Re: Designing coil for use with Pole Transformer . . .

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

Original poster: "Mr Gregory Peters by way of Terry Fritz <twftesla-at-qwest-dot-net>" <s371034-at-student.uq.edu.au>

This larger diameter may be more efficient, but is it really worth all 
the extra weight and handling issues when a 10" or 12" diameter 
secondary could make the same sparks with maybe just a tad more power 
input? 

Cheers,

Greg Peters
Department of Earth Sciences,
University of Queensland, Australia
Phone: 0402 841 677
http://www.geocities-dot-com/gregjpeters



----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Date: Tuesday, September 3, 2002 4:38 am
Subject: Re: Designing coil for use with Pole Transformer . . .

> Original poster: "D.C. Cox by way of Terry Fritz 
> <twftesla-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>
> 
> 
> No, no jesting.  Our model M-150 system uses these exact 
> parameters and it
> produces 1 MEV with 9.5 ft. long discharges.  Coil length is 52 
> inches.
> John Freau used less than 900 watts in a setup with a very large 
> dia coil to
> produce incredible output sparks over 42 in long.
> 
> Large diameters promote better coupling of energy from pri to sec 
> inductors.
> Dr. Resonance
> 
> 
> 
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Monday, September 02, 2002 7:06 AM
> Subject: RE: Designing coil for use with Pole Transformer . . .
> 
> 
> > Original poster: "Dave Hartwick by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <ddhartwick-at-earthlink-dot-net>
> >
> > Dr.,
> > With all due respect: 18-24" DIAMETER secondary!?
> >
> > You jest, of course.
> >
> > Dave Hartwick
> >
> >
> > Dan:
> >
> > Usually you set up the pig for testing with a climbing arc on 
> the output.
> > Then, if you set your current reactor to draw around 40 Amps on the
> primary
> > circuit you could match a .05 uF or .06 uF in the primary.
> >
> > Run a asynchronous RSG at 1725 RPM with around 12 electrodes on 
> a 16 in.
> > dia. G-10 disk (1/2 in thick).  This will give you a good start. 
> I would
> > suggest a sec coil of around 18-24 in. dia with an aspect ratio 
> of 4.5:1.
> > Oscillator base height around 22 inch (pri elevated at 24 in 
> above ground
> > level).
> >
> > Dr. Resonance
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "Tesla list" <tesla-at-pupman-dot-com>
> > To: <tesla-at-pupman-dot-com>
> > Sent: Saturday, August 31, 2002 12:27 PM
> > Subject: Designing coil for use with Pole Transformer . . .
> >
> >
> > > Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> > <dhmccauley-at-spacecatlighting-dot-com>
> > >
> > > Just finished building my 4" tesla coil, tuned well and 
> producing 4
> feet+
> > > streamers from a 15kV, 60mA.  My previous problem had to do 
> with the
> SRSG
> > > not being tuned correctly.  Well, anyways, its time to move on.
> > >
> > > I just acquired a 5kVA, 14.4kV Pole Transformer
> > > 120/240 Secondary
> > > 14400/29940y Primary
> > > Non-CSP
> > > No Lightning Arrestors
> > > Two-Bushing
> > >
> > > (free gift) and had the following questions??
> > >
> > > 1.  How does one properly design a primary tank circuit with these
> things?
> > > I know the design approach is different than using a NST which 
> has a set
> > > output current.  Would I first design my ballast for some maximum
> current
> > > and then do my design from there????
> > >
> > > Any help appreciated.  Thanks!!!
> > >
> > > Dan
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> >
> >
> 
> 
> 
>