Product overview
The Scorpion SII-4025-520KV motor is intended for aerobatic airplanes in the 67-68" range operating on a 6s battery, as well as sport planes weighing 8-15lb. Its recommended setup pairs the motor with a Tribunus II 06-120A SBEC ESC, a 6s 3500-5000mah battery and a 17x10E or 18x8E propeller. The motor has a speed constant of 520 RPM / Volt, a maximum continuous current of 100 Amps and a maximum continuous power of 2000 Watts.
The motor incorporates a 40.0 mm stator with 25.0 mm thickness, 12 stator arms and 14 magnet poles. Its 11 Turn Delta winding uses 26-Strand 0.25mm wire. The body measures 48.9 mm in outside diameter and 54.1 mm in length, with a 5.98 mm shaft diameter, 85 mm overall shaft length and M8*1.0 adapter thread. Motor weight is 353 Grams. Electrical characteristics include 0.016 Ohms resistance and 1.40 Amps no-load current at 10 v, with 5deg motor timing and an 8kHz drive frequency.




