Product Description

From 2010 when Scorpion HKIII-40 series was released, a lot of feedback by World Champions and pilots in all facets of the hobby were received that they have well established themselves as the Gold Standard of R/C Helicopter 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 many helicopters world-wide.

And now we are pleased to announce the release of the fourth generation (HK4) 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!

Includes: Hardware pack(as shown in photo below)