Does anyone else notice that when using a smooth pull, it takes more overshoot to end up on the correct pitch with the string that has the shortest non-speaking length than the one with the longest non-speaking length on the same unison? On Fri, Jul 31, 2009 at 1:21 PM, Jim Busby<jim_busby at byu.edu> wrote: > Albert, > > > > That was exactly my point, or the point I was trying to ask about with this > article. But if this has been discussed a dozen times on Pianotech I > shouldn’t have posted it w/o looking back. > > > > While Fenner indeed talks about break % and the usual stuff, this notion of > length alone as “string elongation”, aside from any tension issue in tuning > stability, had me wondering… I’m studying it on my own (well, with Vince > Mrykalo) and think it is an issue worth looking at. > > > > Jim Busby RPT > > > > From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf > Of Albert Lord > Sent: Thursday, July 30, 2009 9:35 PM > To: pianotech at ptg.org > Subject: Re: [pianotech] String elongation/Fenner article > > > > > > On Thu, Jul 30, 2009 at 1:18 PM, Ron Nossaman <rnossaman at cox.net> wrote: > > The greater the elongation under the tension necessary to produce the > required pitch, the higher the break%... > > I read Fenner to say that longer non-speaking > string segments also increase elongation and > stability as you implied: > > the long front scale should mean that the overall string is longer, so > the effect of a given string length change (seasonal, from wood reaction to > humidity) has a relatively smaller affect on overall string tension, and the > unisons should stay in tune better. > > > with no increase in breaking %age (speaking length > and tension unchanged). So elongation and breaking > %age are not always linked. Do I state this correctly? > > Albert -- Regards, Jeff Deutschle Please address replies to the List. Do not E-mail me privately. Thank You.
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