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Big Motors > AirDrive (Drones/Fixed-wing)
The D1104 4000KV brushless motor delivers versatile performance for small quadcopters, RC vehicles, and model aircraft. Engineered with a balanced design and optimized magnetic circuit, it provides efficient power delivery across various voltage ranges. The motor's compact size and lightweight construction make it ideal for sub-250g drones and small-scale RC applications requiring responsive throttle control and extended run times.
| Parameter | Specification |
| Motor Type | 3-Phase Sensorless BLDC |
| Protection Rating | IP4X (Limited Dust Protection) |
| Rated Voltage | 2S-4S LiPo (7.4-11.1V) |
| Continuous Power | 43.3W @ 11.1V (Peak 43.3W) |
| Max Thrust | 105g (Peak) / 65g (Continuous) |
| Speed Range | 5,000-60,000 RPM (ESC Adjustable) |
| KV Rating | 4000-7500 RPM/V |
| Phase Resistance | 0.08Ω (Phase-to-Phase) |
| Shaft Diameter | 1.5mm (Hardened Steel) |
| Weight | 5.5g (Without Wires) |
| Mounting | M2 Threads (2-point) |
• Versatile Power Range: Optimized for 2S-4S LiPo batteries
• Efficient Design: >85% peak efficiency with low iron losses
• Precision Balancing: Titanium-reinforced rotor for smooth operation
• Cooling System: Vented housing reduces operating temperature by 15°C
• Quick Response: 0-50k RPM acceleration in 0.15 seconds
| Thrust | RPM | Current | Efficiency | Flight Time* |
| 65g | 28,000 | 2.8A | 84% | 9 min |
| 105g | 48,000 | 4.6A | 79% | 5 min |
| *Based on 650mAh 3S battery |
• 3"-4" FPV freestyle drones
• Micro long-range UAVs
• Sub-250g cinewhoop platforms
• Park flyer propulsion
• EPP foam glider boosters
• Indoor RC planes
• 1/24 scale rock crawlers
• Mini drift car powertrains
• Micro monster trucks
• Continuous Operation: 60°C @25°C ambient (30sec burst max)
• Thermal Limit: 1-minute peak power duration
• Cooling Requirements: Propeller/vehicle motion airflow
• Storage Conditions: -20℃ ~ +70℃, <75% RH
