Scorpion HKIV-4025-520KV Brushless Motor # HKIV-4025-520KV

SCORPION HKIV-4025-520 KV

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-4020 series motors have proven themselves to be extremely successful in heli community, and has become the most popular motor used in 400-500 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!

Specifications
Stator Diameter: 40 mm(1.57 in)
Stator Thickness: 25 mm
No. of Stator Arms: 12
Magnet Poles: 10
Motor Wind: 6+7 Turn Delta
Motor Wire: 1-Strand 1.2mm
Motor Kv 520KV RPM/Volt
No-Load Current (IO/10v): 1,81 Amps
Motor Resistance (RM): 0.022 Ohms
Max Continuous Current: 65 Amps
Max Continuous Power: 2886 Watts
Weight: 347 Grams (10.58 oz)
Outside Diameter: 49.50 mm (1.95 in)
Shaft Diameter: 5.98 mm (0.20 in)
Body Length: 54mm
Overall Shaft Length: 84,6mm
Max Lipo Cell: 12s
Peak Continuous Current: 90 Amps (5 seconds)
Peak Continuous Power: 3996 Watts (5 seconds)
Motor Timing: 5deg
Drive Frequency: 8kHz

Included in the Box
1 x Scorpion HKIV-4025-520KV Motor
3 x Female Connectors
3 x Connector Cover
4 x M3 Screws
4 x M4 Screws