Based on what Don wrote, I am wondering if this may be due to damper springs made heavier at this point. Ed S. ----- Original Message ----- From: Ryan Sowers To: pianotech at ptg.org Sent: Sunday, January 25, 2009 1:17 AM Subject: Re: [pianotech] bobbling hammers and jack spring tension (Mannino) I have noticed this same thing at the bass/tenor break. On Sat, Jan 24, 2009 at 12:13 PM, Steve Blasyak <atuneforyou at gmail.com> wrote: subject Bobbling hammers and jack spring tension (Mannino) Has anyone noticed that this seems to occur frequently on Asian pianos that have the graduated rake for three or four notes right at the break. Some one once told me, I'm not sure who, that it was a geometry thing with the longer hammer shanks. Thanks Don for taking the time to explain this. Steve Blasyak Orange County Chapter Pura Vida -- Ryan Sowers, RPT Puget Sound Chapter Olympia, WA www.pianova.net -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/pianotech_ptg.org/attachments/20090125/707d8d35/attachment.html>
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