Key Inertia

Richard Brekne Richard.Brekne@grieg.uib.no
Thu, 18 Dec 2003 23:41:13 +0100


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Sarah Fox wrote:

> Hi Ric,
>
> > > Now remove keystick mass.  Less mass means the key/action moves faster
> with
> > > the *same force*.  That means the hammer moves to the string faster and
> > > strikes the string harder.
>
> Ric!!!  ;-)
>
> Add/remove equal mass on *both* sides of the balance rail, so that BW
> remains the same.  Or compensate with assist springs to produce the same BW.
> Or compensate for a six-fold increase in BW by flying the piano to the moon.
> Or whatever...  I didn't mean to suggest changing balance weight!  I'm only
> talking about changing key inertia, while keeping all other things
> (including balance weight) equal.
>
> Peace,
> Sarah
>

Grin... ok... as long as we are talking about << both sides now >> ... Just
keeping you on your toes as it twere....  I got a long post coming up ... and I
am particularilly interested in what you and Mark have to say on the matter....
keep a look out for it.

Cheers
RicB


--
Richard Brekne
RPT, N.P.T.F.
UiB, Bergen, Norway
mailto:rbrekne@broadpark.no
http://home.broadpark.no/~rbrekne/ricmain.html
http://www.hf.uib.no/grieg/personer/cv_RB.html


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