Re: [TCML] The Practical construction of VTTCs

[Neon Tesla <neontesla@xxxxxxxxx>]

          Sorry for not properly elaborating, the secondary will
be protected much more than with just varnish as my 8" coil
burned out after only 4 runs. Hope that helps.

On Sat, Jul 14, 2012 at 10:08 PM, Quarkster <quarkster@xxxxxxx> wrote:

> Neon Tesla wrote:
>
> " ...but it will help me learn the necessary techniques for
> going full scale on a 12" coil that will be greatly
> protected by the oil."
>
> "Greatly protected" from what??
>
> Quarkster
>
>
> --- On Sat, 7/14/12, Neon Tesla <neontesla@xxxxxxxxx> wrote:
>
>
> From: Neon Tesla <neontesla@xxxxxxxxx>
> Subject: Re: [TCML] The Practical construction of VTTCs
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Saturday, July 14, 2012, 6:48 PM
>
>
>            I don't expect anything from the oil in the VTTC
> but it will help me learn the necessary techniques for
> going full scale on a 12" coil that will be greatly
> protected by the oil.
>
>
> On Sat, Jul 14, 2012 at 6:05 PM, Steve Ward <steve.ward@xxxxxxxxx> wrote:
>
> > What do you expect to gain from filling your secondary with oil?
> >
> > Steve
> >
> > On Sat, Jul 14, 2012 at 5:06 PM, Neon Tesla <neontesla@xxxxxxxxx> wrote:
> > >            Yes I think paralleling MOTs is best now that you
> > > mention it, since I can't find hide nor hair of the shunts on
> > > my MOTs. I also want to try out an oil filled secondary to
> > > see how well it works before implementing it on a 12"
> > > coil.
> > >
> > >            Thanks
> > >
> > > On Sat, Jul 14, 2012 at 10:16 AM, Futuret <futuret@xxxxxxx> wrote:
> > >
> > >> Hello Neon,
> > >>
> > >> VTTC's are not very critical or complex.  The schematic you
> > >> referenced should work OK.  The listed values are probably
> > >> sufficient for use with two MOT's.  I often use a single large
> > >> MOT with level shifter (doubler) which gives 4kV output to the
> > >> tubes.  However the 572B's can be unhappy with such high
> > >> voltage and can be destroyed.
> > >>
> > >> The circuit itself will limit the current.  No need to use any
> > >> ballast.  No need for an oil filled secondary unless you
> > >> just want too anyway.  In fact you can obtain better results
> > >> by removing the shunts from the MOT (depending on the MOT,
> > >> this can be hard to do without ruining the MOT... so using
> > >> two MOT's in parallel as you suggest may be the best bet).
> > >>
> > >>  http://futuret.110mb.com   (website seems to be down now).
> > >>
> > >> Cheers,
> > >> John
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >> -----Original Message-----
> > >> From: Neon Tesla <neontesla@xxxxxxxxx>
> > >> To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> > >> Sent: Sat, Jul 14, 2012 1:01 pm
> > >> Subject: [TCML] The Practical construction of VTTCs
> > >>
> > >>
> > >>             I recently purchased a matched set of 572B
> > >> tubes for a 3" VTTC and now I realized that there are
> > >> not nearly as many pages on the practical
> > >> construction of VTTCs so now i'm stuck. I was planing
> > >> to use both tubes and parallel two MOTs, then use an
> > >> oil filled secondary. I know the basics of a VTTC but
> > >> I have many questions.
> > >>
> > >>             Firstly I wonder if
> > >> this<
> > >>
> >
> http://www.instructables.com/files/orig/FO0/K0NC/G3TDVWJB/FO0K0NCG3TDVWJB.jpg
> > >> >
> > >> schematics
> > >> values would
> > >> need to be upped to handle two MOTs? Second I was
> > >> wondering if the MOTs would need a ballast or rather
> > >> the tubes would draw the required current and not
> > >> pull too much current. Any help is greatly appreciated,
> > >>
> > >>             Thanks!
> > >>
> > >>
> > >> --
> > >> Don't lower your expectations, raise the voltage !
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> > >>
> > >>
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> > >>
> > >
> > >
> > >
> > > --
> > > *Don't lower your expectations, raise the voltage !*
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> >
>
>
>
> --
> *Don't lower your expectations, raise the voltage !*
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>



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*Don't lower your expectations, raise the voltage !*
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