A50 Electric Turbine A50 12L Kv (rpm/V) 640 Max Power (W) 3000W Max Amp (15sec) 90A Max Efficiency 89% Io (No load A) 1.3A Rm (Resistance) 0.018Ohm Shaft Diameter 6mm Gearbox N/A Motor Diameter 55mm Motor Length 79mm Motor Weight 465g Built in Fan Yes Max Rpm 35,000 Poles 8 Case Smooth ESC Timing 8-15deg ESC Switching Freq. 8KHz