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Scorpion Competition Series HKIII-4020-1100kv 500 Heli Outrunner


Motor Kv1100 RPM / Volt
Recommended Timing5 Degrees
Recommended PWM Frequency8Khz
Max Continuous Current78 Amps
Max Continuous Power1640 Watts
Peak Current (5 Seconds)90 Amps
Peak Power (5 Seconds)1890 Watts
Motor Resistance (Rm)0.008 Ohms
Stator Diameter40.0 mm
Stator Thickness20.0 mm
Motor Wind3-4 Turn Delta
Motor Wire24-Strand 29Awg
Outside Diameter49.9 mm
Shaft Diameter4.98 mm
Body Length46.8 mm
Overall Shaft Length78.7 mm
Weight302g

Specs:, Max Li-Po Cell Count:6s, No-Load Current (Io):, 3.15 Amps @ 10 volts, No. of Stator Arms:12, No. of Magnet Poles:10,

The Scorpion HKIII-4020 motors follows in the footsteps of the HK-4020-1100 model which re-wrote the book on power for helicopter models, the HKIII-4020-1100 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.
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 ...


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Found 5 years, 4 months ago at HobbyKing



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