Re: Happy tune!

• To: tesla-at-pupman-dot-com
• Subject: Re: Happy tune!
• From: Malcolm Watts <MALCOLM-at-directorate.wnp.ac.nz>
• Date: Mon, 10 Feb 1997 08:08:24 +1200
• Subscriber: MALCOLM-at-directorate.wnp.ac.nz Mon Feb 10 21:57:17 1997

Hi George,
           Interesting observation.....

> I ran my coil for a bit tonight and noticed something interesting. Max spark
> is not the same as Happy tune.
> 
> I am getting consistent hot 4 footers to a grounded probe while the primary
> is taped at turn 12. But the gaps fire irregularly and will eventually heat
> and go to power arcing with no streamers visible. If i drop to the 11th turn
> it runs smooth as silk, the gaps reach quiescence and all is well except 4
> footers are rare. As consolation the show is a little better with 2 or 3
> streamers instead of a single longer one..

I have noticed exactly the same thing. The gaps and caps take a real 
hammering with the erratic firing which appears to be caused by the 
erratic retention of energy in the primary tank circuit (energy 
retained increases the misfiring I think). I'd welcome other opinions 
on this one.

Malcolm 

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