coil pictures and observations

• To: tesla-at-pupman-dot-com
• Subject: coil pictures and observations
• From: Stan <sdarling-at-columbus.rr-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Mon, 26 Jul 1999 23:04:56 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

I have posted some pics of my new coil on my web page at
http://tesla.better-dot-org/sgd.  It's the first coil that I have done
completely from scratch from beginning to end.  I doubled up the wire
connections from the cap through the primary and my spark length
increased noticably.  Has anyone done power-AWG vs spark length
comparisons (ie at what point do the returns of thicker wire start to
diminish given a certain power level)?  Or is there some general
rule-of-thumb formula one can use?

I also noticed that if I run my coil for more than about 45 seconds
continuously, the spark length drops off dramatically to almost
nothing.  The longer I let it sit before refiring, the longer the
spark.  I'm assuming that this is due to the poor quenching of my
two-bolt gap?

-Stan, the man, with tons of questions :)

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