AMEN! Greg Torres pianoman wrote: > Hello John, > You know, sometimes its just good to be pleasantly surprised without > knowing what you did right. > James Grebe > R.P.T. of the P.T.G. from St. Louis, MO. USA, Earth > pianoman@inlink.com > "I'm on my way towards the mighty light of knowledge". > > ---------- > > From: John R Fortiner <pianoserv440@juno.com> > > To: pianotech@ptg.org > > Subject: "elasticity" > > Date: Sunday, March 01, 1998 4:13 PM > > > > Dear List: > > Last week I was called upon to tune a P S Wicks upright that > > measured about 155c low. ( That 155 is not a typographical error). I > > told the piano's owner that the safest process would be to bring it up > > about 50c at a time ( pitch raising, not taking the time to "tune" at > > each level) so that if more than a few wires did break that we would not > > be in a situation where the piano could not be put in tune with itself > > fairly easily. I explained to her that I simply did not want her to end > > up with a piano that couldn't be played without a restringing job - > > therefore take it a little at a time in order to be able to determine at > > what pitch level the piano could be tuned. BTW she estimates that the > > piano had not been tuned for 35-40 years. > > Anyway ----------------- On the first raise to about -100c the wires > > felt fairly elastic - not really brittle - but not as elastic as I would > > have liked to have felt. On the second raise to about -50c the wire felt > > more elastic by quite a bit. As if that was not enough on the third > > raise to about A440 the wire felt even more elastic - almost like new > > wire. I tuned the piano to A440 with no wires breaking - much to my > > customer's joy -( and mine also for that matter.) > > Why, I ask you, would the wire have felt more elastic as the piano > > approached standard pitch? I can't figure this out as most of the > > piano's that I have had to do major raises on have felt a little less > > elastic as they approached standard pitch. Your explanations(s) will be > > welcomed by this inquisitive tech. > > > > > > Thanks in advance: > > > > John R. Fortiner > > > > e-mail: jfortiner@juno.com > > > > _____________________________________________________________________ > > You don't need to buy Internet access to use free Internet e-mail. > > Get completely free e-mail from Juno at http://www.juno.com > > Or call Juno at (800) 654-JUNO [654-5866]
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