Nobody said weight wasn't an issue, read all the posts. The question is can wing loading get so low as to deteroriate the performance it the high-alfa arena. IMO they can, They tend to fly out of elevators, they look strange doing waterfalls, almost like lots of little outside loops, and they don't tumble as well. I do not belive a 5 pound 40 size extra will track better than my 40% Carden at over 30 pounds. Bigger/heavier flys better than small/light. If my Extra had a wing loading if 18oz/foot it would be a kite not a plane.