>How is the grain aligned in solid wood ribs? Vertical or horizontal, when >looking at the corss-section of a rib? Vertical, traditionally, with the assumption that vertical grain is stiffer, but I haven't been able to find anything in documentation indicating a difference in either initial bending strength or long term stress and creep effects either way. Deflection tests I've done for myself indicate that the difference is meaningless structurally. >And in laminated ones? Same. Ron N
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