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Technical Specifications
Last Updated: 2026-07-28
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Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
Preferences are saved automatically.
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 8520 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V12.50 oz-in0.90 kg-cm0.1 N-m |
| Speed |
4.8V0.07 sec/60°857.1 deg/s142.9 RPM |
| Running Current | (add) |
| Stall Current | (add) |
| Shaft Power | 0.33 W |
| Physical | |
| Weight | 0.35 oz9.8 g |
| Dimensions |
L 0.91 in W 0.45 in H 0.95 in L 23.1 mm W 11.4 mm H 24.1 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | (add) |
| Motor Drive | (add) |
| Gears | (add) |
| Gear Spline/Teeth | 25 T estimate |
| Rotation Mode | (add) |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
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.
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Reviews (1)
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chopstick
January 17, 2010Application(s): this servo workes fine on my 450-size heli and a Spartan DS760-gyro.all with anSpektrum DX7 TX and AR6110 RX
Comments: Specially designd for 450-sized helicopters