Restoring old uprights

Joe & Penny Goss imatunr@srvinet.com
Sun, 12 Aug 2001 12:59:24 -0600


Hi Charles,
The plug drilled first and glued in place is partly drilled out when the
second drilling is done. It sort of looks like an intermeshing of wood.
Looks to me like it would be Very stable if done right.
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message -----
From: "Charles Neuman" <piano@charlesneuman.net>
To: <pianotech@ptg.org>
Sent: Sunday, August 12, 2001 12:30 PM
Subject: Re: Restoring old uprights


> Newton wrote:
> > One is to drill a large hole into the block
> > and replace the removed material with pin block plugs and redrill.
Great
> care
> > needs to be taken to assure that the plugs are well and truly glued into
> place
> > and that they will never (nearly) rotate.
>
> I wonder if you drill the holes for the plugs so that they are off center
> from the hole where the pins were and will be. That way, the plug would be
> restricted from rotatating. That would involve somehow "remembering" where
> the original tuning pin holes were. Maybe you could make an outline of
where
> all the pins are, drill the plug holes off-center and then use the outline
> to drill the new holes.
>
> I might be way off here. I don't really know anything about drilling a pin
> block. I'm still near the beginning of the Potter course! Give me some
> time...
>
> Charles Neuman
> PTG Assoc.
> Nassau County, NY
>



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