HKIII-5025-440 Scorpion HKIII-5025-440KV MOTOR

HKIII-5025-440 Scorpion HKIII-5025-440KV MOTOR
SKU: HKIII-5025-440
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289,99 €

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Scorpion HKIII-5025-440KV New [hkiii_5025_440]

The Scorpion HKIII-5025-440 motor is mainly designed for Logo 600 SE and also for people that want to convert their .90 size glow helicopter to electric power. This motor has a maximum continuous power rating of 4200 watts at 95 amps, and a peak power rating of 5700 watts at 130 amps! The larger diameter 50mm stator allows these motors to produce insane amounts of torque.

Scorpion HK Series Brushless Motors are built from the best materials available, and are designed to provide both quality and performance at an affordable price. Scorpion starts with high quality aluminum alloy parts that are produced on the latest CNC milling machines. These parts are then gold anodized to provide a beautiful, long-lasting finish. The stators are made with 0.2mm laminations to give maximum efficiency, and minimum Eddy current losses. The stators are epoxy coated to prevent shorts, and are wound with wire that is rated at 180 degrees C (356 F). The magnets used in Scorpion Motors are rated for operation at 200 degrees C (392 F), making a motor that is virtually impossible to burn up in normal use.

Scorpion Motors are built to last, and are backed with a 2-Year warranty against defects in materials or workmanship. However, due to the high RPM of these motors, and the fact that we cannot control the installation and setup, the bearings are not covered by the 2-Year warranty, nor is any subsequent damage caused to the motor by a bearing failure. Bearings are a normal wear item, and as such, need to be maintained and changed periodically. For maximum life, make sure that a sufficient gap is left between the pinion and main gear during motor installation to avoid binding, and put a small drop of oil on each bearing every 5-6 flights. It is the responsibility of the pilot to ensure that the bearings are maintained properly.

For the best overall combination of quality, performance, and value, use Scorpion Motors in your helicopter!


Stator Diameter 50 mm (1.56 in)
Stator Thickness 25 mm (0.79 in)
No. of Stator Arms 12
Magnet Poles 10
Motor Wind 12 Turn Delta
Motor Wire 19-Strand 0.33 mm
Motor Kv 440KV RPM / Volt
No-Load Current (Io/10V) 1.15 Amps
Motor Resistance (Rm) 0.015 Ohms
Max Continuous Current 95 Amps
Max Continuous Power 4200 Watts
Weight 566 Grams (19.96 oz)
Outside Diameter 62.1 mm (2.44 in)
Shaft Diameter 5.98 mm (0.24 in)
Body Length 58.7 mm (2.31 in)
Overall Shaft Length 104.30 mm (4.11 in)
Max Lipo Cell 12s
Peak Current 120A (5 seconds)
Peak Power 5320 Watts (5 seconds)
Motor Timing 5deg
Drive Frequency 8kHz

Included in the Box

1 x Scorpion HK-5025-440KV
4 x Screws

* Gold connectors are not soldered nor included

Weight including packaging: 566g
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