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Re: Coil Experiments / Old Tesla plans
Original poster: "Mike Harrison by way of Terry Fritz <twftesla-at-uswest-dot-net>" <mike-at-whitewing.co.uk>
On Sun, 28 Jan 2001 13:20:54 -0700, you wrote:
>Original poster: "Steve Cook by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<Steve-at-g8cyerichmond.freeserve.co.uk>
>
>The second demonstration you describe if often referred to as an ion motor.
>I Usually do this demo when I display one of my mini coils, I also do it
>regularly with a Van de Graaf generator in physics lessons where I teach.
>The rotor I use most often is bent from a strip of thin brass about .25"
>wide and bent so that it has a V shape in the middle with a small dent, this
>rests on a pin mounted on a small piece of brass, forming a low friction
>bearing. To make the points I soldered sewing needles on the ends at a
>right angles to the strip. All the edges of the brass are rounded to reduce
>corona. In the dark it is beautiful to watch and gets up to hundreds of rpm.
>
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Here's another ion motor you can make in a couple of minutes
www-dot-netcomuk.co.uk/~wwl/teslamotor.html