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Old Oct 25, 2012, 10:16 AM
biskit is offline
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United States, AL
Joined Apr 2007
832 Posts
With such a thin and high aspect ratio the glued points of a built up wing are huge stress points. I'm no expert plane designer but I would think a foam core wing would be better than a built up balsa as the shear forces would be distributed over the entire wing surface instead of concentrated at the glue joints of a built up wing.

Is the shear web on the failed wings broken? How is the wing attached to the fuselage? All that wood cut away from the wing center is a huge stress riser, you need as much strength at the root as possible!
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