Ok but, the reason I'm asking the question is because I've seen wings that were built too light. When they get up to speed the tips flex up and put on the brakes.
MM
Viper II was designed to the class minimum 24" span. The root chord is 7.25" and the tip chord is 3.25". The quarter chord line has no sweep. The resulting aspect ratio is 4.48. I launched for both Carl & Harry and was around for a lot of their test activity. I don't recall that the wing gave any problems.
I could see though that a higher aspect ratio wing might need more thickness, especially if the plane was a bit on the heavy side.
P.S. You might want to look at Jimmy Delany's and Tom Lauerman's
Emanon. They held the B Proto record when the class was retired. It was certainly no slouch.