you guys actually strip out your gearboxes lol nice ......
use a dollar between the meshes for correct spacing ...i love my park370 4100kv, 6.6.1 gearbox ,
1320 li po ,20 amp esc, 11x8 prop ,(3) hs-55 servos.......never had any problems and hovers my yak at 50% throttle ............for outdoor use