touch weight

[Isaac OLEG]

 The instrument
> was relatively new, though I never bothered to check exactly how
old, but
> should have been
> about the same vintage as the one you are working with.  The pianist
> complained of unevenness from note to note.  I discovered
> that a number of the knuckles were as flat as if they were 30 years
old, and
> really made a big difference.  There was no pattern, just one here
and
> one there, with the rest being in near perfect condition.

May be quality problem in the leather, but most often poor alignment
of the roller/jack will give that result (flat knuckles) under heavy
professional use. When the jack's cushion begin to compress with time
the jack go back from its good position.

It is always rewarding for the long term to do a fast check and align
these jacks - you may learn to regulate again the drop as fast as in a
pinch too, not a so easy task so work on it.

On most of the new pianos I see the jack is too far, sometime because
the tech find it easier to regulate the drop/letoff as that, sometime
because the cushion had compress, in this late case the letoff is
mushy, having the jack back in place almost self regulate the drop
then.

Regards.

Isaac OLEG

Compulsive writer



>
> Also, make sure that some of the hammer tails aren't dragging on the
> backchecks.  I've got a building full of Baldwins which have to have
> backchecks reconfigured because I can't get checking within
> an inch without
> dragging.  John Hartman's articles in the May and June 2001
> PTJ were a real
> eye opener for me as far as backcheck geometry goes.
> Pianos don't come
> from the factory set up like that.
>
> Just a couple of thoughts.
> Jeff
>
> >Dear list,
> >
> >I have a faculty member here who is very sensitive to
> unevenness in the
> >keys. The piano is an S&S D that is six years old. After I
> make sure all
> >friction is gone, keys are eased, etc., do I really want
> to start removing
> >leads? This piano should have been right at the factory
> and I really don't
> >know if I should be messing with it like that. I know that
> Stanwood's system
> >is probably a long term answer but this person has a
> recital next week. Any
> >suggestions?
> >
> >Ray
> >
> >
> >Ray Breakall
> >Piano Technician
> >University of Richmond
> >Booker Music Hall #38
> >Richmond, VA 23173
> >(804)287-6342
> >
> >_______________________________________________
> >caut list info: https://www.moypiano.com/resources/#archives
>
>
>
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