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In Reply to: Anybody knowledgeable about the strength of Birch plywood? posted by Rick W on October 23, 2020 at 13:29:15:
here's a link to technical calculations based on load deflection:
https://www.engineersedge.com/civil_engineering/wood_engineering_properties_3_13745.htm
the clickable link will give a good rule of thumb for different wood species
my concern would be the 'routed/glued into 2x4 columns' joints
anyway, depending on the span involved 3/4 birch has pretty decent deflection strength but you need to account for the 'landing' of the distributed load on the surface so the amp width is important
are there pix of the rack handy?
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