Re: Ganging MOT's w/ Voltage doubler(s)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Gregory Hunter by way of Terry Fritz <twftesla-at-uswest-dot-net>" <ghunter31014-at-yahoo-dot-com>

Hi Erik,

I built just such a power supply not too long ago and
got excellent results with it.  I used two MOTs with
two voltage doublers to produce about 12kvdc (pulsed)
at several hundred milliamps.  Using this power
supply, I got sparks up to 5 feet long from my little
4" x 24" Tesla coil. This was a rather intense power
supply, sucking roughly 20 Amps from a 240vac workshop
outlet.  It was hard on both caps and gap, but it sure
put out the power.  The twin MOT supply is in
semi-retirement now, as I am using the two MOTs for
pole transformer ballast, but I could reassemble it
pretty quickly should the need arise. Have a gander at
my web pages for more technical detail.  While you're
at it, link over to Finnish coiler Marco Denicolai's
web site and see his neat twin MOT supply.  I have a
link to it on my page.  Best regards.

Greg
http://hot-streamer-dot-com/greg

--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "Erik Byng by way of Terry Fritz
> <twftesla-at-uswest-dot-net>" <e_byng-at-hotmail-dot-com>
> 
> Hello again.
> How would one gang together MOT's using a voltage
> doubler, keeping the amps 
> down somewhat and enough "kick" for a TC??
> I've got 4 or 5 to play with (got em free! free is
> good...) so I can afford 
> to screw up once or twice, but I'd like to avoid
> that sort of thing......
> For instance, would they have to be potted into a
> true trans oil, or would 
> good old recycled NST tar work??
> 
> thanks
> :-)
> Erik
>
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