> > I assume it is the friction around the tuning pin which is slowly allowing > the stress in the wire to overcome it. This seems quite plausible. Have you ever tied a knot in music wire that slowly unwound itself when under tension? It creeps undone because of friction. Friction is the time-release factor. That might also be the case with coils. What about wood? Why does wood *slowly* crush? [kurt] -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20080418/bb356039/attachment.html
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