When I hold the main gear still the head does move back and forth just a tiny bit. Out on the ends of the rotor blades it translates to much more back and forth movement.
I spooled it up and had no vibration, everything seemed good. I tried t on the shaft that came in the kit and it's the same lose fit. The ID of the rotor head is 5.08 mm and of course the shaft is 5 mm.
I spooled it up and had no vibration, everything seemed good. I tried t on the shaft that came in the kit and it's the same lose fit. The ID of the rotor head is 5.08 mm and of course the shaft is 5 mm.