Hammer weight?

[Isaac OLEG]

Hello,

The hammers sides can be filed or planed to a more decent weight then.

But check the action spread, may be the whippen rail moved . what are
regulations specs ?


Best Regards.


Isaac OLEG

Entretien et reparation de pianos.

PianoTech
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> -----Message d'origine-----
> De : pianotech-bounces@ptg.org
> [mailto:pianotech-bounces@ptg.org]De la
> part de BP
> Envoye : jeudi 8 mai 2003 01:48
> A : Richard Brekne; Pianotech
> Objet : Re: Hammer weight?
>
>
> Hre are my measurements.  My grams weights only go to 64 grams so I
> added quarters (I don't know the weight of the quarters but
> I think you
> will get the idea.)
> C2 up 28 grams down 64+3 quarters
> C3 up 16 grams down 64+3 quarters
> C4 up 24 grams down 64+1 quarter
> C5 up 22 grams down 64 grams
> C6 up 32 grams down 64+3 quarters
>
> The reason I believe it's the hammers is I remember this piano from
> before and it played nicely.  It then had new key tops and
> new hammers,
> shanks, and flanges probably a couple of years ago.  Now
> nobody wants to
> play it now because it is so hard to play.  I was thinking
> of shaving
> the hammers before I went out and replaced them.
>
> Thank you
> Bill
>
> Richard Brekne wrote:
> >
> > BP wrote:
> >
> > > I have a 6' Stienway grand to regulate that has too
> heavy hammers.  What
> > > gram weight should the key be set at so I know how much
> felt to shave
> > > off these hammers.  The action is very very heavy with
> these hammers.
> > > Bill
> > > _______________________________________________
> > > pianotech list info:
https://www.moypiano.com/resources/#archives
>
> Standard Steinway DW is 50 - 48 grams static downweight. The keys
should
> lift at least 24 grams, and probably not more then 30 grams. How do
you know
> that the hammers are too heavy ?
>
> As a first check measure both Down Weight and Up Weight on say 10
sample
> hammers, 5 white adn 5 black. Then get back to us with these figures
and
> perhaps we can offer some good advice. The first peice of advice
would have
> to be... dont go shaving of a bunch of felt from the hammers until
there is
> more information about why there is a heavy touch.
>
> Cheers
>
> RicB
>
> --
> Richard Brekne
> RPT, N.P.T.F.
> UiB, Bergen, Norway
> mailto:rbrekne@broadpark.no
> http://home.broadpark.no/~rbrekne/ricmain.html
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