Bechstein key height

[G GRAVINA]

Ray,

How high are the keys in relation to the keyslip?

Jerry Gravina, RPT
Babylon, NY

At 10:59 AM 07/19/2002 -0400, you wrote:
>Tom,
>
>Thanks for the reply but I have the thinnest balance rail punchings sold by
>Schaff and their are no glides on the keyframe. Sounds like the other thing
>to do is have the keys too high in relation to the keyslip. Any other ideas?
>
>Ray
>
>-----Original Message-----
>From: Tom Driscoll [mailto:tomtuner@attbi.com]
>Sent: Friday, July 19, 2002 9:54 AM
>To: pianotech@ptg.org
>Subject: RE: Bechstein key height
>
>
>
>
>-----Original Message-----
>From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org] On Behalf
>Of Breakall, Raymond
>Sent: Friday, July 19, 2002 8:42 AM
>To: 'Pianotech@ptg.org'
>Subject: Bechstein key height
>
>
>Dear list,
>
>I am trying to fiqure out key heighth for a Bechstein grand. I must jack
>up
>the the back rail felt to fit properly with the keyslip. Then I find I
>don't
>have enough movement in the key to get enough key dip. Any ideas? Thanks
>
>Ray
>
>
>Ray Breakall
>Piano Technician
>University of Richmond
>Richmond, VA
>(804)287-6342
>
>         Ray,
>         Sounds like the balance rail punchings are too high. Check key
>frame for integrity, check for proper bedding (someone may have lowered
>the glides excessively.) and perhaps start over with all new keybed
>material to match the case etc. Also jacking up the backrail will change
>damper timing and that could turn this job into an all day event !
>         Good luck, Tom Driscoll