A real Nut

[Don]

Hi Richard,

Damper levers knocking on sostenuto knife? Lower the upstop rail, and/or
correct knife position?

At 11:26 PM 10/16/2001 +0200, you wrote:
>List
>
>Ok... perhaps someone is going to nail this one right away... but it
>took me a bit to figure out. Still I got it in the end...
>
>I was setting key dip today on my favorite Grotrian, been meaning to get
>around to this for a while as the dip was waaay to shallow and had
>caused some regulation creativity problems. (around 9.0 mm, perhaps even
>a bit less). Anways I roughed em in around 10 mm zip and started doing a
>few checks and right at the break between tenor and treble I ran into a
>couple black keys that made this really loud clacking sound when played
>hard.
>
>So you tell me.... what was the problem and solution !
>
>--
>Richard Brekne
>RPT, N.P.T.F.
>Bergen, Norway
>mailto:rbrekne@broadpark.no
>
>
>

Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T.

mailto:drose@dlcwest.com



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