just a newby here, but, i have question. recently i have recieved a commission to make a “coffee table” using an 8″ thick cross section of an oak tree approximately 60″ in diameter. the customer wants complimentary wooden legs and the m.c is @9%, no problem…. however to ensure whatever ensueing movement that follows installation i have toyed w/ the idea of diagonal or radial type of “huge” french dovetails integrating the tops of each leg attaching them to the top. also there would be a center support to counter act any potential sagging…. any ideas or suggestions here would be appreciated. thanks
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Everything I have read about such large cross sections is that they will split, if not sooner then later. Sometimes making a radial slot helps relieve stresses. Such a disk will be very heavy, I think I'd make the legs a separate unit--gravity will hold the top in place with only a small recess or the like to keep it from moving.
http://www.preservation-solutions.com/faq-pentacryl.php
Pentacryl will keep a cross section from splitting and it can be finished unlike the old PEG treatment
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