A tiny amount of Protek on the bearing points will help. Steinway uprights are also notorious for this angular interference with smooth tuning. Thump --- TLJ <chief_retired@pacinfo.com> wrote: > I recently tuned a Shimmel 5' 8" grand for a new > customer. I encountered a > "new to me" challenge. > > The strings angle downward steeply as they leave the > tuning pins. The are > then redirected sharpely horizontally as they pass > through the agraffes. > > As I begin to tighten a string I would frequently > hear a pin sound. It is > similar to the sound heard when breaking a rusty > bass string loose. The > challenge for me is that I would have to pull the > tuning hammer quite a bit > before anything changed. All of a sudden I would > hear this ping sound and > the string would suddenly go sharp. Gently loosening > the pin "a micro > smidge" and it would go flat. > > It seems to me that the string is almost "sticking" > to the agraffe and then > breaking free. > > This situation is making tuning stability difficult. > Once I settle the pin > with test blows all is fine until the owner plays > the piano (mostly > classical music) and then I am getting string > movement on some notes. > > This is probably a very simple issue but I am at a > total loss. Any > suggestions will be appreciated. > > Terry Jack > Eugene OR chapt > > > _______________________________________________ > pianotech list info: > https://www.moypiano.com/resources/#archives > __________________________________ Do you Yahoo!? Yahoo! Mail - 50x more storage than other providers! http://promotions.yahoo.com/new_mail
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