Leomotion L4031-2550 6.7:1 347g
Description
The Leomotion L4031-2550 6.7:1 is a very powerful electric motor for scale models, triangle racers and other larger models.Weight including P32 gearbox is 337 g and the motor is capable of approx 2500W for 15 seconds on a 6S LiPo battery. It should be used with a 6S LiPo and 17x10 or 18x10 prop.
- Very powerful motor
- Can be used on up to 7S LiPo batteries
- Dynamically balanced 4 pole rotor
- Hand wound stator
- Carbon fiber reinforced rotor for max. 60,000 rpm
- 6 mm shaft for perfect rotation
- High end ball bearing
- Geared 6.7:1 for high propulsive efficiency
| Leomotion L4031-2550 6.7:1 Specifications | ||
|---|---|---|
| Motor name | Leomotion L4031-2550 geared inrunner | |
| Motor+GB weight | 347 g | 12.24 oz |
| Motor diameter | 39.5 mm | 1.56 in |
| Motor+GB length | 78.1 mm | 3.07 in |
| Lead length | 3.5 cm | 1.38 in |
| Shaft diameter | 6.0 mm | 0.24 in |
| Mounting info | 4 M3 holes on a 25 mm diameter circle | |
| No of poles | 4 | |
| Manufacturer's Rm | 6 mR | |
| Manufacturer's Kv | 2550 RPM/V | |
| Geared Kv | 381 RPM/V | |
| Est Io | 2.3 A @ 10V | |
| Max efficiency (20 V) | 95 % @ 88 A | |
| Operating efficiency (20V) | 94 % @ 131 A | |
| Motor+gearbox Km | 324 Nm/W^.5 X1000 | |
| Motor+gearbox Km/Kg | 933 Nm/(W^.5 Kg) | |
| Usable batteries | 4S to 7S LiPo | |
| Recommended LiPo | 6S 5Ah LiPo | |
| Supplied accessories | 4 mounting screws | |
| Gearbox Ratio | 6.7 | |
| Planet bearings | Needle bearings | |
| Estimated GB efficiency | 98 % | |
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