Keith Roberts wrote: > Oh, oh. One of my pet theories that will be dismissed due to part A... > Wood as it dries after it is dead takes on an internal tension. The > fibers are stretched and being interlocked, pull on each other, creating > tension. You can see this internal tension (evidence) when you run a > board through the table saw and the gap of the cut is getting wider. > Without this tension, wood does not transmit sound well. Wet or green > wood does not transmit sound well (this may or may not have anything to > do with the theory). This is good to know, should I ever find a need to transmit sound through wood. Hasn't come up yet, but you never know. >Different wood has different tension. Milling > process can release the tension. It is designed to make the wood stable. > That is one reason spruce is flat sawn for soundboards. But spruce is quarter sawn for soundboards. Tension mounts... Ron N
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