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Originally Posted by Doohickie
Trust me, as an engineer I can assure you the bar would not be noticeably stiffer if it were solid. Most of the stiffness comes from the outer layers; the contribution of any portion of the section to bending stiffness is a function of the square of that portion's distance from the neutral axis. So the part in the middle contributes very little which is why they made the bar hollow.
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Dude..... I get it. You are killing me with all the BIG words. LOL. You could've just answered with a "not really" and I would've been good with that but thank you for the explanation. I'm glad there are some people on this forum who know a little something.