Scorpion HKIV-4035-520kv : HKIV_4035_520

From 2010 when Scorpion HKIII-40 series is 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-4035 series motors have proven themselves to be extremely successful in heli community and has become the most popular motor used in 600 ~ 700 class helicopters world-wide.

And now we are pleased to announce the release of the fourth generation HKIV-4035 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!

With this motor Hiroki Ito won the FAI F3C Japan Champion 2019.

Specifications

Stator Diameter : 40mm (1.57 in)

Stator Thickness : 35mm (1.024 in)

No. of Stator Arms : 12

Magnet Poles : 10

Motor Wind : 5+6 2Y

Motor Wire : 1-Strand 1.35mm

Motor Kv : 520KV RPM / Volt

No-Load Current (IO/10v) : 2.1 Amps @ 10v

Motor Resistance (RM) : 0.016 Ohms

Max Continuous Current : 84 Amps

Max Continuous Power : 3729 Watts

Weight : 456 Grams (16.09 oz)

Outside Diameter : 49.5mm (1.95 in)

Shaft Diameter : 5.98mm (0.235 in)

Body Length : 64mm (2.52 in)

Overall Shaft Length : 102.4mm (4.03 in)

Max Lipo Cell : 12s

Peak Continuous Current : 104 (5 seconds)

Peak Continuous Power : 4617 Watts (5 seconds)

Motor Timing : 5deg

Drive Frequency : 8kHz

Included in the Box

1 x Scorpion HKIV-4035-500KV Motor

3 x Female Connectors

3 x Connector Cover

4 x M4 Screws