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Big Motors > AirDrive (Drones/Fixed-wing)
The H3748 1700KV brushless motor delivers versatile high-RPM performance for RC helicopters and compact electric scooters. Engineered with precision-balanced components and optimized magnetic circuits, it provides exceptional torque response and thermal efficiency. The motor's robust construction ensures reliable operation in demanding applications requiring rapid acceleration and sustained power delivery, from 3D helicopter aerobatics to urban commuter scooters.
| Parameter | Specification |
| Motor Type | 3-Phase Sensorless BLDC |
| Protection Rating | IP54 (Dust & Splash Protected) |
| Rated Voltage | 4-6S LiPo (11.1V–30V) |
| Continuous Power | 630W @30V |
| Max Torque | 3.5Nm (Peak) / 2.2Nm (Continuous) |
| Speed Range | 5,000–45,000 RPM (ESC Adjustable) |
| KV Rating | 350-1700 RPM/V |
| Phase Resistance | 0.015Ω (Phase-to-Phase) |
| Shaft Diameter | 8.0mm (Hardened Steel, D-cut) |
| Weight | 184g |
| Mounting | 40×40mm / M5 Threads (4-point) |
| Dimensions | Ø37mm × 48mm (Stator Diameter × Height) |
• Helicopter Optimization: Compatible with 550-700 size main gear systems
• High Starting Torque: 0-20k RPM acceleration in 0.12 seconds
• Precision Balancing: Titanium-reinforced rotor with <0.02g·mm imbalance
• Dual-Cooling System: Radial vents + axial airflow channels
• Scooter-Ready: Sealed construction for dust/moisture protection
| Application | Voltage | Load | Output |
| RC Helicopter (600) | 22.2V (6S) | 12° pitch | 3200 RPM |
| 3D Aerobatics | 18.5V (5S) | 115T main gear | 0-45k RPM in 0.15s |
| Electric Scooter | 30V DC | 10" wheel | 45 km/h |
| E-Bike Hub Motor | 30V DC | 20" wheel | 32 km/h |
• 550-700 size collective pitch helicopters
• Scale helicopter conversions
• 3D aerobatic competition models
• Compact commuter scooters (250-500W)
• E-bike hub motor conversions
• Lightweight electric skateboards
• Industrial drum motors
• Conveyor belt drives
• Pump and compressor systems
• Continuous Operation: ≤80°C @ 25°C ambient (15-sec burst to 95°C)
• Thermal Management: Maintains <90°C at 85% load with airflow
• Cooling Requirements: Minimum 5m/s airflow (forced cooling for scooters)
• Storage Conditions: -20°C to +70°C, <80% RH
