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Re: max spark length ?




From: 	Peter Electric[SMTP:elekessy-at-macquarie.matra-dot-com.au]
Reply To: 	elekessy-at-macquarie.matra-dot-com.au
Sent: 	Sunday, August 10, 1997 6:03 AM
To: 	Tesla List
Subject: 	Re: max spark length ?

Tesla List wrote:
> 
> From:   FutureT-at-aol-dot-com[SMTP:FutureT-at-aol-dot-com]
> Sent:   Saturday, August 09, 1997 2:11 AM
> To:     tesla-at-pupman-dot-com
> Subject:        Re: max spark length ?
> 
> In a message dated 97-08-08 13:04:39 EDT, you write:
> 
> <<
> >    I just came into ownership of a 15,000 volt 30 ma neon sign xfrmr (let
> me
> > tell ya, this thing looks cool :) Its got the big insulators sticking out
> of
> > the sides and everything) and I was wondering how good of a disruption type
> > tesla coil I could build with this. I am not new to tesla coil building,
> but
> > it has been a while since I have. If I built a good coil, and it was well
> > tuned, what would be the approx max spark length from a coil using this
> > transformer?
> 
> > Thanks in advance,
> > Brad
> > brad-at-greenepa-dot-net
> >  >>
> 
> Brad,
> 
> A 15kV, 30ma transformer can give more than 42" of spark.  I don't know
> how much more...but I get 42" from my 12kV, 30ma transformer powered
> TC.  I estimate that you could get 10% more spark from the 15kV trans...
> for a total spark length of about 46".
> 
> Safe coiling to ya,
> 
> John Freau

While John may have achieved these spark lengths, from mine and others
experiences, it is no mean feat! and probably the result of some years
experience.

I have only just managed to get 40" from my "two" 15Kv 30Ma trannies so
I think you should be quite pleased with yourself if you get 36".
There's still nothing quite like the thrill of producing your first
lightning bolts!

Cheers,

Peter E.