Using new Z50 570kv motor, 15T Align new pinion, the headspeed reach 2200 rpm+
End of flight, temp Z50 is only 58 degree. Battery 40 degree only ! Ver efficient motor!
The Align motor pinon is 6mm and is reduce to 5mm , by using the Align 450 one-way bearing sleeve. In addition, the pionion end needs to be deepened as the Z50 motor has long shaft (by 6mm) .