I've read several different post concerning setting the CG. I don't understand how the CG would be different upright or inverted, at the fuse or at the wing tip. If the measurement is the amount of weight on either side of the x (fuse) or y (wing) axis would it be the same at the same points along that axis? That should hold true whether the point say 30% is at the axis or 5 feet perpendicular to the axis. I do agree if the majority of the whole weight is below the measuring point a pendulum affect will make it easier to balance but the point of CG should be the same upright or inverted. Let me know if I'm missing some thing.