Knuckles? Why not use little rollers instead ?

[Jonathan Finger]

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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