Flag poling Petrof pins?

Robert Goodale rrg@unlv.edu
Thu, 15 Aug 2002 03:13:05 -0700


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Hello,

I would like to inquire if anyone else has observed excessive flag =
poling of Petrof tuning pins.  The piano: Model III.  The place: =
Caesar's Palace in Las Vegas.  The piano is heavily used for moderate =
Jazz, (6-12 hours a day), in a lounge.  The piano is tuned twice per =
week.

Stability seems to be a problem.  This piano has an open faced pin block =
which means that the pins stand upright and do not lean back as in a =
conventional design.  The coils stand 1/4" - 3/8" above the block.  The =
hypothesis is that the pins may be bending excessively due to the high =
coils, making setting the pins more difficult.

A possible cure would be to simply set the pins deeper into the block,  =
although this is speculative theory, (particularly since this is how it =
was designed).  Additionally this would add friction to the pins which =
may contribute or create a new problem.

Anyone experienced with this piano and had similar problems?  If so what =
solution?
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Rob Goodale, RPT
Las Vegas, NV

Alan Meyer, Associate
Las Vegas, NV

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