Thanks, Ron and David... that helps. On Mon, Dec 17, 2012 at 2:28 PM, Ron Nossaman <rnossaman at cox.net> wrote: > On 12/17/2012 1:56 PM, paul bruesch wrote: > >> That impossible to tune as a unison/octave has been my experience as >> well. But why is it impossible? (Loaded question, I'm sure!) >> > > I'll try to get as close as I can, hopefully without attracting a herd of > screaming binary absolutists. The lower the break% of a string, the more > reactive it is to minute tension changes. A string at 50% break will take a > dimensionally produced tension change (by either turning the pin, or from > dimensional changes of wood parts with humidity changes) with only a slight > detectable change in tuning. A string at 17% break, given the same > dimensional change, will produce a dramatically more pronounced change in > tuning. A high break% string has a wide target tolerance, where a low > break% string has a very narrow one. You just don't have anything to work > with tuning low break% strings. The partial composition and spacing will be > different too, but I don't have any real data on that detail. > > Ron N > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121217/caba3111/attachment.htm>
This PTG archive page provided courtesy of Moy Piano Service, LLC