Two Capstans again

Joe And Penny Goss imatunr@srvinet.com
Fri, 17 Jan 2003 08:10:49 -0700


Hi,
One might not need two capstans to accomplish what you are trying to do.
Just a redesigned capstan head, and wippen roller like a sax C to C# roller
on the keys.
Boy just think of all the oppertunities for income that would create with
stickt rollers. Goose Juice to the rescue.
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message -----
From: "Richard Brekne" <Richard.Brekne@grieg.uib.no>
To: "Pianotech" <pianotech@ptg.org>
Sent: Friday, January 17, 2003 12:57 AM
Subject: Re: Two Capstans again


> Been thinking about this, and I suppose you are right Bill. There should
> be enough sliding motion to cause at least as much wear on the cushion
> as now.
>
> Still, if you had nice rounded edges nicely polished perhaps that wear
> might not be so extreme as to offset the << benifit >> gotten in
> relation to the ratio.
>
> Course this assumes that it is a benifit to in essence have a dynamic
> key ratio. How would that feel, I wonder, under actual play ? At the
> beginning of the key stroke you would have say a 5.7 ratio... and
> gradually through the keystroke this would change to perhaps 6.0,
> Perhaps not so large a change... but just so.
>
> Might be interesting to see in anycase. But somebody has had to have
> tried this out at somepoint in the past ... eh ?? or what ?
>
> RicB
>
> Bill Ballard wrote:
>
> > At 3:52 PM -0800 1/16/03, David Ilvedson wrote:
> > >Wouldn't you need to change the shape of the sticker, wippen butt,
> > >etc. to fit the
> > >concave shape.  For some reason it seems it would bind...?
> >
> > I'm more worried by the fact that the bearing surface on the concave
> > cap is a thin circular rim, as opposed to the round dome of the
> > convex design. While it would alternate nicely between the leading
> > and trailing edges of that rim, it would also seem to scrape away at
> > the rep cushion in the process.
> >
> > Bill Ballard RPT
> > NH Chapter, P.T.G.
>
> --
> Richard Brekne
> RPT, N.P.T.F.
> UiB, Bergen, Norway
> mailto:rbrekne@broadpark.no
> http://home.broadpark.no/~rbrekne/ricmain.html
>
>
> _______________________________________________
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