This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment You are welcome. FWIW, the Knabe upright that I yanked apart and = appeared to have a crown cut into the ribs had ribs that were wider than = tall. Regarding the crowning nature of your Packard - you state that = "Packard was rib crowned there is no doubt: the contour is readily = visually observed as cut into the ribs themselves." How can you = determine that? If the rib is curved, could it still not be from panel = compression? You may well be correct, but I just don't see how one could = be so sure. Terry Farrell > Thank you, Terry, for the informative answer. > Actually, no, I remember not from whence the > statement originated: only that somewhere in the > barrage of info on this list it was stated that a > rib-crowned board should have ribs taller in > cross-section than wide. And that any piano with wide=20 > ( rather than tall ) ribs is inherently CC. That this > Packard was rib crowned there is no doubt: the contour > is readily visually observed as cut into the ribs > themselves. Also that it has an extremely full, rich, > round tone there is no doubt, though the damage to it > is significant ( it lived beneath an air-conditioner > and the whole board is white with water-damaged > shellac. ) And the aforementioned cracks. Quite a > testimony to RC construction, I do believe !!! > Thummmmmmmmmmmmm ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/09/43/11/38/attachment.htm ---------------------- multipart/alternative attachment--
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