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Technical Specifications
Last Updated: 2026-10-27
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS0808 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
129.00 oz-in
9.29 kg-cm
0.9 N-m
7.4V
119.44 oz-in
8.60 kg-cm
0.8 N-m
6.0V
87.49 oz-in
6.30 kg-cm
0.6 N-m
Top 10%
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Physical | |
| Weight | 0.71 oz20.0 gBelow Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.083 in L 23.0 mm W 12.0 mm H 27.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Mechanical Limit | 100° |
| Pulse Cycle | 3.003 ms |
| Refresh Rate | 333 Hz |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
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 91% of 349 Digital Micro servos at 6.0V |
| Speed | Above Average Faster than 72% of 347 Digital Micro servos at 6.0V |
| Weight | Below Average Lighter than 13% of 597 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.80–3.41 W |
| Power Density | 7.357 W/in³ More power-dense than 91% of 563 Digital Micro servos |
| Torque Density | 4.3745 oz-in/g Stronger than 89% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 188.91 oz-in/in³ Denser torque than 92% of 345 Digital Micro servos |
| Speed-to-Weight | 0.55556 (1/sec·g) Faster than 28% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 7.87 Better balanced than 85% of 345 Digital Micro servos |
| Torque Gain per Volt | 19.77%/V More voltage-responsive (torque) than 67% of 290 Digital Micro servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 14% of 295 Digital Micro servos |
| Voltage Range Width | 2.4 V Wider voltage range than 57% of 496 Digital Micro servos |
Notes
Optimized for helicopter, airplane, and jet based aircraft micro cyclic demands. Exposed motor design for cooling.
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Reviews (19)
Includes 19 reviews aggregated from around the web.
There are very few reviews for this servo on the web. A Reddit helicopter builder says the servos perform adequately but plans to spend more on tail servos in future builds because you get what you pay for.
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