What has this got to do with Hardman? Terry Farrell > All the Hardmans I have seen are actually quite well > built. I am guessing that the beating is caused by > kinks in the wire formed by years of standing below > pitch, followed by bringing up to pitch, which moved > the kinks into the speaking length. > ( A good point for convincing folks to have their > pianos tuned at least once a year. ) > Thump > > > --- Alan <tune4u@earthlink.net> wrote: > > Andre's post still leaves the question unanwered, > > for me. For the system to > > wind down like that, the tension still has to go > > somewhere, i.e., if the > > string relaxes, something else is tensing up, so to > > speak. > > > > Reminded me of this question that my old high school > > physics teacher posed: > > "I you wind a watch spring extremely tightly into > > itself, then put it in a > > stainless steel case that fits snug enough so the > > spring cannot unwind, then > > add a drop of water and acid, then seal the whole > > system shut so no moisture > > can enter or leave, the spring will eventually > > dissolve/rust away. Where did > > the energy of coiled spring go?" > > > > This may even relate to our piano question. I'll > > post the answer later. > > This, BTW, was an experiment actually performed at > > some university or other. > > > > Alan R. Barnard > > Salem, MO > > > > > > -----Original Message----- > > From: pianotech-bounces@ptg.org > > [mailto:pianotech-bounces@ptg.org] On Behalf > > Of antares > > Sent: Monday, March 28, 2005 3:45 AM > > To: Pianotech > > Subject: Re: Aha! was flat facts > > > > > > As I tried to say before : > > > > Leave a piano untouched, and pitch will go down over > > time. > > It is because it is a natural way for materials > > under tension or > > stress, to release that tension over time. > > Of course it is a combination of factors, like the > > deterioration of > > wood and metal and the sound board losing its crown > > etc, but in the > > end, if untouched, pitch will be down to zero. > > > > friendly greetings > > from > > André Oorebeek > > > > -- > > No virus found in this outgoing message. > > Checked by AVG Anti-Virus. > > Version: 7.0.308 / Virus Database: 266.8.3 - Release > > Date: 03/25/2005 > > > > > > _______________________________________________ > > pianotech list info: > > https://www.moypiano.com/resources/#archives > > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Small Business - Try our new resources site! > http://smallbusiness.yahoo.com/resources/ > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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