Castle Creation Vertigo 3424-1800 Kv (rpm/V) 1760 Max Power (W) 1400W Max Amp (15sec) 70A Max Efficiency 87% Io (No load A) -A Rm (Resistance) -Ohm Shaft Diameter 5mm Gearbox N/A Motor Diameter 43.1mm Motor Length 54mm Motor Weight 255g Built in Fan N/A Max Rpm 35,000 Poles 8 Case Outrunner ESC Timing 20-25 deg ESC Switching Freq. 8-16KHz