The Ultimate Pinblock?

[Kerry Cooper]

Yes. With the hole size being .001 " smaller then the pin size ( I normally
use a 6.75 mm X 64 mm ) in a Renner plank you can not punch the pin into the
plank without bending or breaking the tuning pin. By turning the pin in with
a pneumatic ratchet wrench, you are not causing burning of the pin hole.

The piano I referred to was a 3/4 iron frame Bluthner UP, so it did not have
the web of the iron frame to help to hold the pin & plank. I know that this
is tought of not the thing to do, however, when I get results like this,
what is the right thing and who said that you have to punch a tuning pin.

Now this should get some responce.

Kerry Cooper
Brisbane, Australia
www.ptggq.org.au
----- Original Message -----
From: "gordon stelter" <lclgcnp@yahoo.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Wednesday, February 19, 2003 4:15 AM
Subject: The Ultimate Pinblock?


> Did you mean "turning the pins IN" - as opposed to
> pounding in with a hammer?
>      Thump
>
> --- Kerry Cooper <brispiano@optushome.com.au> wrote:
> > Terry,
> >
> > I have used Delignite, APSCO, & Renner ( almost the
> > same as Delignite) and
> > the Renner plank was far superior in the longevity
> > department then any of
> > the others. What has been said about being precise
> > about drilling is
> > correct, however,  if the pins are punched as would
> > be normal, and your
> > drilling is .001 in, the pins will not turn and will
> > break. I found that by
> > turning the pins with a ratchet wrench, you get a
> > very even and nice firm
> > pin. I tuned a piano I used this method on 12 years
> > ago just last month, and
> > the pins are still the same as they were when I
> > finished the job.
> >
> >>
>
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