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Quench, Coherence etc.




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From:  lod-at-pacbell-dot-net [SMTP:lod-at-pacbell-dot-net]
Sent:  Monday, August 10, 1998 2:31 PM
To:  Tesla List
Subject:  Re: Quench, Coherence etc.

Malcolm Watts wrote:


> Results: - 2 gaps : no effective quench except with attached streamer.
>            Mostly 3, 4th notch quench. 11" hot blue spark to ground
>            rod 20% of the time.
>          - 4 gaps : quench mostly 2nd notch w. no breakout, always
>            with breakout. Spark about the same as 2 gaps.
>          - 6 gaps : quench always 2nd notch. Spark increased to 11.5"
>            20% of the time.
>          - 8 gaps : quench always 1st notch. Spark 10.5" for 20% of
>            shots - yep, it decreased.

That last part is _very_ interesting... did anything else change?
When you changed #gaps, do you think that the effective firing voltage
might have decreased?

Even with 8 rotating gaps in series, Electrum usually quenches on
the 2nd notch, and 1st for gnd strikes.  Could the arc dynamics 
possibly prefer a beating secondary?
-- 


-GL
www.lod-dot-org