Forster upright with negative crown

[Gregor _]

Hi Jean-Jaques,

yes indeed, sounds strange and as I mentioned: hard to imagine that it can 
vibrate freely. But it takes only a few minutes to do and if it doesn´t 
work: so what. Just unscrew the coin.

I wouldn´t do that with a customer´s piano, only with my own in my shop. I 
will ask a collegue who attended the class together with me. Perhaps he 
knows more. Anybody else who heard about that dirty trick?

Gregor


>From: "Jean-Jacques GRANAS" <lemotjuste at data.pl>
>Reply-To: Pianotech List <pianotech at ptg.org>
>To: pianotech at ptg.org
>Subject: Forster upright with negative crown
>Date: Tue, 24 Jul 2007 11:52:40 +0200
>
>Hi Gregor,
>
>Thanks for answering my post. I'm afraid, however, that I don't quite
>understand the screw and coin trick you're writing about. Sounds exotic to
>me. It seems to me that anything pushing the board forward from the back
>would also prevent it from vibrating freely.
>
>I realize that the only permanent fix would be to replace the board or
>reglue it with new ribs, but, as I wrote, the instrument is not worth the
>expense or the time. That's why I would be interested in suggestiions that
>could improve its sound somewhat, if that's possible.
>
>Cheers,
>
>Jean-Jacques Granas
>Warsaw, Poland
>
>

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