Edwin Pawlowski wrote:
"Duane Bozarth" wrote in message

Why would that be? There's no more (and maybe less) material
(neglecting the effect of an additional 1/2" (say) ply which would add
some additional resistance.


Putting to different pieces together acts the same way, sort of like a
torsion box. Same as a 1/2" dia. tube is stiffer than a 1/2" rod.



Say what? I disagree. Further a 1/2" tube should not be stiffer than a
1/2" rod.

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Respectfully,


CL Gilbert