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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS8208A |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
1,138.76 oz-in
82.00 kg-cm
8.0 N-m
7.4V
1,041.55 oz-in
75.00 kg-cm
7.4 N-m
6.0V
902.68 oz-in
65.00 kg-cm
6.4 N-m
Top 10%
|
| Speed |
8.4V
0.11 sec/60°
545.5 deg/s
90.9 RPM
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Average
|
| Physical | |
| Weight | 2.47 oz70.0 gBelow Average |
| Dimensions |
L 1.594 in W 0.787 in H 1.496 in L 40.5 mm W 20.0 mm H 38.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | 4-pole |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | 2S LiPo |
| Water Rating | IP65 |
| 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 100% of 1060 Digital Standard servos at 6.0V |
| Speed | Average Faster than 46% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 34% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 11.92–19.14 W |
| Power Density | 10.200 W/in³ More power-dense than 98% of 1768 Digital Standard servos |
| Torque Density | 12.8954 oz-in/g 1st-highest torque density of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 480.99 oz-in/in³ 3rd-highest torque-to-volume ratio of 1058 Digital Standard servos |
| Speed-to-Weight | 0.10204 (1/sec·g) Faster than 38% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 126.37 Better balanced than 100% of 1034 Digital Standard servos |
| Torque Gain per Volt | 10.90%/V More voltage-responsive (torque) than 22% of 873 Digital Standard servos |
| Speed Gain per Volt | 11.36%/V More voltage-responsive (speed) than 24% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 44% of 1560 Digital Standard servos |
Notes
Soft start ready. IP65 Water proof. Optimized for Airplane and Jet Aircraft (100-120cc).
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Reviews (3)
Includes 3 reviews aggregated from around the web.
There are few reviews for this servo on the web. A retailer shows three reviews, all five stars. Buyers call it a great servo for a fair price with strong specs for jets. One had not flown it yet and wished it came with rubber grommets for a gas plane.
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