By toes wet do you mean coil or top load?
Am interested in both.
Teddy
On Jun 9, 2020 4:56 PM, "Terry Oxandale" <toxandale@xxxxxxxxxxxxx> wrote:
> Thanks Doug, but looking for a possible terminal cap in the 10" x 40" or
> bigger. Built a new COVID-19 version coil, and am guessing the current 8x34
> will work well, but bigger may be better. I'm thnking of getting my toes
> wet on this type of design.
> Ox
> On Tuesday, June 9, 2020, 03:45:54 PM CDT, Douglas Johnson <
> doug379306@xxxxxxxxx> wrote:
>
> Hey Terry, I have 2 copper coil toroids, one is 2,5" by 9" the other is 3"
> by 9" that I would sell for $35 each plus $10 shipping.
> Pictures on demand!
> Doug
>
> On Tue, Jun 9, 2020 at 2:50 PM Terry Oxandale <Toxandale@xxxxxxx> wrote:
>
> > Thanks Carlos. I knew I'd seen some postings about it, but had no idea on
> > where to begin to find them.
> >
> > -----Original Message-----
> > From: Tesla <tesla-bounces@xxxxxxxxxx> On Behalf Of Antonio Queiroz
> > Sent: Sunday, June 7, 2020 8:28 PM
> > To: tesla@xxxxxxxxxx
> > Subject: **External Email** Re: [TCML] Toroid efficiency tube vs spun
> >
> > Em 07/06/2020 18:17, Terry Oxandale escreveu:
> > >
> > >
> > > I've seen various designs for toroid construction (spun, multiple
> > tubes-loops, conductive film/covering, etc), and have yet to understand
> > electrical differences in the traditional continuous-surface toroid,
> versus
> > the multiple tubular-loop ones.
> > > Assuming the same minor and major diameters between the two (or what
> one
> > would consider that for the tubular one), I would think that variability
> > exist in total capacitance or field differences between the two,
> especially
> > in terms of the number and spacing of the individual tube-loops to each
> > adjacent tube-loop. Does anyone have knowledge of the frequency/spacing
> > relationship that would garner electrical equivalence between the two, or
> > is that not feasible to say one could never perfectly match the other in
> > terms of breakout/capacitance/field characteristics?
> > > Terry
> >
> > The capacitances of a smooth toroid and of a toroid made with tubes, with
> > the same outer shape, are almost identical. The breakdown voltage of a
> tube
> > toroid is always smaller. There was some discussion about this in the
> list
> > years ago, with simulations.
> >
> > Antonio Carlos M. de Queiroz
> >
> >
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