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RE: dual mot tc (fwd)
---------- Forwarded message ----------
Date: Fri, 5 Oct 2007 20:10:09 +0200
From: David Svensson <david@xxxxxxxxx>
To: 'Tesla list' <tesla@xxxxxxxxxx>
Subject: RE: dual mot tc (fwd)
Hi! The only problem I see is the plastic bottle will have a hard time
standing up the voltage. I've tried that once it punctured almost
immediately
You are much better of (I think) with glass bottles it's a proven design
that Tesla himself used.
Best Wishes/ David Coiling in Sweden
-----Original Message-----
From: Tesla list [mailto:tesla@xxxxxxxxxx]
Sent: den 5 oktober 2007 19:18
To: tesla@xxxxxxxxxx
Subject: Re: dual mot tc (fwd)
---------- Forwarded message ----------
Date: Fri, 5 Oct 2007 07:37:05 -0700
From: Clive Hansen <mrclivehansen@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: dual mot tc (fwd)
I think I will be using caps made from a 2 liter plastic bottle filled
with
salt water with a copper pipe suspended in it and tin foil covering the
outside of the bottle. Does anyone think that this would work
acceptably?
On 10/4/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>
>
> ---------- Forwarded message ----------
> Date: Fri, 5 Oct 2007 15:12:30 +1000
> From: A. Wang 2007 T476202 <tangara_02@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: RE: dual mot tc (fwd)
>
>
> Don't even bother thinking about the MO caps. They have high losses at
> 500Hz-ish, let alone RF. If you can, get some tinfoil and projector
> slides, and you can build a plate capacitor. Otherwise, your plan is
> pretty much fine as i see it. I went with a MOT coil myself.
>
> A.Wang 2007
> _____________________________________________________________
>
> "If you do nothing, nothing will go wrong"
>
> Bean- The Ultimate Disaster Movie
>
> > Date: Thu, 4 Oct 2007 22:43:27 -0600
> > From: tesla@xxxxxxxxxx
> > To: tesla@xxxxxxxxxx
> > Subject: RE: dual mot tc (fwd)
> >
> >
> > ---------- Forwarded message ----------
> > Date: Fri, 5 Oct 2007 00:32:40 -0400
> > From: Scott Bogard <teslas-intern@xxxxxxxxxxx>
> > To: Tesla list <tesla@xxxxxxxxxx>
> > Subject: RE: dual mot tc (fwd)
> >
> >
> > Clive,
> > A few suggestions, wire your MOTs in series/anti-parallel
> > configuration, this means have the two MOT cores wired together with
a
> > ground (like a center tap grounded NST) and wire the primaries in
> > parallel. If you cannot draw any arcs between the two HV outs, then
> > reverse polarity of only one of MOT primaries. 1/4 cu tubing is
fine.
> > The advantage of this is that the MOTs are working at their ordinary
> > voltage ratings, and oil is not necessary (they also run quieter
this
> way,
> > as their noise cancels each other out, kind of cool). 18AWG wire is
> kind
> > of big, unless you plan on building a big secondary, like 12-in
> diameter,
> > (I assume you plan on using 18 AWG "magnet wire" correct?). Three
> segment
> > spark gap should be fine if designed properly, I cannot help you
there,
> > never had good luck with multi-segment gaps, I went strait to a
rotary
> > gap. You cannot use MO caps for a tank cap, they will be terribly
> > inefficient, and I've read about them blowing up in TC use (you
cannot
> > believe everything you read however, perhaps someone on the list can
> > verify or discredit this). Your best bet would be a proper MMC with
CD
> > caps, or if you are really strapped for funds (like me), you could
build
> a
> > cap the old fashioned way, check the archives if you are interested.
I
> > hope this helps, good luck. Scott Bogard.
> >
> > > Date: Thu, 4 Oct 2007 20:39:01 -0600
> > > From: tesla@xxxxxxxxxx
> > > To: tesla@xxxxxxxxxx
> > > Subject: dual mot tc (fwd)
> > >
> > >
> > > ---------- Forwarded message ----------
> > > Date: Thu, 4 Oct 2007 17:13:47 -0700
> > > From: Clive Hansen <mrclivehansen@xxxxxxxxx>
> > > To: Tesla list <tesla@xxxxxxxxxx>
> > > Subject: dual mot tc
> > >
> > > Hello,
> > > I am thinking of building a coil using two mots in series
under
> oil
> > > with an inductive ballast to limit current. For a tank cap, I want
to
> use
> > > two or three microwave oven caps in series. My spark gap will be a
> three
> > > segment gap quenched by a leaf blower. I want to use 1/4in copper
> piping for
> > > the primary and 18 gauge wire for the secondary. I must use
microwave
> oven
> > > parts because they are very cheap. If anyone sees any problems
with
> this
> > > setup please let me know.
> > >
> > > Thanks,
> > > Clive
> > >
> > >
> >
> > _________________________________________________________________
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