Soundboard cracks under long bridge

[Terry]

Sound like a perfect situation for the epoxy fill. I think maybe Del has
some PTG Journal articles describing a technique - maybe someone else -
maybe check the archives.With epoxy you can get all the way under the bridge
also (squoosh/moosh application technique).

I haven't tried it, but the process involves taping one side of crack (to
act as a mold of sorts) and filling other side with thickened epoxy. Make
sure the crack/epoxy is prepared for maximum adhesion (I would seriously
consider the West System Two-Step Method). You can color West System epoxy
to come pretty close to spruce.

Terry Farrell


> Naturally this is what I would have done if the crack did not meander as
it
> does. No where near a straight line.
>
>
>
> At 08:32 PM 3/24/2005, you wrote:
> >Why not just do a Spurlock-type shim job right up to both sides of the
> >bridge? If there is a small area where the bridge is not glued to the
panel,
> >put some glue in there and block up the panel from behind and go bar on
> >top - or use a rib gluing boat before shimming (but instead of gluing on
a
> >rib you will be gluing on the bridge).
> >
> >Make sense?
> >
> >Terry Farrell
> >
> >
> > > Dear list members,
> > >          I am faced with a dilemma and would appreciate your advice
once
> > > again. I am refinishing a 61" Howard grand and re-stringing with a new
> > > block. After strings were removed and the piano sat in the shop for a
time
> > > a soundboard crack appeared which migrates under a crook in the long
> > > bridge. This could have already been there but not as prominent as it
is
> > > now. I'd like to  try and repair this but I question how to go about
it.
> > > I've tried removing the buttons and screws that attach the long bridge
to
> > > the soundboard hoping that the glue would be loose enough to crack it
free
> > > and pivot it out of the way in order to make the repair. (There's one
> >screw
> > > way high up in the treble that I just can't get at for love nor
money.)
> > > There is not enough money to replace the board and bridges but it
seems
> > > that the crack will need to be addressed before it goes out. Also, in
one
> > > area of the crack that goes beneath the long bridge the soundboard is
> > > disconnected from the bridge too, naturally. :-( Any advice?
> > >
> > > Greg Newell
> >
> >
> >_______________________________________________
> >pianotech list info: https://www.moypiano.com/resources/#archives
>
> Greg Newell
> Greg's piano Forté
> mailto:gnewell@ameritech.net
>
>
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives
>