Bedding the Patent Action

[Stéphane Collin]

Hi Ric.

I face the same thing with my latest Knabe 1877 : the keybed is divided into
many pieces, at the back obviously to conjure humidity swings, and at the
front, indeed, same : the front side of the keybed is mobile, and is
floating, unless you screw it tight enough to contact the keyframe.
I don't believe that it goes about facilitating the shift movement.  Most
obvious effect for me is 1° thump sound, and 2° finger landing feeling.  I'm
sure there are some sound issues behind.

Best regards.

Stéphane Collin.

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Richard Brekne
Sent: vendredi 16 novembre 2007 22:37
To: caut at ptg.org; pianotech at ptg.org
Subject: Bedding the Patent Action

Hi

I have a question about the Bluthner Patent Grand Action. Is there some 
reason why the front rail should be floating about 3 mm off the keybed 
?