Kevin, Interesting stuff, but no, I have not tested my frames as you
mentioned. I had not planned on any racing as such and didn't have a big
concern with it. A roll cage properly done would certainly help. Some cross
bracing ( X ) between the center tubes would also help, as would using
stiffer or larger diam. material for both the main and/or bracing tubes. This
all comes at the cost of weight, however, and must be carefully considered.
Gussets may also be added to critical areas to increase strength and
stiffness.
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