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Re: [TCML] The Practical construction of VTTCs
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"
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).
> -----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
> 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,
> Don't lower your expectations, raise the voltage !
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