Re: Wimshurst machines (fwd)

[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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