Re: 5MV, 15/120mA Tesla Coil

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Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net> 


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, January 04, 2004 10:21 AM
Subject: Re: 5MV, 15/120mA Tesla Coil


 > Original poster: dhmccauley-at-spacecatlighting-dot-com
 >
 >
 > I seriously doubt they were even close to 5MV.  There are problems with
this
 > that are blatantly obvious.
 >
<snip>
 > Dan
 >
 >
 >  > I read somewhere a few years ago on the TCBA newsletter (I think) about
a
 >  > team of coilers (pro physisicts? can't remember) that made an 8"x40"
 >  > secondary with ~7000 turns of 42 awg. They managed still to get 5
million
 >  > volts out of it with if I remember right a 15/120 supply. I take it
that
 >  > higher voltage doesn't necessarily mean longer spark, but am I
overlooking
 >  > something else? I don't think they mentioned the output length, but 5MV
is
 >  > hard to picture short.
 >  >   What if I keep the primary inductance high and add a bigger topload?
 > This
 >  > was my original idea, but was thinking that adding a breakout point
 > reduces
 >  > the effective capacitance, or does it do the equivelent of making it a
big
 >  > leakier capacitor? Can't test this without my scope and kinda chicken
to
 > try
 >  > since it's not a robust tube unit.
 >
 >

Maybe there's some confusion here about Tuve's 5MV coil that operated in a
pressurized oil tank and conventional air insulated TCs?

A 5MV coil, in air, would need a toroid with a radius of curvature on the
order of 2m.. that's pretty huge