Fw: Leveling Sticks WAS: Steinway D key levelling (Hamburg model)

Michael Gamble michael@gambles.fsnet.co.uk
Tue, 21 Oct 2003 00:30:01 +0100


Hello Isaac

----- Original Message ----- 
From: "Isaac sur Noos" <oleg-i@noos.fr>
To: "Pianotech" <pianotech@ptg.org>
Sent: Monday, October 20, 2003 10:27 PM
Subject: RE: Leveling Sticks WAS: Steinway D key levelling (Hamburg model)
You said:


> You can also have a computer with a visual device checking the key
> height and giving you the correct thickness to add, note by note, as
> I've been said they do in Yamaha factory !
>
I believe at Yamaha they also have an electro-mechanical device for pulling
the new strings into tune - at the touch of a button! All at the same time.
That must save a lot of time!
Michael G (UK)
>
>
> Isaac OLEG
>
> Entretien et reparation de pianos.
>
> PianoTech
> 17 rue de Choisy
> 94400 VITRY sur SEINE
> FRANCE
> tel : 033 01 47 18 06 98
> fax : 033 01 47 18 06 90
> cell: 06 60 42 58 77
>
> > -----Message d'origine-----
> > De : pianotech-bounces@ptg.org
> > [mailto:pianotech-bounces@ptg.org]De la
> > part de Bill Ballard
> > Envoye : lundi 20 octobre 2003 03:40
> > A : Pianotech
> > Objet : Leveling Sticks WAS: Steinway D key levelling
> > (Hamburg model)
> >
> >
> > At 3:53 PM -0600 10/19/03, Nichols wrote:
> > >>The (old) weights I have with the tacks cast into them are about
> > >>87g each, and let you position them somewhere between the capstan
> > >>and backcheck. They let you remove and replace keys
> > easily without
> > >>falling off too, which is nice. They also leave numerous holes in
> > >>both the keys and your fingers, which is somewhat less nice.
> > >>Another of life's little tradeoffs.
> > >
> > >Ron N
> > >
> > >I forget where I learned it, but the fender washers on allthread
> > >trick seems to work pretty good for me. Relatively
> > consistent, easy
> > >to lift the keys, etc., etc. Using 3/8 allthread, with
> > washers that
> > >have a 5/8 hole, the "travel" is enough to lift a key without
> > >removing the weight. Placed between the capstan and the backcheck.
> > >About 4 washers per note. Haven't weighed 'em, don't care. Not
> > >cheap, though, nowadays. The dern washers add up when you
> > get enough
> > >to make a 20" section!
> >
> > Actually, going section by section, instead of (oh, the
> > price tag) an
> > 88 note weight rod, might be a little unstable. If the key frame is
> > forced into conformity with the keybed, only in that one section,
> > then the other sections are free to lift as they please. This would
> > leave that section being leveled without the influences of
> > the other
> > sections of the frame. That is, with the action frame fastened and
> > the Top Action Weight on the caps. The better bedded the frame is,
> > the less error might hide here.
> >
> > I had been thinking of something similar, except with
> > tapered weights
> > which hung loosely on the rod, like beads on an abacus (or
> > "washers"
> > on a pool hall score line). Doing an entire keyboard
> > shouldn't be too
> > unwieldy. The individual weights could be spaced to put one
> > to a key.
> > The tapering of the weights should resemble a Top Action
> > Weight curve.
> >
> > I'm sure this has been tried before (and possibly discarded). How
> > 'bout RicB applying some of his magnetism to this job. For
> > instance a
> > magnetic strip which would form a clip around the top of that far
> > side of a key, which would locate and secure a magnetic weight.
> >
> > And yes, Ron, about those vampire bite marks, well.
> > Leveling is only
> > done at 60,000 mile intervals.  It's only done with the knowledge
> > that it will leave unsightly scars which will speak badly
> > of us when
> > we're not around. Hey, abuse is abuse, and the public is obliged to
> > report us. <g>
> >
> > Bill Ballard RPT
> > NH Chapter, P.T.G.
> >
> > "Lady, this piano is what it is, I am what I am, and you
> > are what you are"
> >      ...........From a recurring nightmare.
> > +++++++++++++++++++++
> > _______________________________________________
> > pianotech list info: https://www.moypiano.com/resources/#archives
> >
>
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>



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