>So, by panel expansion, or panel support, you mean that the panel is >carrying load along the grain? Or in other words, is distributing the >load out to other ribs? > >Phil Ford No, I mean that cross grain panel expansion (compression) is bowing the rib up against the string downbearing. It's the same thing that forms the crown in a CC board with flat ribs. Ron N -------------- And this is coming about through the same process, only in a less pronounced degree, that forms the crown in a CC board? The board is dryer (only not as much drier as in a CC board) when the ribs are glued on than when it achieves equilibrium? Phil Ford
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