Re: magnifiers

• To: tesla-at-pupman-dot-com
• Subject: Re: magnifiers
• From: MIKE WADE <mwade-at-aros-dot-net>
• Date: Thu, 02 Jan 1997 19:59:47 -0800
• Subscriber: mwade-at-aros-dot-net Thu Jan 2 23:10:24 1997

Ed:
	Thanks for the input! I am already experiencing this condition with a
12kv. 30ma. neon! I've only tried raising the sec. about an inch or so,
will play with more spacing. If convienient, you might look at a few
more specs on my coil as stated in another message I have addressed to
Bert and posted the same time as this message. Any comments you may have
(several, I bet!) are greatly appreciated. Also, how does one determine
crital coupling experimentally, or mathematically with our type of
setups?

Thanks again,
Mike

 
> When I first built my 6" dia coil.  It worked fine with 12 kv 60 ma neon sign
> transformers.  As I added power (up to 120 ma and then on to a pole pig) I
> had serious problems from overcoupling.  As I increased the variac voltage,
> the spark gaps would start firing and before the toroid would break out in
> discharges, I would get a very intense blue corona field in the perfect shape
> of a Christmas tree between the primary and secondary.  Occasionally I would
> get sparkes in this intense field and did observe sparks jumping up and down
> the secondary.  I had to raise the primary up 2 or 3 inches to fix the
> problem.
> 
> Ed Sonderman

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