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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS5012 |
| Category | Hobby |
| Performance | |
| Torque |
12.0V763.69 oz-in54.99 kg-cm5.4 N-m |
| Speed |
12.0V0.11 sec/60°545.5 deg/s90.9 RPM |
| Physical | |
| Weight | 2.82 oz80.0 gBottom 10% |
| Dimensions |
L 1.594 in W 0.787 in H 1.654 in L 40.5 mm W 20.0 mm H 42.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Width | 1000-2000 µs |
| Electrical & Environment | |
| Operating Voltage | 9–12 V |
| 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
| Weight | Bottom 10% Lighter than 9% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 12.84 W |
| Power Density | 6.187 W/in³ More power-dense than 86% of 1768 Digital Standard servos |
| Torque Density | 9.5461 oz-in/g |
| Torque-to-Volume Ratio | 368.06 oz-in/in³ |
| Speed-to-Weight | 0.11364 (1/sec·g) |
| Speed-Torque Trade-off | 84.00 |
| Voltage Range Width | 3.0 V Wider voltage range than 68% of 1560 Digital Standard servos |
Notes
Special made for RC Crawler and RC airplane that can handle 9-12V BEC. Servo Grommet suggested for Nitro Heli.
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Reviews (2)
Includes 2 reviews aggregated from around the web.
There are very few reviews for this servo on the web, and they are mixed. One buyer calls it a good servo but complains about the retailer's return service. Another says the first one is still strong and they plan to buy more, but a second one did not last long.
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