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brian015 · 04.01.2011, 10:11 PM

So you take a solid rod and drill a hole through the middle, making it hollow, and it's stronger?

Take note, that I say "of the same OD" - to make his driveshaft out of the cvd pieces fit into either a tube or solid shaft drilled out at the ends he must have a similar OD rod or tube.

A tube of the same weight as the rod (meaning it's made from the same amount of material as the rod) will undeniably be stronger. But that is not what is under discussion.

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brian015 RC-Monster Aluminum Offline Posts: 768 Join Date: Jul 2009 Location: NJ	04.01.2011, 10:11 PM So you take a solid rod and drill a hole through the middle, making it hollow, and it's stronger? Take note, that I say "of the same OD" - to make his driveshaft out of the cvd pieces fit into either a tube or solid shaft drilled out at the ends he must have a similar OD rod or tube. A tube of the same weight as the rod (meaning it's made from the same amount of material as the rod) will undeniably be stronger. But that is not what is under discussion.