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Scorpion HK-4535-500kv (8mm) Limited Edition

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SKU: HK-4535-500
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  • Scorpion Competition 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 electro-coated 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 custom manufactured to be able to withstand high temperatures, 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!


Scorpion HK-4535-450kv (8mm) LE Specifications
Stator Diameter 45.0 mm (1.77 in)
Stator Thickness 35.0 mm (1.38 in)
Number of Stator Arms 12
Number of Magnet Poles 10
Motor Wind 5T+5T in double Wye (YY)
Motor Wire 1-Strand 1.5mm
Motor Kv Value 450 RPM per Volt
No Load Current (Io) 1.84 Amps @ 10 Volts
Motor Resistance (Rm) per Phase 0.012 Ohms
Maximum Continuous Current 100 Amps
Max Continuous Power (8-cell Li-Po) 5180 Watts
Motor Weight 660 grams (23.27 oz.)
Outside Diameter 56.7 mm (2.23 in.)
Shaft Diameter 7.98 mm (0.37 in.)
Motor Body Length 67.0 mm (2.63 in.)
Overall Shaft Length 122.3 mm (4.81 in.)
Max LiPo Cell 14s
Peak Current 150 Amps (2 seconds)
Peak Continuous Power 7770 Watts (2 seconds)
Motor Timing 18deg to 24deg
Drive Frequency 8kHz