Scorpion HK-4015-1070 Brushless Motor (2450W, 1070kV)
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This is the Scorpion HK-4015-1070 Brushless Motor. The Scorpion HK-4015-1070kV motors have been developed for the 500 class electric helicopters with 425 to 450mm blades and 8S LiPo battery power setups. These motors are designed to provide all the power that you can use, while still maintaining excellent efficiency and cool running characteristics.
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.
All Scorpion HK-4015 series motors come with 4mm male Bullet style connectors already attached, and include a hardware package that contains 3 matching female Bullet connectors for your speed controller with matching heat shrink tubing. For maximum strength, the Scorpion HK-4015 series motors feature an 8mm motor shaft that is ground down to a 5mm diameter at the output end to fit standard size pinion gears. Since the HK series motors are primarily designed for Helicopter and Ducted Fan use, they do not include a prop adapter. If you intend on running a prop on this motor, you will need to purchase a prop adapter for a 5mm shaft.
Scorpion Motors are built to last, and are backed with a 2-Year manufacture 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 manufacture 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.
Stator Diameter: 40 mm (1.56 in)
Stator Thickness: 15 mm (0.59 in)
No. of Stator Arms: 12
Magnet Poles: 8
Motor Wind: 12 Turn Delta
Motor Wire: 20-Strand 0.25mm
Motor kV: 1070kV RPM/Volt
No-Load Current (IO/10v): 2.02 Amps
Motor Resistance (RM): 0.019 Ohms
Max Continuous Current: 65 Amps
Max Continuous Power: 1900 Watts
Weight: 215 Grams (7.58 oz)
Outside Diameter: 48.9 mm (1.9 in)
Shaft Diameter: 4.98 mm (0.19 in)
Body Length: 41.5 mm (1.63 in)
Overall Shaft Length: 73.7 mm (2.9 in)
Max LiPo Cell: 8S
Max Peak Current: 85A (5 seconds)
Max Peak Power: 2450 Watts (5 seconds)
Motor Timing: 5deg
Drive Frequency: 8kHz
This product was added to our catalog on February 12, 2013