I re-read my post and I left out some info; the way I understand it, the CG is 4 5/8" from the leading edge measured at the fuselage; since the upper wing is not attached to the fuselage; the width of the fuselage at a point where the upper wing is mounted is 6", so as I understand it, I would measure 3" on both sides of the center of the upper wing and the CG would be measured from that point on the wing, would this be correct