Scorpion Airplane Freestyle A-series Motor A-4220-540kv

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!

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