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 Product Name
Scorpion HK-5020-450 Brushless Helicopter Motor
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Scorpion HK-5020-450 Brushless Helicopter Motor
[5020-450]
This product was added to our catalog on Saturday 23 June, 2018.
Item Price:
$259.99

Stock:



 



Item Description
Scorpion HK-5020-450 Brushless Motor, Kv=450

Scorpion HK-5020-450 Brushless Helicopter Motor

The Scorpion HK-5020-450 motor is designed for 700 class Electric Helicopters, and for people that want to convert their .90 size glow helicopter to electric power. This motor has a maximum continuous power rating of 3770 watts at 85 amps, and a peak power rating of 5320 watts at 120 amps! The larger diameter 50mm stator allows these motors to produce insane amounts of torque. To handle all of this power, the Scorpion HK-5020-450 motor features a massive 10mm main shaft that is precision ground down to 6mm at the pinion end. This allows the use of over-size main bearings, and still be able to fit the stock 700 class pinion gears that have a 6mm bore.

Scorpion HK-5020 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 all hand-wound to insure the highest copper fill rate with wire that is rated at 180 degrees C (356 F), and high voltage tested to insure that no shorts are present. The high temperature magnets used in Scorpion Motors are designed to give top performance in the most demanding applications.

Since there is a wide variety of high power connectors available,the Scorpion HK-5020 series motors come with pre-tinned leads with no connectors attached, leaving the user free to select their favorite style connector. For maximum strength, the Scorpion HK-5020 series motors feature a massive 10mm motor shaft that is ground down to a 6mm diameter at the output end to fit standard size pinion gears.

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.

Scorpion HK-5020-450 Motor Specifications
Stator Diameter 50.0 mm (1.969 in)
Stator Thickness 20.0 mm (0.787 in)
Number of Stator Slots 12
Number of Magnet Poles 10
Motor Wind 16 Turn Delta
Motor Kv Value 450 RPM per Volt
No Load Current (Io) 1.21 Amps @ 10 Volts
Motor Resistance (Rm) per Phase 0.029 Ohms
Motor Resistance (Rm) Phase to Phase 0.019 Ohms
Maximum Continuous Current 85 Amps
Max Continuous Power (10-cell Li-Po) 3150 Watts
Max Continuous Power (12-cell Li-Po) 3770 Watts
Motor Weight 445 grams (15.68 oz.)
Outside Diameter 59.8 mm (2.354 in.)
Shaft Diameter 6.00 mm (0.236 in.)
Motor Body Length 51.0 mm (2.008 in.)
Overall Shaft Length 84.6 mm (3.331 in.)


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