SCORPION HKII-4525-520KV ULTIME
SCORPION HKII-4525-520KV ULTIME
Highlight! 12S 700 Helicopter Class Brushless Electric Motor - the NEW HKII-4525-520 raises the bar even higher and redefines power for 700 helicopters!
SCORPION HKII-4525-520KV ULTIME
Highlight! 12S 700 Helicopter Class Brushless Electric Motor - the NEW HKII-4525-520 raises the bar even higher and redefines power for 700 helicopters!
Scorpion HKII-4525-520 KV - ULTIMATE
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The second generation of the 4525 series (replaces the HK-4525-520)
The new HKII-4525-520KV ULTIMATE brushless motor is wound with a single
strand of 1.4mm wire for maximum efficiency.
This latest generation motor is capable of continuous operation with an input
power of 4450 watts at 100 amps and handles peak currents of 10200 watts
and 230 A (max. 2 seconds).
With the HKII-4525-520kV Ultimate we have once again raised the bar and
are redefining power for 700 helicopters!
Technical specifications:
scorpion-hkii-4525-520.jpg Stator diameter: 45 mm (1.77 in)
Stator thickness: 25 mm (0.98 in)
No. stator arms: 12
No. number of stator poles: 10
Motor wind: 5 + 6T YY
Motor wire: 1 strand of 1.4mm
Motor Kv: 520 KV rpm / volt
No-load current (Io / 10V): 1.81 amps
Motor Resistance (RM): 0.012 Ohms
Maximum continuous current: 100 amps
Maximum continuous power: 4450 watts
Weight: 526 grams (18.55 oz)
Outside Diameter: 56.9 mm (2.24 inches)
Shaft diameter: 5.98 mm (0.24 in)
Body Length: 57.7mm (2.27inch)
Total shaft length: 112 mm (4.41 inches)
Max Lipo Cell: 12s
Maximum peak current: 230 A (2 seconds)
Maximum peak power: 10,200 watts (2 seconds)
Engine timing: 5 deg to 15 deg
Drive frequency: 8kHz
The popular Limited Edition HK-4525-520kV Scorpion Motor has been
available since September 2010. The HK-4525 is the performance
benchmark for 700-class helicopters.
In April 2012, eighteen months later, Scorpion presented the enhanced
edition HK-4525 Ultimate to the public. This engine is one of
most popular engines in 700cc helicopter competitions around the world.
Many other manufacturers have tried to hold a spark plug to the engine,
but none have succeeded. Even Scorpion tried to improve the engine and
failed for a long time.
Now 5 years later, we are proud to present the HKII-4525-520kV Ultimate.
By improving the materials and design of the motor, we have succeeded
in improving the efficiency and energy conversion of electricity into
rotary motion.
The HKII offers a completely revised EM field design while maintaining
its high level of compatibility with all controllers on the market.
This new engine has more power reserves with higher efficiency for
your helicopter.
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