Weaver lost motion

[Joe And Penny Goss]

Hey,
I just did one of those critters.
Interesting little idea. worked sort of when through regulating, at least no
bibidi hammers <G>
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message -----
From: "Clyde Hollinger" <cedel@supernet.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Saturday, April 19, 2003 12:49 PM
Subject: Re: Weaver lost motion


> John,
>
> Since the Weaver piano was manufactured in York, PA, and I live about 25
> miles away, I get to service several of these.  If you look closely, you
> will see that there is a pivot point between the two screws that attach
the
> rocker arm to the key.  These screws are used to take up lost motion.
>
> To decrease lost motion, loosen the screw farthest from you and tighten
the
> one closest to you by an equal amount.  That will raise the "business end"
> of the rocker arm.  Keep working at it until you get it where you want it
to
> be.  Be a little gentle; you don't want to break any more of them, even if
> you don't consider the piano worth salvaging.  (How did one of these
babies
> make it all the way to SD?!  <G>)
>
> Regards,
> Clyde Hollinger, RPT
>
> John Voigt wrote:
>
> > I was called to give an evaluation on an old spinet piano yesterday.  I
> > found a 1945 Weaver spinet.  It was something I had never seen in my
> > limited experience.  Instead of the usual drop stickers and elbows it
> > had rocker arms made of pot metal (I think) that were screwed to the
> > back of the keys and then dropped down and underneath the wippens.
> > Three of these rocker arms had broken and the owner, who is looking to
> > rid herself of the piano, had robbed arms from the extreme high and low
> > ends and replaced the broken ones.  I informed her that I had never seen
> >
> > any such thing and I was sure I could not get parts for it.  It also had
> >
> > large amounts of lost motion causing insufficient travel for the wippen
> > and bobbling hammers.  I did not see any way to adjust lost motion other
> >
> > than gluing some type of felt or something to the top of this rocker arm
> >
> > or the bottom of the wippen.
> >
> > When I got home, to my surprise, I found that Schaff does show a 'Weaver
> >
> > Bi-level Rocker Arm' in their catalog.  While I still do not consider
> > the piano worth salvaging, out of curiosity I was wondering if there was
> > a simpler way to eliminate lost motion in this creation that I missed.
> > Anyone tried it?
> >
> > John Voigt
> > PTG Associate
> > Avon, SD
> >
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>
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