slow returning hammers

[Isaac sur Noos]

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Very good approach in regard of the humid/dry season (summer/winter) Clyde.
Thanks for that !

Regards.

Isaac

                       Pianotech

                        Isaac OLEG
                        accordeur - reparateur - concert  19 rue Jules Ferry
                        94400 VITRY sur SEINE
                        oleg-i@noos.fr  tel:
                              fax:
                              mobile:  033 01 47 18 06 98
                              33 01 47 18 06 90
                              033 06 60 42 58 77




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  -----Message d'origine-----
  De : pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]De la
part de Clyde Hollinger
  Envoye : dimanche 21 decembre 2003 12:28
  A : Pianotech
  Objet : Re: slow returning hammers


  Julia,
  What was your indication that the humidity was too high?  In summer I
could believe it, but it would be quite unusual in December in our location.

  Here is my general rule of thumb.  If the sluggishness is a problem in the
summer but not in the winter, then excessive moisture is likely the problem,
and installing a heat bar and control is likely to help.  If the
sluggishness is year round, lowering the humidity will not help, and the
problem needs to be solved some other way.  Others have already responded
with some good advice.

  Bringing the action to your home to dry it out will be of no benefit if it
will be returned again to the same environment.  The piano needs to work
where it "lives."

  Regards,
  Clyde Hollinger, RPT

  Alpha88x@aol.com wrote:

    Greetings,
                I went to a home where there was a Chickering console piano
that the hammers return at a snail's pace after the key is struck. I
suggested that the hammer bushings around their center pins may be swelled
due to humidity resulting in tightness and friction causing the slow motion
return.  He had a heater bar in the piano and I suggested that he plug it in
to dry up some moisture. He did. Two weeks later he calls and tells me it
only helped allittle and the thing is still unplayable.

                 I am thinking that the only thing left to do is to bring
the action home and put it near a radiator so they dry out, and give each
pin a shot of protek. Any other suggestions?

    thanks,
    Julia Gottchall,
    Reading, PA





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