Scorpion HK5-4020-850kv
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Scorpion HK5-4020-850kv

209,90 CHF TTC 194,17 CHF (HT)
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Scorpion HK5-4020-850kv


We introduce the fifth generation of Scorpion's renowned and award winning "HK - Series" motors. The Scorpion "HK5 - Series"

The HK5 Series lives up to and exceeds our standards of the most Powerful and Efficient motors, with market leading Torque per Amp capabilities. In addition, on the HK5 series we focused specifically on motor cooling and motor temperature. With an all new Internal Fan design, combined with our proven external centrifugal fan, we have nearly doubled the amount of airflow passing through the motor. The result is much improved cooling, and cooler operating temperatures.

The HK5-4020-850kv is designed primarily for the SAB RAW 500 helicopter based on the guidelines set forth by SAB Factory directly.




Motor Kv 850KV RPM/Volt

Weight 325.6g Grams ( 11.48oz)

Motor Body Dimensions 49.5mm x 52.00mm (1.95" x 2.05")

External Shaft Dimensions 5.98mm x 32mm (0.235" x 1.26")

Continuous Current 85 Amps

Continuous Power 1900 Watts

Peak Current 120A (2 seconds)

Peak Power 2664 Watts (2 seconds)

Max Lipo Cell* 6s

Stator Diameter 40 mm (1.57 in)

Stator Thickness 20 mm (0.79 in)

No. of Stator Arms 12

No. of Stator Poles 10

Motor Wind 5+5 Turn Delta

Motor Wire 1.4mm




1 x HK5-4020 BLDC Motor

3 x Female 4mm Connectors

3 x Heat Shrink

1 x Hardware / Accessory Pack

Scorpion HK5-4020-850kv
0.50 kg
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