Two instances of the same very rare phenomenon? An undetected crack when built? Seems unlikely to me. Perhaps a misplaced clamp during construction? As well as asking a lot of sugar pine? Seems more likely to me. Mysteries. God I love this profession. Paul In a message dated 12/7/2010 7:12:06 P.M. Central Standard Time, rnossaman at cox.net writes: I've seen it, usually accompanied by 3° treble bearing. I figured it was an undetected crack when the board was built, compounded by asking a lot structurally of sugar pine ribs. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20101208/e212945f/attachment.htm>
This PTG archive page provided courtesy of Moy Piano Service, LLC