Re: [TCML] Tesla Coil?

[Tesla <tesla@xxxxxxxxxxxxxxx>]

Greetings Will

I'd have another perspective re the low AC voltage from a single MOT and how 
to use this cheap and very plentiful Tesla resource. While 2kV or so in a 
classic AC spark gap design is so low that gaps are tricky my view is that 
the appropriate configuration to use with a single MOT is DC resonant 
charging. There are many successful single MOT DC designs similar to that of 
Steve Connor (Scopeboy) at http://scopeboy.com/tesla/tc2schem.html
This design delivers 20kV to the primary capacitor from a single  MOT  My 
single MOT coil (of that design) and similar ones I've seen all produce arcs 
over 2 feet. See Also Mike's version at 
http://www.capturedlightning.org/hot-streamer/drilling/dcconstruct.html
Good luck and I can only endorse those safety message with MOT's,  like all 
HV non current limited transformers they are dangerous.
Good luck
Ted in NZ

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On 2013-12-23, at 22:40, David Speck <Dave@xxxxxxxxxxxxxxxx> wrote:

> Will,
>
> If you are getting 12" sparks with a single MOT for a power transformer, 
> I'd say that you are really  doing very well.  The general consensus on 
> the list is that MOTs are difficult for TC use because their voltage is so 
> low that it's hard to get a gap to fire without very finicky adjustments.
<SNIP>

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