Re: first light on coil

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "S & J Young by way of Terry Fritz <twftesla-at-qwest-dot-net>" <youngs-at-konnections-dot-net>

Colin,

Your racing sparks are a classic symptom of too much coupling between your
primary and secondary.  Try raising your secondary until the racing sparks
stop.
--Steve
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, January 17, 2002 8:02 AM
Subject: first light on coil


> Original poster: "colin.heath4 by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<colin.heath4-at-ntlworld-dot-com>
>
> hi all
>
> i have first light on my table top coil tapped at seven turns on the 18
swg
> primary
> its run from a 6 Kv 25 mA fart nst
> the secondary is 2.2" on pvc pipe wound with 38 awg wire about 11" length
> i am runing a .0132mf mmc tank cap
> the spark gap is a five section multiple gap made with copper pipe i am
not
> blastimg air over it yet and i am only running three small gap as when i
open
> the gaps i get racing sparks down the secondary. i think i need to varnish
a
> bit more( to eager to see it work) if i tap a t five gaps the output is
about
> 4-5" streamers in air poss 6" to grounded rod when i open gaps i hope for
a bit
> more the output terminal is a 4" spun ali toroid with a brass sphere on
top
> my question is if i open the gap do i have to retune the primary?
> many thanks to all who helped me achieve first light
> colin heath
>
>
>
>