T-MOTOR U15XL KV38 Big Drone Motor for Manned UAV
T-MOTOR U15XL KV38 BLDC motor delivers up to 81kg thrust, engineered for enhanced heavy-lift UAVs and manned aircraft. With 3550 W rated power, it provides stronger output and reliable performance for demanding missions such as logistics transport and emergency rescue.
Key Features
- High Thrust – up to 81kg for heavy-lift applications
- Powerful Output – 3550 W rated power with strong load capacity
- Stable & Reliable – consistent performance under high load
- Industrial-Grade Use – ideal for logistics, rescue, and aerial operations
- Optimized Compatibility – supports matched propulsion systems
Recommended Kit

| Specifications-U15XL KV38 | |||
| Motor Item | U15XL KV38 | Weight (Incl. Cable) | 4408g |
| Motor Dimensions | Φ151.5*96mm | Internal Resistance | 17mΩ |
| Lead | Enameled Wire200mm | Configuration | 36N42P |
| Shaft Diameter | 25mm | Rated Voltage(Lipo) | 24S |
| Idle Current(10V) | 3.5A | Peak Current(120s) | 180A |
| Rated Power | 3550W | ||
|
Test Data |
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| Type | Propeller | Throttle | Voltage (V) |
Thrust (g) |
Torque (N*m) |
Current (A) |
RPM | Power (W) |
Efficiency (g/W) |
Operating |
|
U15XL KV38 |
52*20“ | 30% | 99 | 10959 | 6.78 | 10.84 | 1143 | 1069 | 10.30 | 187 (Ambient Temperature: 32℃) |
| 35% | 98 | 14276 | 8.70 | 14.85 | 1266 | 1461 | 9.80 | |||
| 40% | 98 | 18040 | 10.94 | 20.22 | 1443 | 1987 | 9.10 | |||
| 45% | 98 | 23169 | 14.01 | 28.12 | 1596 | 2763 | 8.40 | |||
| 50% | 98 | 30435 | 18.46 | 41.30 | 1836 | 4052 | 7.50 | |||
| 55% | 98 | 36786 | 22.44 | 53.89 | 1986 | 5275 | 7.00 | |||
| 60% | 98 | 41234 | 25.14 | 63.26 | 2133 | 6190 | 6.70 | |||
| 65% | 98 | 44955 | 27.46 | 71.78 | 2223 | 7017 | 6.40 | |||
| 70% | 98 | 51254 | 31.33 | 86.70 | 2345 | 8453 | 6.10 | |||
| 75% | 97 | 56362 | 34.55 | 100.06 | 2466 | 9754 | 5.80 | |||
| 80% | 97 | 61101 | 37.45 | 112.78 | 2556 | 10957 | 5.60 | |||
| 85% | 97 | 71194 | 43.99 | 142.56 | 2712 | 13773 | 5.20 | |||
| 90% | 97 | 74366 | 46.07 | 152.84 | 2796 | 14787 | 5.00 | |||
| 95% | 97 | 77953 | 48.23 | 163.70 | 2872 | 15835 | 4.90 | |||
| 100% | 96 | 81206 | 50.40 | 175.08 | 2910 | 16888 | 4.80 | |||
| Note: Temperature is motor coiling temperature at 100% throttle running 2mins. (Date above based on benchtest are for reference only, comparion with that of other motor types is not recommended.) |
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