This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Yes, I changed the subject.<G> The one thing that gets me to NOT want to do a re-ribbing of an olde = board, is the fact that wood does age. Forget the compression factor for = now. Let's just consider this: In the aging process of wood, it loses = it's cellular cohesion/bonding. At some point, this aging process = creates what is known as Brash Failure. If wood is kept in a consistant = environment, it will eventually turn to stone, (ie petrify). The Brash = Failure occurs about half way to the petriying stage.=20 Most of us have run into the action w/parts that defy repair. These = actions are in the first stages of Brash Failure. The best way to = explain how the wood reacts is: a new shank/dowel, when broken will = splinter. One with Brash Failure will break cleanly, as if it were sawn. = I've seen this problem on parts that were less than 50years olde, so = there's really no way of telling when this will occur. So, back to the boards....I feel that there is no way of knowing how = much more time the wood, of the sound board will have, so I'm very = reluctant to re-rib a board, even though it is an intriguing = idea/technique. I think, that if I'm going to go to all the trouble to = take a board out, then I'll improve on what was there originally, if I = can. Best Regards, Joe Garrett, R.P.T. Captain, Tool Police Squares R I ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/a0/6c/1d/94/attachment.htm ---------------------- multipart/alternative attachment--
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