Re: Aussie coilers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Robin Copini by way of Terry Fritz <teslalist-at-qwest-dot-net>" <rcopini-at-merlin-dot-net.au>

Hi Peter,

  There are quite a few of us here in Oz. I'm in Adelaide along with Justin
Wright and a couple of others.

  Take a look at

  www.geocities-dot-com/rcopini

to see my coil

  Best Regards

  Robin Copini



----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, January 30, 2003 5:53 PM
Subject: Aussie coilers


 > Original poster: "Peter Terren by way of Terry Fritz
<teslalist-at-qwest-dot-net>" <pterren1-at-iinet-dot-net.au>
 >
 > Dear Chip
 > please consider this for posting (now updated with a web site)
 >
 > Peter from Western Australia.
 >
 > My first TC was 'discovered' while running spark spectroscopy project
 >   in high school 30 years ago.  This used about 5Kv from a multivibrator
 >   excited dual ignition coils through a few turns of an air cored radio
 >   coil to quench it. The other end of the 100 turn coil developed a
 >   corona visible in the dark spectroscopy room. I later developed this
 >   idea with an old transformer from a dump which in retrospect was an
 >   old NST. I used a single static gap with a 12 inch ferrite cored coil
 >   of perhaps 8 primary and 100 turns secondary giving 2 inch sparks with
 >   20 small ceramic capacitors.  It ran nicely for about 20 years! Years
 >   after I made it I heard that Tesla had beaten me to that discovery by
 >   quite a few years!
 >
 > The internet changed everything and now am running 4 MOT's under oil
 >   with an angle grinder ASRG on 4inch coil and use a polyethylene/oil
 >   capacitor in a 6 inch PVC (with z folding instead of rolled)
 >   for around 4ft sparks.  Details and pics in website and also includes
 > other HV stuff.
 >
 >
 > <http://members.iinet-dot-net.au/~pterren>http://members.iinet-dot-net.au/~pterren
 >
 > My questions:
 > 1 Anyone nearby in Australia with similar interests or am I alone out here
 > in the
 >   wilderness?
 > 2 Has anyone else used a ferrite core particularly for mini TC's.
 > 3 The toroid acts as a large shorted turn. What is the effect of a toroid
 > that is not a complete circle to prevent the shorted turn?
 >
 > Cheers, Peter
 >
 >