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Old 12-22-2017, 09:10 PM
Carl1Mayer Carl1Mayer is offline
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Join Date: Dec 2017
Location: Richmond, VA
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The unbraced ones are all .125" thick (as well as the braced flattop per its plans) while the braced cylindrical ones I reduced the top plate thicknesses to cut weight until the stress was about the same as the flattop (at the original 3mm even the unbraced cylinder top is just as good as the braced flattop but you don't get that much weight savings that way). For the x braced one that ended up around .09". Both the x and parallel braced ones shown are modeled at that thickness but since the parallel bracing wasn't as effective I didn't bother spending the time to further optimize the thickness on that one to match the braced flattop.
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