stability of pitch raises

[Jon Page]

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At 11:17 AM 08/30/2001 -0400, you wrote:
>I specialize in sssssslllllooooooowwwww pitch raises. As a matter of fact, I
>am an expert. Although I am ssssslllloooooowwwwwwwly losing my touch  :-).
>My average pitch raise is 30 to 35 minutes. It was not that long ago that
>they were all taking me 50 to 60 minutes  :-(. Even a one hour pitch raise
>with proper use of an ETD (in my case the SAT) results in a very accurate
>pitch raise.
>
>Wouldn't adding additional tension to a string cause it to slowly stretch a
>tad after the initial tension increase? I have always assumed that to be the
>case when chipping the piano. I know it happened that way on my mother's
>clothes line (he said, setting himself up).
>
>Terry Farrell

Pitch raising is wholesale tension application.  Get it down to 20 minutes 
or less.
Tune from there.  A pitch raise and rough tuning - one hour.



Jon Page,   piano technician
Harwich Port, Cape Cod, Mass.
mailto:jon.page@verizon.net
http://www.stanwoodpiano.com
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