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- Stock: In Stock
- Brand: Scorpion
- Model: A_4220_540_V2
- Weight: 464.00g
- Dimensions: 14.50cm x 10.50cm x 6.50cm
The Scorpion A - Series line of motors was designed to be the most optimal and premier choice of motor for your freestyle or UAV airplane. We have achieved incredible performance through incredible efficiency. By optimizing the magnets in the rotor, and using the best quality 0.2mm thickness silicon steel stator sheets, and enamel coated copper wire windings rated above 200C+, the performance and efficiency results are unlike anything we have seen before! Combined with a robust design which has been tested extensively by our world class team pilots for longevity and reliability, we feel this motor checks and exceeds all measurable categories!
Full Dimension
Specifications
| Motor Kv | 540 RPM / Volt |
| Weight (Motor only) | 288g ( 10.16oz) |
| Weight (including mount + Prop mount accessories) | 336g (11.85 oz) |
| Motor Body Dimensions | 45.8mm x 50.7mm (+12.0mm prop spacer) (1.80" x 2.00" (+ 0.47") ) |
| External Shaft Diameter | 8mm |
| Continuous Current | 90A |
| Continuous Power | 2000 Watts |
| Peak Current* | 115A |
| Peak Power* | 2553 Watts |
| Max Rated Lipo Cell** | 6s |
| Stator Diameter | 42.0 mm (1.65in) |
| Stator Thickness | 25 mm (0.98in) |
| No. of Stator Arms | 12 |
| Magnet Poles | 14 |
| Motor Wind | 5T Delta |
| Motor Wire | 23-Strand x 0.29mm |
| No-Load Current (IO/15V) | 1.54 Amps |
| Motor Internal Resistance (phase-phase) | 18.2 mΩ |
| Motor Inductance (phase-phase) @ 1khz | 10µH |
| *Our ratings are classified as TRUTHFUL. Continuous Current / Power correlates to actual sustainable power levels. Peak Power is for intermittent full throttle usage ranging from 5 - 60 seconds depending on use case and cooling* | |
| **Higher Cell Count possible with smaller prop usage** | |
Performance Charts
Use Case Applications
Included in the Box
1 x Scorpion A-4220 BLDC Motor
1 x A-42 Cross Mount (stock)
4 x M4 Cross Mount Mounting Bolts
3 x Female 4mm Connectors
3 x Heat Shrink
12 x 4x16x1 Thrust Shims
1 x M8 Nut + Prop Washer
3 x Scorpion Stickers
Weight including packaging
464g
