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Scorpion HKIV-4020-860kv (5mm) - GAUI X5 / X5L

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Product Description

Scorpion HKIV-4020-860kv V4 Brushless Motor (w/5mm shaft) - GAUI X5 / X5L

  • Perfect for the GAUI X5, X5 V2 and X5 Stretch
  • Shaft is for 5mm pinions


Product Description

in 2010 when Scorpion HKIII-40 series was released, a lot of feedback by World Champions and pilots in all facets of the hobby are received that they have well established themselves as the Gold Standard of R/C model power!

The HKIII-4020 series motors have proven themselves to be extremely successful in heli community, and has become the most popular motor used in 400mm~520mm class helicopters world-wide.

And now we are pleased to announce the release of the forth generation HKIV-4020 series motors. With the same motor design and materials of HKII-45 series, and single strand winding technique on this size of motor, it has the better efficiency and power conversion than HKIII-40 series, with an entirely new EM field design, while improving the compatibility with various speed controllers available on the market. This new design motor will deliver even more power to your helicopter, with increased efficiency!

Scorpion HKIV-4020-860KV


Stator Diameter 40 mm(1.57 in)
Stator Thickness 20 mm(0.79 in)
No. of Stator Arms 12
Magnet Poles 10
Motor Wind 5+5 Turn Delta
Motor Wire 1-Strand 1.4mm
Motor Kv 860KV RPM/Volt
No-Load Current (IO/10v) 2.67 Amps
Motor Resistance (RM) 0.012 Ohms
Max Continuous Current 78 Amps
Max Continuous Power 1732 Watts
Weight 310 Grams (10.94 oz)
Outside Diameter 49.50 mm (1.95 in)
Shaft Diameter 4.98 mm (0.20 in)
Body Length 49.2 mm (1.94 in)
Overall Shaft Length 80 mm (3.15 in)
Max Lipo Cell 6s
Peak Continuous Current 90 Amps (5 seconds)
Peak Continuous Power 1998 Watts (5 seconds)
Motor Timing 5deg
Drive Frequency 8kHz

Included in the Box

1 x Scorpion HKIV-4020-860KV Motor
3 x Female Connectors
3 x Connector Cover
4 x M3 Screws

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