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Home🏬Classified✈️Aircraft🚁Helicoptere-Classifieds - ESC & Motor Sold  NIB Scorpion HKIII III 4035-500 KV motor
01-27-2016 03:59 AM  3 years ago
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NIB Scorpion HKIII III 4035-500 KV motor
Selling New in Box Sealed Scorpion HKIII 4035 -500 KV motor.

Asking $160.00 shipped priority
Paypal -

The Scorpion HKIII-4035 motors represent the most technologically advanced power system ever developed for use in 700-Class electric helicopters. These motors are designed to provide all the power that you can use, while still maintaining excellent efficiency and cool running characteristics. The HKIII-4035-500 motor features a new patented rotor can that provides several benefits. First, it is thicker for more stability at higher speeds, and this also helps to retain more of the magnetic field for higher efficiency. Second, the outer surface of the rotor can features a new spiral rib pattern that increases surface area and helps to move air around the motor for increased cooling and lower operating temperatures.

There are several changes in the new HKIII-4035 Series motors that were made in response to requests from customers over the past couple years. These changes include:

1. Longer shaft to allow for the use of additional support bearings on the other side of the pinion gear.
2. A flat area pre-cut into the shaft for the set-screw on your pinion gear.
3. Larger 4mm threaded mounting holes for more secure mounting.
4. Dual mounting hole pattern with both 25mm and 30mm hole spacings.

In addition to the mechanical changes to these motors, changes in metalurgy in the stator assembly and rotor can have increased the overall efficiency. This allows the motor to handle higher currents while developing more torque and more power that will allow your 700-Class helicopter to perform like never before.
Scorpion HKIII-4035-500 Motor Specifications
Stator Diameter 40.0 mm (1.575 in)
Stator Thickness 35 mm (1.024 in)
Number of Stator Slots 12
Number of Magnet Poles 10
Motor Wind 9 Turn Delta
Motor Wire 21-Strand 0.29mm
Motor Kv Value 500 RPM per Volt
No Load Current (Io) 2.02 Amps @ 10 Volts
Motor Resistance (Rm) per Phase 0.016 Ohms
Maximum Continuous Current 84 Amps
Max Continuous Power (8-cell Li-Po) 3500 Watts
Motor Weight 460 grams (16.22 oz.)
Outside Diameter 49.98 mm (1.97 in.)
Shaft Diameter 5.98 mm (0.24 in.)
Motor Body Length 61.8 mm (2.43 in.)
Overall Shaft Length 100.0 mm (3.93 in.)
Max LiPo Cell 12s
Peak Current 104 Amps (5 seconds)
Peak Continuous Power 4600 Watts (5 seconds)
Motor Timing 5deg
Drive Frequency 8kHz

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