1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your Generic 2812 Brushless Motors. These motors are designed for high-speed, efficient, and responsive performance in Mark4, FPV, and 7-inch/8-inch drones. Please read this manual thoroughly before use to ensure safe and optimal performance.
2. Package Contents
Verify that all components listed below are present in your package:
- 4 x 2812 Brushless Motors (900KV)
- 16 x Screws
- 4 x Nuts
- 4 x Washers
Image 2.1: Contents of the 2812 Brushless Motor package, including four motors and mounting hardware.
3. Specifications
| Feature | Specification |
|---|---|
| Item Type | 2812 Brushless Motor |
| Material | Aluminum Alloy, Copper |
| Motor Size | Approx. 34 x 25.5mm / 1.3 x 1in |
| Supported Lithium Battery Quantity | 2S-6S |
| Framework | 12N14P |
| KV Rating | 900KV |
| Fitment | Mark4, APEX, FPV, Freestyle, 7-inch and 8-inch Drones |
| Item Model Number | Generico68zi0d5k1-11 |
| Item Weight | 12.7 ounces (for the pack) |
4. Setup and Installation
These brushless motors are designed for straightforward installation. Follow these steps to integrate them into your drone frame:
- Prepare the Drone Frame: Ensure your drone frame is compatible with 2812 size motors and has appropriate mounting points.
- Mount the Motors: Align the motor's mounting holes with those on your drone's arm. Use the provided screws, nuts, and washers to securely fasten each motor. Do not overtighten.
- Connect Wiring: Connect the three motor wires to your Electronic Speed Controller (ESC). The order of connection determines the motor's rotation direction. If the motor spins in the wrong direction, swap any two of the three wires.
- Propeller Installation: Once motors are securely mounted and wired, install propellers according to your drone's specifications, ensuring correct rotation direction for each motor.
Image 4.1: Example of motor fitment on a drone frame, suitable for Mark4, FPV, and similar drone types.
5. Operating Instructions
These brushless motors are designed for high performance and responsiveness. Proper operation involves understanding their characteristics:
- Power Supply: Ensure your battery (2S-6S LiPo recommended) and ESC are correctly matched to the motor's specifications to prevent damage and ensure optimal performance.
- Smooth Operation: The brushless design eliminates mechanical contact, resulting in quiet operation and reduced noise during flight.
- Fast Response: These motors offer quick response to commands, allowing for precise control and agile maneuvers.
- Efficiency: Designed for high efficiency, these motors contribute to extended flight times and consistent power delivery.
Image 5.1: Internal view of the brushless motor, illustrating the design that contributes to quiet operation.
Image 5.2: The motor's design facilitates accurate speed and position control for responsive flight.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your brushless motors:
- Inspection: Periodically inspect motors for any signs of physical damage, loose wires, or debris accumulation.
- Cleaning: Gently clean the motors to remove dust, dirt, or small particles that may affect performance or cause overheating. Use compressed air or a soft brush.
- Bearing Check: Check motor bearings for smooth rotation. If you notice any grinding or excessive play, consider replacing the bearings.
- Wire Integrity: Ensure all motor wires are securely connected and free from cuts or fraying.
7. Troubleshooting
If you encounter issues with your motors, consider the following common troubleshooting steps:
- Motor Not Spinning:
- Check all wire connections between the motor and ESC.
- Ensure the ESC is properly calibrated and receiving signals from the flight controller.
- Verify battery charge level.
- Incorrect Rotation Direction:
- Swap any two of the three motor wires connected to the ESC.
- Adjust motor direction settings in your flight controller software (if applicable).
- Excessive Vibration/Noise:
- Inspect propellers for damage or imbalance.
- Check motor mounting screws for tightness.
- Examine motor shaft and bearings for damage.
- Motor Overheating:
- Ensure proper airflow around the motors.
- Verify that the propeller size and pitch are appropriate for the motor's KV rating and drone weight.
- Check for any binding or obstruction preventing smooth motor rotation.
8. Safety Information
Always observe the following safety precautions when handling and operating brushless motors:
- Propeller Safety: Always remove propellers before performing any maintenance or configuration changes to prevent accidental injury.
- Battery Safety: Use appropriate batteries and ensure correct polarity. Incorrect battery usage can lead to fire or explosion.
- Electrical Safety: Be cautious when working with electrical components. Avoid short circuits and ensure all connections are insulated.
- Heat: Motors can become hot during operation. Allow them to cool before handling after use.
- Children: Keep motors and small parts out of reach of children.
