sharp tuning

[Joe And Penny Goss]

Strongly agree <G> Always thought of necking as somthing done in the back seat of a car or other quiet spot.
Joe Goss RPT
Mother Goose Tools
imatunr at srvinet.com
www.mothergoosetools.com
  ----- Original Message ----- 
  From: paulrevenkojones at aol.com 
  To: pianotech at ptg.org 
  Sent: Tuesday, April 08, 2008 4:42 PM
  Subject: Re: sharp tuning


  Joe:

  "Thin spots" are "necking" of the string and lead quickly to breakage since necking happens only when one reaches to or beyond the elastic limit (Young's modulus) of the string. It's why I don't use wire rollers, too! Generally, one has to think in the range of 300 cents overpull to reach breakage (a minor 3rd). In my opinion, there is never any good reason to overpull strings by any more than 20-40 cents; even 100 cents is excessive. 

  Paul



  -----Original Message-----
  From: Joe And Penny Goss <imatunr at srvinet.com>
  To: Pianotech List <pianotech at ptg.org>
  Sent: Tue, 8 Apr 2008 5:13 pm
  Subject: Re: sharp tuning


  Hey Paul,
  Only credit me with the Elastic line.
  Me thinks it should have been stated ALMOST TO as stretched to the point that the wire thins out in spots.
  Like in the use of the wire roller. Thin spots on a string will IMHO result in false beats on that wire.
  Joe Goss RPT
  Mother Goose Tools
  imatunr at srvinet.com
  www.mothergoosetools.com
    ----- Original Message ----- 
    From: paulrevenkojones at aol.com 
    To: pianotech at ptg.org 
    Sent: Tuesday, April 08, 2008 12:36 PM
    Subject: Re: sharp tuning


    Joe (and Wim):

    BZZZZT!. "Beyond it's elasticity" means that the string will now break. Overpitching a string will not cause false (real) beats in and of itself unless there is some bridge involvement. And chipping a piano even a half-step high seems to be way more than necessary. I have typically chipped the piano about 25 cents sharp, watched it fall, then chipped it again 10 cents sharp before actually tuning it, with very stable results. 

    Paul





    -----Original Message-----
    From: Joe And Penny Goss <imatunr at srvinet.com>
    To: Pianotech List <pianotech at ptg.org>
    Sent: Tue, 8 Apr 2008 12:46 pm
    Subject: Re: sharp tuning


    Hi Wim,
    I suspect there will be a slurry of false beating sounds in the upper range of this instrument, caused by over stretching of the wire beyond it's elasticity.
    Joe Goss RPT
    Mother Goose Tools
    imatunr at srvinet.com
    www.mothergoosetools.com
      ----- Original Message ----- 
      From: Willem Blees 
      To: pianotech at ptg.org 
      Sent: Tuesday, April 08, 2008 11:03 AM
      Subject: Re: sharp tuning


      Noah

      Who ever restrung this piano really took a chance tuning the piano a whole step sharp. I chip a piano a half a step high, but even my first tuning is only 25 cents high. I don't think this dealer understands what is happening to this piano. Is he telling you to keep it a whole step high because he doesn't want to pay you to do more than just a tuning, or does he think customers won't notice. In my opinion, he is not being honest with him self, much less his customers. 


      Willem (Wim) Blees, RPT
      Piano Tuner/Technician
      Honolulu, HI
      Author of 
      The Business of Piano Tuning
      available from Potter Press
      www.pianotuning.com


      -----Original Message-----
      From: Noah Haverkamp <noahhaverkamp at yahoo.com>
      To: pianotech at ptg.org
      Sent: Tue, 8 Apr 2008 2:01 am
      Subject: sharp tuning


      i began to do a floor tuning at a warehouse last week and A4 was tuned as B4. i tuned it to A440. A3 was B3, so i tuned it to A220. about 3 notes later i felt really weird, so i informed the boss what was going on and was told to tune it where it was at. it had just received new strings. 

      well that made it easier to tune, but i mean, ive never heard of tuning a piano a whole tone sharp. 


      Noah Haverkamp 
      Know-a Piano 
      http://www.knowapiano.com 
      347-308-0094 
      Fax: 718-701-2071 

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