thumping dampers

[William R. Monroe]

Interesting thought,  I will keep it in mind next time.  It is a few months
away for this particular one, but maybe tomorrow somewhere else, who knows.
I'll also look at the leading.  Learn sumpin' new every day.

Thanks,
William R. Monroe



----- Original Message ----- 
From: <Erwinspiano@aol.com>
To: <pianotech@ptg.org>
Sent: Thursday, January 12, 2006 9:51 AM
Subject: Re: thumping dampers


>
> WIlliam
>   I'd be interested to know if the damper tray pivots are in line with
the
> underlever centers. When they are not in line as are most systems there is
> more physical weight pulling the entire assembly down into the strings.  I
have
> always assumed all models Of Yams had the in line arrangement but  ......
>   Check it out
> Dale
>
> Well,  Rick,
>
> I must say I would be inclined to concur with the pedal being  excessively
> "thumpy."  I just serviced a Yamaha C1 today.  The  thump of the dampers
was
> really quite bothersome.  No amount of  limiting the damper travel would
do
> anything here.  The felts are in  quite good condition, but are a bit
firmer
> than I usually see.
>
> My  gut is that to make the thumping end, you'll need new (different)
damper
> felts.  In my case, it is definitely the damper felts creating  the noise,
> but I would check to see what kind of shape the felts in the  pedal box
are
> in and how absorbent they are.  I often find poor felts  in the pedal box
can
> contribute to that thumping noise.
>
> Hope you are  able to remedy the problem.
>
> Regards,
> William R.  Monroe
>
>
>
>