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Re: [TCML] TC Newbie



Sorry, I hope I'm not pestering anyone;

When my transformer says it delivers '2x 7.5Kv, does that mean it will be
pumping 7.5kv, or 15kv through the circuit?

On Sat, Dec 6, 2008 at 5:25 PM, Lau, Gary <Gary.Lau@xxxxxx> wrote:

> PETA is a very lossy dielectric.  But even beyond that, I think that
> plastic bottles are not a good choice for bottle caps.  Any time there is
> corona, visible or not, that will rapidly degrade and melt a plastic
> dielectric and result in a puncture, and that is true regardless of whether
> or not the plastic is a lossy dielectric.  Glass is much more resistant to
> corona than plastic, so glass bottle caps can survive even with corona.
>  Corona is the reason that commercial plastic dielectric HV caps are
> constructed as many lower voltage units in series - so that the voltage
> across each section will be below the "corona inception voltage".
>
> Regards, Gary Lau
> MA, USA
>
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Jim Mora
> > Sent: Saturday, December 06, 2008 1:25 AM
> > To: 'Tesla Coil Mailing List'
> > Subject: RE: [TCML] TC Newbie
> >
> > Hello,
> >
> > I wonder if 1 or 2 liter PETE coke (or whatever) clear plastic bottles
> could
> > be used. PETE has a very high dielectric strength and puncture resistance
> > and is thin enough to really raise the capacitance and lower the weight a
> > bit. Maybe PE bottles which are thicker though.
> >
> > Jim Mora
>
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