This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Dan Reed wrote..... Snip< "The odd thing is, that the pitch comes right back up. Just strike the = note, and hear it start to go sharp again. After four or five hard blows, it = is back to (about) where it started before massaging. (I am an aural tuner, = and I check the individual wires with thirds or sixths. It is the massaged = wire that is comming back up, and not the other wire going south.) Just when I thought I had found a nice accurate controlable method to = subtly change the pitch to clean up a unison!" Hi Dan,=20 Yes ... this is the wire heating up by the rubbing, expanding slightly - = enough for the pitch to drop and then rise again as the wire cools. Some years ago I thought I'd be smart and purposefully de-tune (for = tuning practice) a piano by using a hair dryer on the strings. Yes.. it does work but again as the wire cools the pitch pretty much = returns to where it was. I think for the result to be more permanent the wire would need to be = stretched by rolling but this is impossible to control for the purpose = of setting a unison. Keep experimenting - you may strike a method that none of us have yet = thought of. Regards Graeme Harvey New Plymouth=20 New Zealand. ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/d1/20/24/23/attachment.htm ---------------------- multipart/alternative attachment--
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