Election Day Puzzla

[David Ilvedson]

Tom,

Did you pull the action and remove the wippen to investigate?  I might have
exchanged with the working neighbor.  I don't suppose the let-off button is
being missed by the jack with hammer rail depressed?

David I.



> -----Original Message-----
> From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf
> Of Tom Cole
> Sent: Thursday, November 09, 2000 5:26 PM
> To: pianotech@ptg.org
> Subject: Re: Election Day Puzzla
>
>
> Blaine, Tom and Greg,
>
> Thanks for your replies. I returned to the piano today with your
> thoughts in mind. I bent the bridle wire to give it some slack, I pulled
> the damper away from the string to remove the possibility of a dug out
> felt. I removed the hammer to feel the surface of the butt leather. I
> could not detect anything about this note that was any different than
> its neighbors. But still the jack catches when the hammer is pushed
> about half way to the string.
>
> I just could not leave without "fixing" the problem so I shortened the
> stroke of the soft pedal linkage so that the hammer is not put in this
> position that "causes" the problem. For the time being, though, the real
> problem will have to remain a mystery.
>
> Tom Cole
>
> bhebert wrote:
> >
> > Tom,
> > Is it possible that the hammer shank was glued in with one of
> those large
> > shank-bevels that was popular onsome actions in the 70's?  The
> shank angle
> > could be different on that hammer.  This would put the letoff at a
> > different point in the blow.  If this is what is happening, you
> might have
> > to reset the hammer shank in the hammer butt or increase the dip beyond
> > normal.
> >
> > Blaine Hebert
> > bhebert@compuserve.com
> >
> > Tom Cole wrote:
> >
> > > A Story and Clark console, which otherwise works perfectly, has one
> > > problem: G3 (third note up from the bass break) does not play when the
> > > soft pedal is depressed. If you manually push the rest rail toward the
> > > strings and manually push on the back check, the same thing happens -
> > > the jack will not escape, unless you push fairly hard.
> > >
> > > So the problem is in the action. The shape of the butt and
> the condition
> > > of the butt leather seem normal (for a Story and Clark). The
> string cuts
> > > in the hammers are very light. Installing a thicker butt felt didn't
> > > help. There was no debris in the action.
> > >
> > > For you computer geeks, yes, I went outside and came back in again and
> > > that didn't help! :-)
> > >
> > > Any ideas?
> > >
> > > Tom Cole
> >
> > <
>