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Big Motors > AirDrive (Drones/Fixed-wing)
The S1506 3000KV brushless motor delivers exceptional power density for micro-class drones, engineered with aerospace-grade components for sustained high-RPM operation. Featuring a 3.5mm carbon fiber shaft and dual-bearing support system, it achieves 92% peak efficiency while maintaining minimal vibration levels. Optimized for 2.5"-3" propeller configurations, this motor provides instant torque response and thermal stability for FPV racing, freestyle acrobatics, and long-range cinematic applications.
| Parameter | Specification |
| Stator Size | 15×06mm (Diameter×Height) |
| KV Rating | 3000KV ±5% |
| Max Continuous Power | 350W (30s Burst) |
| Voltage Range | 3S-6S LiPo (11.1V-25.2V) |
| Max RPM | 55,000 RPM |
| Shaft Diameter | 3.5mm Carbon Fiber |
| Mounting Pattern | 12×12mm • 16×16mm |
| Weight (w/o Wires) | 14.2g |
| Phase Resistance | 0.018Ω ±5% |
| No-Load Current | 0.7A @ 16V |
• Precision Magnetic Circuit:
• N52H arc magnets with nickel-plating
• 0.2mm laminated silicon steel stator
• Triple-star winding configuration
• Advanced Thermal Management:
• High-temp enamel wire (220°C rating)
• Ventilated bell design for active airflow
• Thermal cutoff at 120°C
• Mechanical Robustness:
• CNC-machined 7075 aluminum alloy housing
• Stainless steel dual-shielded bearings
• Impact-resistant carbon fiber shaft
| Load Condition | Thrust (g) | Efficiency (%) | Temp Rise (°C) | Power (W) |
| 2.5×3×3 Prop @ 4S 50% | 142g | 89.2 | 22 | 49 |
| 3×2.5×3 Prop @ 6S 75% | 315g | 85.7 | 38 | 142 |
| 3×3×3 Prop @ 6S 100% | 438g | 82.4 | 61 | 248 |
| Tested @ 25°C ambient, 2000m ASL |
• 2.5" cinewhoop platforms
• Sub-250g freestyle builds
• High-speed toothpick racers
• DJI O3 Air Unit carriers
• GoPro Naked configurations
• Low-noise aerial filming
• 6S micro drone configurations
• Technical track competitions
• Drag-optimized speed runs
• Hybrid VTOL prototypes
• Swarm robotics
• Payload endurance testing
• Li-ion powered micro drones
• Forest canopy mapping
• Wildlife observation platforms
• Thermal Specifications:
• Continuous Operation: -20°C to 80°C
• Max Winding Temp: 120°C (auto-derate above 105°C)
• Mechanical Resilience:
• 15G vibration tolerance (20-2000Hz)
• IP67 sealing against dust/moisture
• Corrosion-resistant salt spray protection
• Maintenance Cycle:
• Bearing relubrication every 50 flight hours
• Magnet realignment after 100+ crashes
• Stator inspection for carbon fiber debris
• Electrical Compatibility:
• 35A+ BLHeli_32/AM32 ESCs recommended
• 20AWG minimum wiring gauge
• Anti-spark circuit required for 6S operation