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Power arcing on a rotary(?)



Greetings,

Jon Bazemore, a fellow list subscriber, came up to my house today to see 
my coil.  One of the things that I thought I would try with him was to 
put a static gap in series with my rotary  I had the static gap tapped at 
two 0.030" gaps, as well as the rotary with about 0.060" on each side, 
giving a total of 0.060" (approximately) for the static gap, and 0.120 
between the stationary and moving electrodes on the rotary, for a grand 
total of 0.180" (approximately).

Normally, the gap fires with a snappy sound and no elongation of the arc 
between the moving and stationary electrodes.  This time, with the static 
gap in series, I got a 2" long stretched out arc around the 
circumference.  Not surprisingly the spark output diminished drastically.

Any ideas?  

One other thing to note -- the series gap wasn't truly in series with the 
rotary, it was on the other side of the primary inductor.

        - RG --at---SG--||--
       |_________________|

(RG: Rotary gap, SG: stationary gap, ||: cap, -at-: primary inductor)

Chip
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 Chip Atkinson 
 http://bhs.broo.k12.wv.us/homepage/chip/info.htm
 --- Everyone is someone else's weirdo. ---
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