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Scorpion HKIII-4020-1350 Brushless Motor (1890W, 1350kV)
[SCP-HK3-4020-1350]

    MAP Price: $189.99
Scorpion HKIII-4020-1350 Brushless Motor (1890W, 1350kV)
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This is the Scorpion HKIII-4020-1350 Brushless Motor. The HKIII-4020 Series Motor is designed for use with 550 class helicopters running on 6 to 8-cell Li-Po power. This motor represents the most technologically advanced power source available for a 550 class electric helicopter.

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 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 Scorpion 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.

Specifications:
Stator Diameter: 40mm (1.56")
Stator Thickness: 20mm (0.79")
No. of Stator Arms: 12
Magnet Poles: 10
Motor Wind: 2T/3T Delta
Motor Wire: 26 - Strand 0.29mm
Motor Kv: 1350KV RPM / Volt
No-Load Current (IO): 3.94 Amps @ 10v
Motor Resistance (RM): 0.007 Ohms
Max Continuous Current: 90 Amps
Max Continuous Power: 1890 Watts
Weight: 302 Grams (10.65 oz)
Outside Diameter: 49.98mm (1.97")
Shaft Diameter: 4.98mm (0.20")
Body Length: 46.8mm (1.84")
Overall Shaft Length: 78.7mm (3.10")
Max Lipo Cell: 6s
Peak Current: 105A (5 seconds)
Peak Power: 2200 Watts (5 seconds)
Motor Timing: 5
Drive Frequency: 8kHz
Weight including packaging: 460g 

Part Compatibility:
  • Align T-Rex 550 
  • Align T-Rex 500 
  • Scorpion HKIII-4020-1350 Brushless Motor (1890W, 1350kV)
    Click to enlarge
    Scorpion HKIII-4020-1350 Brushless Motor (1890W, 1350kV)
    Click to enlarge
    This product was added to our catalog on Thursday, June 07, 2012.
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