Knuckles? Why not use little rollers instead ?

[carpthos]

Hi Jonathan,
    I think that was Herr Steingreaber, although I don`t recall his overall
satisfaction with it.
Tom

----- Original Message -----
From: Jonathan Finger <johann@tollidee.com>
To: 'Pianotech' <pianotech@ptg.org>
Sent: Tuesday, April 01, 2003 12:47 AM
Subject: RE: Knuckles? Why not use little rollers instead ?


> Gentlemen, I believe it's already been done.
>
> I could be wrong, but if my memory serves, Herr Steingraeber has already
> designed and fabricated a rolling knuckle.  Anyone know if I'm
> remembering the right/wrong thing?
>
> Jonathan Finger RPT
>
> -----Original Message-----
> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On
> Behalf Of gordon stelter
> Sent: Monday, March 31, 2003 5:36 PM
> To: Pianotech
> Subject: Re: Knuckles? Why not use little rollers instead ?
>
> You must mean "NOT be able to push" up to the string.
> I think that a stronger spring to push the jack
> towards the roller, and the tip of the roller being
> shaped like a jai-lai paddle would prevent any
> premature tripping.
>     If you build it and get rich, just send me some
> royaties, please.
>      Thump
>
> --- Wimblees@aol.com wrote:
> > In a message dated 3/31/03 5:41:51 PM Central
> > Standard Time,
> > lclgcnp@yahoo.com writes:
> >
> > > So I scrubbed away, lubed with Teflon (TM)
> > > powder, and it feels quite nice now.  But it made
> > me
> > > wonder: Would not actual tiny rollers in place of
> > the
> > > standard knuckle work much better? Out of some
> > > material just soft enough not to click?
> > >    I envisioned much less friction, no compaction,
> > > etc.. Has anyone ever tried this?
> > >   Del?
> > >   Thump
> > >
> >
> > You need a certain amount of friction. Otherwise the
> > jack will be be able to
> > push the shank up to the string. It will slip out
> > too fast. And besides, if
> > you ahve a roller, it means another moving part that
> > will need to be
> > repaired.
> >
> > Wim
> >
>
>
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