Re: Dangers of running 2 coils...

To: tesla-at-pupman-dot-com
Subject: Re: Dangers of running 2 coils...
From: wwl-at-netcomuk.co.uk (Mike Harrison) (by way of Terry Fritz <twf-at-verinet-dot-com>)
Date: Sat, 27 Feb 1999 13:37:24 -0700
Approved: twf-at-verinet-dot-com

On Fri, 26 Feb 1999 06:33:20 -0700, you wrote:

>Original Poster: "Ross W. Overstreet" <ross-o-at-mindspring-dot-com> 
>
>Last weekend I lugged my coil over to fellow coiler Brian Basura's
>house.  After the initial ooohs and aaahs, we took a break to so some
>tuning to our respective coils.  Brian finished while I was still
>working on opening my gap up a bit and asked me if he could try some
>quick test runs.  I was about 2X as far away as I figured that his coil
>could reach, so I said go for it.  About 15 seconds into his run I
>wondered if my cap might possibly be getting charged from the huge field
>that his coil was emitting.  I took the "red" cap wire that was in my
>hand and brought it close the the "black" cap wire on the gap.  At about
>1/4" away I got a huge "bang".  I quickly slid the wires on the same
>bolt and backed away!

At last year's UK Teslathon, small sparks were seen to jump from a
nearby coil's toroid when another, rather powerful, one was being
fired.
If you have 2 coils with close resonant frequencies, I'd think you
could get quite a lot of power coupled between them.