Re: Any Reason For This???

To: tesla-at-pupman-dot-com
Subject: Re: Any Reason For This???
From: Richard Hull <hullr-at-whitlock-dot-com>
Date: Mon, 30 Sep 1996 09:31:44 -0700

Tesla List wrote:
> 
> >From gcerny-at-megspo.megsinet-dot-netFri Sep 27 22:20:54 1996
> Date: Fri, 27 Sep 1996 20:19:37 +0000
> From: Glenn <gcerny-at-megspo.megsinet-dot-net>
> To: tesla-at-pupman-dot-com
> Subject: Any Reason For This???
> 
> Fellow sparkers,
> 
> While firing my 6" coil the other night I decided
> to put my earlier 4" on a chair so that the top bushing
> was about 2' away from the 6" coils torroid just
> to see what would happen.  I expected the arcs
> to strike the top terminal of the 4" and who knows
> maybe what else?   I was suprised that rather than
> hit the top terminal the arc took a direct path
> about a third way down the 4" coil puncturing a
> hole through the Behr build 50 and stayed there
> like it was glued solidly.  Anyone have a idea why
> this arc missed a brass terminal that was about 6"
> closer and took the hard road through epoxy and
> formvar to find happieness?
> My explaination to the bystanders that night was
> "RF is some weird stuff".  Perhaps someone could
> be a little more technical.
> Glenn


Glenn,

Regardless of whether you had the base of the free coil grounded or not, 
it will resonate at its characterisitc wavelegth as a 1/4, 1/2, and or 
3/4 wavelengths.

Where the 6" coil's spark hit was a nodal point on the 4" where a high 
voltage appeared out of phase with the 6" coil's arc.  The two added 
together and a nice long arc which stayed connected was the result.  The 
arcs found one another at the ideal summing point for the two systems.

Richard Hull, TCBOR