Ping went the strings

[David ilvedson]

> From:          "robert sadowski" <rob@erie.net>
> To:            <pianotech@ptg.org>
> Subject:       Ping went the strings
> Date:          Fri, 1 Aug 1997 22:28:31 -0400
> Reply-to:      pianotech@ptg.org

Try Protek on the stringing underfelt between the agraffes and 
the tuning pins.  Sometimes a lot of friction develops in that 
area.



> To the list:
>      
>      I just tuned a 1958 Steinway L that has the "ping" problem.  You turn
> the hammer to lower the pitch and nothing happens.  Suddenly a "ping" sound
> is followed by a 10 to 20 cent drop in pitch.  This piano had the problem
> in about 75% of the aggraffe notes.  Some notes are immpossible to tune .
> It was maddening!  I'm assuming the strings have a nick that is getting
> hung up in the aggraffe holes.  What's the cause and any solutions? 
> Thanks, 
> Bob Sadowski
> Erie, PA. Chapter
> rob@erie.net
> 
> 
ilvey
Pacifica, CA
ilvey@a.crl.com