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Old 06-14-2018, 04:37 PM   #4
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Join Date: Sep 2006
Location: Schenectady, NY
Posts: 3,838
The relationship between thickness and deflections is to the 3rd power...
So, all else the same (lamination schedule, geometric shape, material modulus), if you double the thickness, you will increase the strength (and reduce the deflections) by a factor of eight. 3/4" high ribs would add massive strength!!
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