1. Introduction
This manual provides essential information for the safe and efficient operation of your SURPASS HOBBY C50 Series V2 Outrunner Brushless Motor. This series includes models C5045, C5055, and C5065, designed for fixed-wing RC aircraft models. Please read this manual thoroughly before installation and use to ensure proper setup and to maximize the performance and lifespan of your motor.
Key Features:
- 14 Pole Hi-torque rotor design for stable output power.
- Suitable for all fixed-wing aircraft models.
- Constructed with CNC Machined 6061 T6 aluminum for front and rear covers.
- Precision balanced rotor ensures smoothness, reliability, and maximum RPM.
- High Purity Copper Windings maximize efficiency.
- Engineered for maximum energy conversion.
2. Safety Warnings
⚠ IMPORTANT: This is a hobby product. Improper operation may cause injury or damage to the product. This product requires great airflow when in use. Use it only under the supervision of an adult. Before installation and use, please read and follow the operating procedures specified in this manual. We do not assume any liability arising from incidental or indirect loss. At the same time, we do not assume any liability arising from unauthorized modifications to the product.
- Before using, ensure that the power system is reasonable. Unreasonable power matching will cause the motor to burn out or be damaged.
- Do not overtighten the screws when installing the motor. Be sure to use the appropriate mounting screws.
- Before connecting the motor, ensure that the insulated parts are well treated. Short circuits will damage the motor.
- Be sure to connect the components correctly. Wrongly connected components may not work properly, or the components may be damaged. Please refer to the connection diagram.
- Avoid the motor operating temperature exceeding 130°C (212°F). High temperature may cause the motor to demagnetize or damage the motor.
- Do not touch the motor after use to avoid overheating and scalding. Wait for the motor to cool down completely before using it.
3. Specifications
The following table provides detailed specifications for the SURPASS HOBBY C50 Series V2 motors:
| Model Number | Item Number | KV (RPM/Volt) | Max Power (W) | Voltage Range (V) | Max Current (A) | No Load Current (A) | Resistance (Ω) | Motor Size (mm) | Stator Size (mm) | Weight (g) | Propeller (Inch) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C5045-V2 | SP-250450-01 | 890 | 860 | 10~18 | 48 | 2.5 | 0.0215 | Ø50x43.5 | Ø40.6x10 | 180 | 12x6/13x10/13x8 |
| C5045-V2 | 720 | 860 | 10~20 | 43 | 1.6 | 0.0275 | Ø50x43.5 | Ø40.6x10 | 180 | 14x7/12x10/13x8 | |
| C5055-V2 | SP-250550-01 | 760 | 1660 | 10~20 | 83 | 2.4 | 0.0173 | Ø50x53.5 | Ø40.6x20 | 277 | 14x8/15x8/17x9 |
| C5055-V2 | 570 | 1550 | 15~24 | 65 | 1.5 | 0.0255 | Ø50x53.5 | Ø40.6x20 | 277 | 14x8/13x8/17x9 | |
| C5065-V2 | SP-250650-01 | 435 | 1750 | 15~24 | 73 | 1.6 | 0.0234 | Ø50x63.5 | Ø40.6x30 | 375 | 16x8/16x10/17x9 |
| C5065-V2 | 335 | 1600 | 15~30 | 53 | 1.2 | 0.0421 | Ø50x63.5 | Ø40.6x30 | 375 | 16x10/18x10/18.5x12 |
4. Installation
Follow these steps to properly install your brushless motor:
- Mounting the Motor:
- The motor mounting screws are M3/M4 screw holes.
- Use appropriate mounting screws and do not overtighten them to prevent damage.
- Ensure the motor is securely fastened to your aircraft model.
- Propeller Installation:
- Attach the propeller adapter to the motor shaft.
- Secure the propeller to the adapter, ensuring it is balanced and tightly fastened.
5. Motor Connection
Connecting the motor to the Electronic Speed Controller (ESC) and battery:
- The motor has three wires (W/A/B/C) for connection to the ESC. There is no specific polarity for these three wires.
- Connect the three motor wires to the corresponding wires on your ESC.
- If the motor runs in reverse direction after initial connection, you may find it necessary to swap any two of the three motor-to-ESC wires to correct the rotation.
- Ensure all insulated parts are well treated to prevent short circuits, which can damage the motor and ESC.
- Double-check all connections for correctness and reliability before powering on your remote control system.
6. Operation
Once installed and connected, operate your RC aircraft according to its specific flight controller and remote control instructions. Always ensure the motor is receiving adequate airflow during operation to prevent overheating.
- Monitor motor temperature during initial flights. The motor operating temperature should not exceed 130°C (212°F).
- If the motor becomes excessively hot, reduce throttle or allow for cooling periods.
- After use, allow the motor to cool down completely before handling to avoid burns.
7. Maintenance
Regular maintenance helps prolong the life and performance of your motor:
- Keep the motor clean and free from dust, dirt, and debris.
- Periodically check all mounting screws for tightness.
- Inspect motor wires and connectors for any signs of wear or damage.
- Ensure the motor bearings are smooth. If they feel rough, they may need cleaning or replacement.
- Store the motor in a dry, cool environment when not in use.
8. Troubleshooting
Here are some common issues and their potential solutions:
- Motor not spinning or spinning intermittently:
- Check all electrical connections (motor to ESC, ESC to battery, ESC to receiver).
- Ensure the battery is charged and providing sufficient voltage.
- Verify ESC calibration and settings.
- Inspect motor wires for breaks or loose connections.
- Motor spinning in the wrong direction:
- Swap any two of the three motor-to-ESC wires.
- Motor overheating:
- Check for proper propeller sizing and pitch; an oversized propeller can overwork the motor.
- Ensure adequate airflow to the motor.
- Verify that the power system (motor, ESC, battery) is reasonably matched. Unreasonable matching can cause overheating.
- Check for any binding or friction in the motor or propeller assembly.
- Excessive vibration or noise:
- Check for a bent motor shaft or damaged propeller.
- Ensure the propeller is balanced.
- Verify that the motor is securely mounted.
9. User Tips
- Always perform a range check of your radio system before flying.
- Start with smaller propellers and gradually increase size if more thrust is needed, while monitoring motor temperature and current draw.
- Consider using a watt meter to ensure your power system components are operating within their safe limits.
10. Warranty and Support
For warranty claims or technical support, please contact your retailer or the manufacturer directly. Keep your proof of purchase for any warranty-related inquiries. Unauthorized modifications to the product may void the warranty.
11. Statement of Compliance
⚠ Disclaimer: For recreation use only. Illegal modification of drones/planes is prohibited. Please also pay attention to the relevant laws and regulations on the use of drones/planes in your country/area to ensure legal use.