Hello,
am drawing up a scale twin with 80.6 span and double tapered wing.trying to locate the cg.if the root is14.72 inches and the tip is 7.86 inches i hav a mac of 11.29.cg at 25-30 percent gives me 2.82 - 3.38.from leading at at station that has chord of 11.29.will start at 3.10 from leading edge.do these numbers sound right?been awhile since i have had to do this on a tapered wing.