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Re: It works, But I want more. (fwd)

Bert Pool wrote:
> 
> At 10:02 PM 3/3/97 -0700, David Christal wrote:
> >
> >
> >---------- Forwarded message ----------
> >Date: Mon, 03 Mar 1997 21:51:17 GMT
> >From: David Christal <xtal-at-airmail-dot-net>
> >To: Tesla-list-subscribers-at-poodle.pupman-dot-com
> >Subject: It works, But I want more.
> >
> >Thanks to everyone for helping get my first coil off the ground.
> >
> [snip]
> >
> >I know I can strap xformers of equal value, and that's next
> >
> >Now don't laugh, I can't help that I don't know any better.
> >What about strapping all 4 of my neons together:
> >
> >----------------*|||*---------------
> >               *|||*
> >               *|||*
> >240vac    ~140 *|||*12kv 30ma * 2
> >           vac *|||*
> >single  |-------*|||*-----|    =~21kv -at- 60ma
> >phase   |                |
> >        |-------*|||*-----|
> >               *|||*
> >          ~100 *|||* 9kv 30ma * 2
> >           vac *|||*
> >----------------*|||*---------------
> >
> >
> >of course, even if it worked, I'd need another capacitor in series.
> >
> >
> >All comments and suggestions are badly needed.
> >
> >David Christal 3341 Cloverdale Lane, Dallas, TX  75234
> >214 349-6972 (214 FIX MY PC) (Pool Cues and Personal Computers)
> >
> 
> David,
> 
> Neon transformers are all center tapped and the center tap is connected to
> the laminations and the case of the transformer.  When operated as a
> stand-alone transformer, the center tap is at zero volts potential.  When
> you place two or more of these transformers in series, you can end up with
> several thousand volts on the case of the transformer, usually causing a
> serious failure (not to mention a serious electrocution hazard!)
> 
> I know some of the Tesla people on this list have successfully used
> microwave oven transformers in series, but either the transformers had their
> windings already isolated from the frame,  or the builder was able to
> disassemble the transformer and add insulation and remove the connection to
> the transformer frame.  I do not know of anyone who has successfully
> isolated the cores in a neon transformer (there is very little extra room
> for additional insulation.)  Anyone out there isolated neon windings and
> successfully series connected them?  I always just thought it was too risky.
> Anyone safely done this?
> 
> Bert Pool
> nikki-at-fastlane-dot-net