Scorpion HKIV-4025-520KV Brushless Motor

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HKIV-4025-520
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Product Description 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-4025 series motors have proven themselves to be...

Product Description

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-4025 series motors have proven themselves to be extremely successful in heli community and has become the most popular motor used in 500~600 class helicopters world-wide.

And now we are pleased to announce the release of the fourth generation HKIV-4025 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-4025-520KV

Specifications

Scorpion HKIV-4025-520 Motor Specifications
Stator Diameter
40.0 mm (1.575 in)
Stator Thickness
25 mm (0.984 in)
Number of Stator Slots
12
Number of Magnet Poles
10
Motor Wind
6+7 Turn Delta
Motor Wire
1-Strand 1.20mm
Motor Kv Value
520 RPM per Volt
No Load Current (Io)
1.81 Amps @ 10 Volts
Motor Resistance (Rm) per Phase
0.022 Ohms
Maximum Continuous Current
65 Amps
Max Continuous Power (12-cell Li-Po)
2886 Watts
Motor Weight
347 grams (12.24 oz.)
Outside Diameter
49.50 mm (1.95 in.)
Shaft Diameter
5.98 mm (0.235 in.)
Shaft Length, From Mounting Face
30.6 mm (1.20 in.)
Motor Body Length
54.0 mm (2.13 in.)
Overall Shaft Length
84.6 mm (3.33 in.)
Max LiPo Cell
12s
Peak 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

Weight including packaging

754g

Type: 

Heli Motors

Vendor: 

Scorpion Power Systems

SKU: 

HKIV-4025-520

Weight: 

1.5 lb


Product Spare Parts


Electronics

Customer Reviews

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B
B.H.
scorpion hkv-4025-520kv brushless motor

i have not had a chance to finish this heli project yet when i do ill send a true review. all of the components i bought from you guys looks real good thank you