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Re: dual mot tc (fwd)

To: tesla@xxxxxxxxxx
Subject: Re: dual mot tc (fwd)
From: "Tesla list" <tesla@xxxxxxxxxx>
Date: Wed, 10 Oct 2007 19:56:27 -0600 (MDT)
Delivered-to: testla@xxxxxxxxxx
Delivered-to: tesla@xxxxxxxxxxxxxxxx
Old-return-path: <mod1@xxxxxxxxxx>
Resent-date: Wed, 10 Oct 2007 19:56:27 -0600 (MDT)
Resent-from: tesla@xxxxxxxxxx
Resent-message-id: <JhOzSw0TwkF.A.eMD.LLYDHB@chip1>
Resent-sender: tesla-request@xxxxxxxxxx
---------- Forwarded message ----------
Date: Wed, 10 Oct 2007 19:00:45 -0700
From: Clive Hansen <mrclivehansen@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: dual mot tc (fwd)

I am very strapped for cash. A bottle cap is my best option. Unless I can
build a MMC for $22 (AU) then I have to use bottle caps.

On 10/10/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>
>
> ---------- Forwarded message ----------
> Date: Wed, 10 Oct 2007 08:57:56 -0600
> From: resonance <resonance@xxxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: dual mot tc (fwd)
>
>
>
> Forget the wine bottles.  Use MMC caps.  Very inexpensive and they will
> outperform glass every time.
>
> Dr. Resonance
>
> Resonance Research Corp.
> www.resonanceresearch.com
>
>
> ----- Original Message -----
> From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Wednesday, October 10, 2007 8:03 AM
> Subject: Re: dual mot tc (fwd)
>
>
> >
> > ---------- Forwarded message ----------
> > Date: Tue, 9 Oct 2007 08:04:05 -0700
> > From: Clive Hansen <mrclivehansen@xxxxxxxxx>
> > To: Tesla list <tesla@xxxxxxxxxx>
> > Subject: Re: dual mot tc (fwd)
> >
> > It looks like I could get by with two wine botttles filled with brine up
> > to
> > the beginning of the neck with oil floating on top of the brine and
> copper
> > wire connecting them together serving as one plate and the salt water in
> > my
> > bucket with oil on top of it as the other plate. The amount of salt
> water
> > in
> > the bottles and the bucket could be adjusted to yield  a capacitance of
> > 7nf.
> >
> >
> > On 10/9/07, Tesla list <tesla@xxxxxxxxxx> wrote:
> >>
> >>
> >> ---------- Forwarded message ----------
> >> Date: Tue, 9 Oct 2007 00:20:43 -0500
> >> From: Joshua Johnson <jjohnson98@xxxxxxxxx>
> >> To: Tesla list <tesla@xxxxxxxxxx>
> >> Subject: Re: dual mot tc (fwd)
> >>
> >> This site has a calculator for bottle caps near the bottom of the page.
> >> http://www.classictesla.com/java/calculat.html
> >> I have a sneaky suspicion if you use an NST it will be a 15kV 30mA and
> >> then
> >> you'll want about 7.4nF for an LTR cap. 5nF puts you pretty close to
> >> resonance for that transformer type and could cause NST failure.
> >> Good explanation of LTR:
> >> http://www.pupman.com/listarchives/2001/January/msg00096.html
> >>
> >> Good luck,
> >> Josh
> >>
> >> On 10/8/07, Tesla list <tesla@xxxxxxxxxx> wrote:
> >> >
> >> >
> >> > ---------- Forwarded message ----------
> >> > Date: Mon, 8 Oct 2007 20:55:51 -0700
> >> > From: Clive Hansen <mrclivehansen@xxxxxxxxx>
> >> > To: Tesla list <tesla@xxxxxxxxxx>
> >> > Subject: Re: dual mot tc (fwd)
> >> >
> >> > Is there a formula for calculating the capacitance if using several
> >> > wine
> >> > bottles (I am looking for around 5nf)
> >> >
> >> > On 10/8/07, Tesla list <tesla@xxxxxxxxxx> wrote:
> >> > >
> >> > >
> >> > > ---------- Forwarded message ----------
> >> > > Date: Mon, 8 Oct 2007 11:43:02 -0700 (PDT)
> >> > > From: G Hunter <dogbrain_39560@xxxxxxxxx>
> >> > > To: Tesla list <tesla@xxxxxxxxxx>
> >> > > Subject: Re: dual mot tc (fwd)
> >> > >
> >> > > No problem.  Glass bottles and NSTs go together well.
> >> > > 12oz (355ml) beer bottles are good for 750-900pF each.
> >> > > A 6-pack is worth roughly 5nF.  A 12-pack will get
> >> > > you 10nF.  These can stand up to any NST, including
> >> > > the 15kv units.  For a "dry" cap, try wrapping the
> >> > > bottles in kitchen foil.  You can stick it on with
> >> > > spray glue.  Just roll the bottle up in foil, then
> >> > > smooth it down using the back of a big spoon.
> >> > >
> >> > > I've assembled caps like this as big as 80nF
> >> > >
> >> > > http://hot-streamer.com/greg/bottle.htm
> >> > >
> >> > > and gotten satisfactory performance from them.  They
> >> > > are not in the same league as a commercial plastic
> >> > > film pulse cap, but they are very inexpensive.
> >> > >
> >> > > Cheers,
> >> > >
> >> > > Greg
> >> > >
> >> > > --- Tesla list <tesla@xxxxxxxxxx> wrote:
> >> > >
> >> > > >
> >> > > > ---------- Forwarded message ----------
> >> > > > Date: Sun, 7 Oct 2007 13:40:06 -0700
> >> > > > From: Clive Hansen <mrclivehansen@xxxxxxxxx>
> >> > > > To: Tesla list <tesla@xxxxxxxxxx>
> >> > > > Subject: Re: dual mot tc (fwd)
> >> > > >
> >> > > > I think I have decided to possibly steer away from
> >> > > > the mots and instead use
> >> > > > an nst because of the lower output current for
> >> > > > safety. Does anyone see this
> >> > > > causing problems with the previously mentioned
> >> > > > capacitor setup?
> >> > > >
> >> > > > On 10/7/07, Clive Hansen <mrclivehansen@xxxxxxxxx>
> >> > > > wrote:
> >> > > > >
> >> > > > > Okay, from what I can gather several glass bottles
> >> > > > filled with brine with
> >> > > > > copper tubes inside them sitting a container
> >> > > > filled with brine would
> >> > > > > probably work the best for what I have access to.
> >> > > > That is probably what I
> >> > > > > will go with then.
> >> > > > >
> >> > > > > On 10/6/07, Tesla list <tesla@xxxxxxxxxx> wrote:
> >> > > > > >
> >> > > > > >
> >> > > > > > ---------- Forwarded message ----------
> >> > > > > > Date: Sat, 6 Oct 2007 16:49:04 +1000
> >> > > > > > From: A. Wang 2007 T476202
> >> > > > <tangara_02@xxxxxxxxxxx>
> >> > > > > > To: Tesla list < tesla@xxxxxxxxxx>
> >> > > > > > Subject: RE: dual mot tc (fwd)
> >> > > > > >
> >> > > > > >
> >> > > > > > Sounds fine to me, though you might need a few
> >> > > > for a decent tank
> >> > > > > > capacitance value. That's something I need to
> >> > > > try making meself. If you
> >> > > > > > can, it is slightly more preferable to try to
> >> > > > get a commercial pulse
> >> > > > > > capacitor, MMC, or doorknobs. But otherwise
> >> > > > bottle capacitors work
> >> > > > > > better
> >> > > > > > than some other commercial capacitors.
> >> > > > > >
> >> > > > > > Good luck with your coil,
> >> > > > > >
> >> > > > > > A.Wang 2007
> >> > > > > >
> >> > > >
> >> > > _____________________________________________________________
> >> > > > > >
> >> > > > > > "If you do nothing, nothing will go wrong"
> >> > > > > >
> >> > > > > > Bean- The Ultimate Disaster Movie
> >> > > > > >
> >> > > > > > > Date: Fri, 5 Oct 2007 11:17:38 -0600
> >> > > > > > > From: tesla@xxxxxxxxxx
> >> > > > > > > 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
> >> > > > > > > > > >
> >> > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > > >
> >> > > >
> >> > > _________________________________________________________________
> >> > > > > > > > > Boo! Scare away worms, viruses and so much
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> >> >
> >>
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> >> > > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > >
> >> > > _________________________________________________________________
> >> > > > > > > > Live Earth '07 updates, artist info &
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> >> > > >
> >> > > _________________________________________________________________
> >> > > > > > Live Earth '07 updates, artist info & concert
> >> > > > streams!
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> >> > > > > >
> >> > > >
> >> > >
> >> > >
> >> >
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> >>
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