°
1,578.9 deg/s
263.2 RPM
6.0V
0.05 sec/60°
1,304.3 deg/s
217.4 RPM
Top 10%
|
| Physical | |
| Weight | 2.33 oz66.0 gAverage |
| Dimensions |
L 1.54 in W 0.79 in H 1.61 in L 39.1 mm W 20.1 mm H 40.9 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 |
| Water Rating | IP67 |
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
| Speed | Top 10% Faster than 98% of 1045 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 41% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.99 W |
| Power Density | 3.058 W/in³ More power-dense than 60% of 1768 Digital Standard servos |
| Torque Density | 1.6197 oz-in/g |
| Torque-to-Volume Ratio | 54.58 oz-in/in³ |
| Speed-to-Weight | 0.32938 (1/sec·g) Faster than 97% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 4.92 |
| Speed Gain per Volt | 16.42%/V More voltage-responsive (speed) than 54% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 46% of 1560 Digital Standard servos |
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