ORIGINAL: tigerdude426
. . . For the least amount of binding, center the bearing on the hinge line.
. . . Yes, pivot axis should be on hinge centerline and DO "toughen" the rudder with thin CA much like you would screw holes when mounting servos.
But RCken’s is not centered at the hinge line
I think it's the camera angle. It's NOT critical but the closer the better.