Bzzzing Dampers

[Stacy Adams]

Kevin,

Thanks for the ideas, I especially like your remedy for "oinking" dampers.  
My own piano does this (it's old and crusty), now I have something else to 
try.

Thanks again,

Stacy.
>
>     Buzzing Dampers......... Usually caused by the felt hanging down 
>between
>the strings too far. You really have to trim them. First, you make a cut so
>that the material hanging below the strings is no longer there, then you
>make two more cuts on each half of the trichord, so that the damper ends 
>are
>radiused. Then you might have to do some minor fitting. That's about it.
>Really nothing to be afraid of, just do it very carefully.
>     I also have glued a piece of 120 grit aluminum oxide sandpaper to the
>back of my little machinists' ruler. I use that on dampers to get rid of
>that crustiness that can make dampers "oink". Also, make sure that the
>bushing in the damper guide rail is not too loose. It's supposed to be 
>tight
>enough to prevent the damper from rattling around as it seats.
>     Hope this helps.
>
>
>----- Original Message -----
>From: "Stacy Adams" <adams_piano@hotmail.com>
>To: <pianotech@ptg.org>
>Sent: Wednesday, January 17, 2001 8:36 PM
>Subject: Bzzzing Dampers
>
>
> >
> > List,
> >
> > I tune a Yamaha G1 (1963) for a local piano teacher who has been
>complaining
> > of a buzzing key (D4).  It seems that the buzzing is being produced by 
>the
> > damper, a trichord wedge, as the felt settles between the vibrating
>strings.
> >   The damper appears to be aligned to the strings and the dampers 
>overall
> > are in decent regulation.  There are several other trichord dampers that
> > buzz in this manner, but to a lesser degree.
> >
> > Is it a possibility that the problem stems from the consistency of the
>aging
> > damper felt?  Could the design of the piano (trichord wedges to F4) also
>be
> > a contributing factor?
> >
> > Any ideas to cure this annoying bzzzzz would be much appreciated!
> >
> > Many thanks,
> >
> > Stacy Adams
> > PTG Associate
> >
> >
> > 
>_________________________________________________________________________
> > Get Your Private, Free E-mail from MSN Hotmail at 
>http://www.hotmail.com.
> >
>

_________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.