450Watts for 3D flying for 0.15 - 0.21 size Aircraft

Motor Stats
Wire Winds / Turns: 12
Li-Po Battery: 3 / 4 cells
RPM per volt : 850
Max efficiency current: 25A
No Load Current / 10V: 1.26A
Max Current: 36/60 sec
Shaft: 5mm
Weight: 165g
Recommend Watts450W
Recommended Model Weight:  up to 3lbs

Recommended Propeller without gearbox

9" x 5"  -- 14" x 6"

Mounting Options
Includes soldered on 3.5mm gold quick connects, (female include for ESC), mounting bracket, screws, and a screw on prop adapter.