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Big Motors > AirDrive (Drones/Fixed-wing)
The C2826 920KV brushless motor delivers high-torque, efficient performance for fixed-wing aircraft, multirotor drones, and gliders. Engineered with a robust external rotor design and precision-balanced components, it provides exceptional thrust-to-weight ratio and thermal stability. The motor's optimized electromagnetic circuit ensures smooth operation across a wide speed range, making it ideal for sustained flights requiring reliable power delivery and low vibration in aerial platforms and EDF systems:cite[1]:cite[3].
| Parameter | Specification |
| Motor Type | 3-Phase Sensorless BLDC (External Rotor) |
| Protection Rating | IP54 (Dust & Splash Protected) |
| Rated Voltage | 3S-6S LiPo (11.1V) |
| Continuous Power | 81W @ 11.1V |
| Max Torque | 1.6Nm (Peak) / 1.0Nm (Continuous) |
| Speed Range | 3,500–45,000 RPM (ESC Adjustable) |
| KV Rating | 920-1290 RPM/V |
| Phase Resistance | 0.028Ω (Phase-to-Phase) |
| Shaft Diameter | 5.0mm (Hardened Steel) |
| Weight | 51g |
| Mounting | 25×25mm / M4 Threads (4-point) |
| Dimensions | Ø35mm × 26mm (Stator Diameter × Height) |
• High-Torque Design: Optimized for large propellers (12"–14") and EDF units:cite[1]:cite[6]
• Precision Balancing: <0.02g·mm dynamic imbalance for minimal vibration:cite[1]
• Enhanced Cooling: Aluminum housing with axial vents; maintains >85% efficiency under continuous load:cite[1]:cite[3]
• Dual-Bearing System: Stainless steel + ceramic hybrid bearings (model: 685ZZ) for high-RPM durability:cite[1]
• Industrial-Grade Materials: N48H arc magnets, 0.2mm JNEH1200 silicon steel laminations, and 180°C high-temp windings:cite[1]
| Application | Voltage | Propeller/EDF | Thrust | Efficiency | Current |
| Fixed-Wing Glider | 11.1V (4S) | 13×6.5" folding | 2,550g | 87% | 16A |
| Multirotor Drone | 11.1V (6S) | 12×4.5" carbon | 2,850g | 89% | 36.8A |
| EDF Jet Unit | 11.1V (4S) | 70mm ducted fan | 1.8kg | 82% | 48A |
| 3D Aerobatics | 11.1V (3S) | 14×7" slow-fly | 1,950g | 85% | 28.1A |
• Gliders & Sailplanes: 1.2–2.5m wingspan thermal soarers:cite[7]
• 3D Aerobatic Planes: 800–2,300g weight class (e.g., 30E models):cite[1]:cite[7]
• Scale Warbirds: High-torque setups for scale propeller systems
• Heavy-lift cinematic drones (payload capacity: 1.5–2.5kg)
• Agricultural spraying UAVs requiring sustained hover
• 70–90mm EDF jet propulsion units
• Industrial inspection drones with extended flight time
• Continuous Operation: ≤75°C @ 25°C ambient (30-sec burst to 95°C):cite[1]
• Cooling Requirements: Minimum 4m/s airflow; passive cooling sufficient for gliders
• Thermal Protection: Auto-shutdown at 120°C winding temperature
• Storage Conditions: -30°C to +85°C, <80% RH
