Jet Screamer Series JS-4000DF/1400 Kv (rpm/V) 4000 Max Power (W) 1400W Max Amp (15sec) 80A Max Efficiency 85% Io (No load A) - A Rm (Resistance) - Ohm Shaft Diameter 3.2mm Gearbox N/A Motor Diameter 29/34mm (Adapter/Motor) Motor Length 75mm Motor Weight 160g Built in Fan N/A Max Rpm 60,000 Poles 6 Case Outrunner ESC Timing 20-25 deg ESC Switching Freq. 8-16KHz

Model type	Model name	Motor	Controller	Cells	Prop
Ducted Fan	HL F5-E EDF70	JS-4000DF/1400	Jeti Spin 44	FP3300 4S Li-poly	EDF WM Mini 480

The motor adapter is pre-installed and the O-ring provides a shock dampening perfect fit in most 70mm fans. The adapter positions the motor behind the fan, directly in the airstreams, providing great cooling that allows us to get tremendous power out of this motor. The screw mount spacing is 16mm and 19mm to fit most stock 70mm fans. Use with 3-5 Li-poly cells and 44-90A ESC.