epoxy tuning hole repair

Delwin D Fandrich fandrich@pianobuilders.com
Sat, 14 Feb 2004 11:35:24 -0800


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Or, how about plugging the entire pinblock? It is not all that difficult to
do and probably won't take much more time than the alternatives.

See the attached photo.

Del



> -----Original Message-----
> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org]On
> Behalf Of David Renaud
> Sent: February 14, 2004 6:31 AM
> To: pianotech@ptg.org
> Subject: epoxy tuning hole repair
>
>
>    Using West system epoxy as a "shim" undersizing
> large Tuning pin holes. Was #6 pins. Did a test. Feels
> tight, not as ideal as I would like but tight.
>
>    How permanent a repair is this type of thing?
> Will the epoxy repair polish, ware, and fail?
>
>    Client is willing to pay for an upright pin block
> if I insist. Its an old piano, some soundboard screws.
>
> I am wondering about the  cost/reward on the pin
> block, looking for judgement on the longevity of epoxy
> repair.
> Its getting string, hammers, bushings, action
> overhaul.
>
>    This test repair was done by plugging with #2 pin
> and epoxy, removing the pin, and using #5. Its tight.
>
>    Tempted to try again, mixing in some fibber
> saved from grinding Bolduc's maple blocks. This
> might improve the feel.
>
>    So, do you still vote for the block?
>    Do some consider the epoxy permanent, or liable
>    to fail? Only done upright pin block twice
>    but with a new board and bridge.
>
>                     Dave Renaud
>                     RPT
>                     Canada
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