Description
DJI Drone Brushless Motor Variants:
M1: Black & White Wires – Long
M2: Black & Blue Wires – Short
M3: Black & White Wires – Short
M4: Black & Blue Wires – Long
Motor Specifications
| project | Specification |
|---|---|
| Size | 85 × 20 mm |
| Weight | Approx. 5.5 g |
| Lead Length | Rear: 71 mm / Front: 87 mm |
| Wire Color | CW rotation: Black‑Blue wireCCW rotation: Black‑White wire |
| Shaft Play | 0.05–0.3 mm |
| No‑load RPM | 28,000 ± 10% RPM |
| No‑load Current | 200 mA (MAX) |
| Loaded RPM | 20,500 ± 6% RPM (at 2.78 kg·cm torque, 2.5 V) |
| Loaded Current | 2.7 ± 0.25 A (at 2.5 V, 2.78 kg·cm torque) |
| Start Voltage | 0.8 V DC (MAX, rated load, horizontal shaft) |
| Insulation Resistance | ≥ 5 MΩ (measured with 100 V DC between lead and stator) |
Usage Tips
Clean the bearings and apply lubricant before installation to extend motor lifespan.
Ensure correct wiring for clockwise (CW) and counterclockwise (CCW) rotation to prevent reverse spinning.
For initial testing, operate at low voltage and gradually increase for proper tuning.
Application Scenarios
Drone repair and replacement parts
DIY modifications or FPV racing projects
Replacing damaged or aged original motors
Compatibility
Compatible with DJI Tello and other micro-drones with similar form factor and lead configuration.
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