Stability concerns

[Avery Todd]

Don,

   Interesting results but I'm curious. Why did the coils need tightening
in the first place? Just restrung? Or was this on an older string job?
Inquiring minds want to know. :-)

Avery

>I have had a chance to do some *interesting* comparisons recently.
>
>The contest:
>
>Tightening tuning pin coils VS tapping strings down on the bridge.
>
>Results so far:
>
>Attempt #1 coils then bridge
>
>tuning pins pitch drop between 21-118 cents
>setting strings pitch drop between 18-69 cents.
>
>I hope to try the reverse order very soon on an instrument.
>
>It seems so far that coil setting is *more* important than setting the
>strings on the bridge--but that setting the strings lowers the pitch more
>*evenly*.
>
>I have done the coils on one instrument *after* another tech had set the
>strings on the bridge. Piano was between 3 and 18 cents flat before coil
>tightening. After the proceedure pitch was 37 to 133 cents flat!
>
>
>Regards,
>Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.
>"Tuner for the Centre of the Arts"
>drose@dlcwest.com
>Web Site: http://www.dlcwest.com/~drose/
>3004 Grant Rd.
>REGINA, SK
>S4S 5G7
>306-352-3620 or 1-888-29t-uner


___________________________
Avery Todd, RPT
Moores School of Music
University of Houston
Houston, TX 77204-4893
713-743-3226
atodd@uh.edu
http://www.music.uh.edu/

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