Micro 1104 HM Brushless Motor 4300KV
1-2S Mini RC Quadcopter Drone Motor for DIY FPV
The 1104 HM brushless motor is a highperformance micro outrunner designed for mini FPV drones, indoor traversing machines, and lightweight RC models. With its 4300KV rating and support for 12S LiPo batteries, it delivers an excellent powertoweight ratio for agile flight.
High RPM Performance - 4300KV for agile micro drone control
Lightweight Design 11x4mm stator optimized for weightsensitive builds
Battery is 12S (3.7V7.4V) with a max current of 4.8A
Use 5x3 or 5x4 propellers for optimal thrust on 2S
Ensure proper ESC calibration and secure propeller mounting
Technical Specifications
| Parameter | Value |
|---|
| Stator Size | 11mm x 4mm |
| KV Rating | 4300KV |
| Battery Support | 12S LiPo (3.7V7.4V) |
| Max Current | 4.8A (2S) |
| Max Thrust | ~66-100g per motor |
| Configuration | 9N12P (9 stator poles, 12 magnets) |
| Motor Dimensions | 14mm x 15.5mm |
| Shaft Diameter | 1.5mm |
| Weight | 4.5g (without wires) |
= Key Features =
High Power Density - Balanced design for mini quadcopter performance
Low Weight - Only 4.5g for agility and flight time
1.5mm Steel Shaft - Durable and precisely balanced for high RPM operation
3Phase Connection Solder directly to ESC for reliable performance
= Applications =
- 2-3 inch DIY FPV drones
- Indoor traversing machines
- Lightweight RC aircraft
- Micro robotics and automation
- Educational drone kits
Great for Micro Builds Ideal for sub250g FPV drones
Smooth Operation Highquality bearings ensure efficiency and longevity
√ Designed for 1-2S battery systems
√ Lightweight for agile maneuvering
√ Reliable performance for indoor and outdoor flying
Connection and Installation Guide
ESC connection:
- Solder the three motor wires (A, B, C) to the ESC
- Correct sequence determines rotation direction (swap two wires to reverse)
- Use flexible silicone wire for vibration resistance
Propeller mounting:
- 1.5mm shaft diameter for standard micro propellers
- Secure with propellers and mounting rings
- Use thread locker for metal screws
Use 5x3 to 5x4 propellers for a good balance of thrust and efficiency
For longer flight times, choose 2S batteries with higher capacity
Avoid over-tightening propellers, as this may damage the motor bearing
Always calibrate ESC before first flight with 1-2S batteries
Troubleshooting
Motor not spinning:
- Check ESC calibration and signal
- Verify battery voltage and connection
- Look for broken or improperly soldered motor wires
- Ensure ESC supports 1-2S LiPo and DSHOT
Excessive vibration:
- Check propeller balance and motor shaft
- Ensure motor mount is secure
- Use quality bearings if worn
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