Re: Wimshurst machines (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 20 Nov 2003 07:26:49 -0700
From: Nick Andrews <nicothefabulous@xxxxxxxxxxx>
To: hvlist@xxxxxxxxxx
Subject: Re: Wimshurst machines (fwd)

Antonio,

Oops, didn't mean to spell your name wrong, sorry!  Still can't type!

Nick


>From: "High Voltage list" <hvlist@xxxxxxxxxx>
>To: <hvlist@xxxxxxxxxx>
>Subject: Re: Wimshurst machines (fwd)
>Date: Wed, 19 Nov 2003 20:28:22 -0700 (MST)
>
>Original poster: Steven Roys <sroys@xxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Wed, 19 Nov 2003 14:46:51 -0700
>From: Nick Andrews <nicothefabulous@xxxxxxxxxxx>
>To: hvlist@xxxxxxxxxx
>Subject: Re: Wimshurst machines (fwd)
>
>Antonia,
>
>Those are some very cool diagrams.  What software did you use to generate
>them?
>
>Nick A
>
>
> >From: "High Voltage list" <hvlist@xxxxxxxxxx>
> >To: <hvlist@xxxxxxxxxx>
> >Subject: Re: Wimshurst machines (fwd)
> >Date: Wed, 19 Nov 2003 11:31:00 -0700 (MST)
> >
> >Original poster: Steven Roys <sroys@xxxxxxxx>
> >
> >
> >
> >---------- Forwarded message ----------
> >Date: Tue, 18 Nov 2003 20:36:32 -0200
> >From: Antonio Carlos M. de Queiroz <acmq@xxxxxxxxxxxxxxxx>
> >To: High Voltage list <hvlist@xxxxxxxxxx>
> >Subject: Re: Wimshurst machines (fwd)
> >
> >High Voltage list wrote:
> >
> > >         For brushes in the DiRod generator I built I used thin strips
>of
> >the
> > > (very slightly?) conductive plastic used for envelops for
> > > static-sensitive. Might work for a Wimshurst machine. I suspect less
> > > friction than the foam, which is quite a bit more conductive.
> >
> >I used strips of conductive rubber (exactly the material mentioned in
> >A. D. Moore's book) in my Voss machine:
> >http://www.coe.ufrj.br/~acmq/voss2.html
> >Works well, but if the air is too humid the machine doesn't start. The
> >same happened when I tried the material in a Wimshurst machine. The
> >material, however, never breaks. Leaves some black residue, but it's
> >easy to clean it away.
> >
> >Antonio Carlos M. de Queiroz
> >
> >
> >
>
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