There seems to be a bit of apparent dissagreement on this point. Not to touch on that bit so much... I would be very interested in getting a basic idea of just how much increase in stiffness one could achieve in the laminated (still rib-less at this point) panel over a solid spruce panel of equal dimensions. Sticking to the grain being perpendicular to the bridge and all laminates going the same direction mind you. Thanks for many informative posts so far RicB Ron my point too Dale I'm not suggesting that a laminated panel wouldn't have a higher stiffness than an equivalent thickness solid panel. It certainly would, but not enough to support downbearing in its own right. If you find this hard to believe just laminate a little section for you own investigation. Best, Ron O.
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