What is the best measuring technique to be assured that the wings are level and that the stab is parallel to the wings...and if the wings aren't level ( one higher than the other)what is the best way to level them out....i am asking because i have a little wattage cub that is an ARF and i can not get the wings to level out...one is about 1/8 of an inch or so higher....i measured from the tip of the wing to the back end of the fuselage to make sure the wings are centered and i got that measurement pretty much right on the money or at least i think i do...i know the measurements on a plane should be close as possible but how much error can there be before effecting the plane to the point where it won't fly...is an 1/8 of an inch a lot or what....any help would be great....thanks in advance