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"better" and "worse" coils was Re: Wives and Tesla Coils
>
> Original Poster: spam_proof-at-worldnet.att-dot-net
> (snip)
Hi Aaron,
When I mentioned some of my first gaps being noisy and the latest being more
efficient, I realized that reducing spark gap loss, reduced the noise at the
spark gap, however, spark length increased and so did the noise of the sparks.
My very first wispy purple sparks ( about 36") were over powered by the noise
of the spark gap and safety gap firing much too often. As I progressed with the
help of this List, I knew a major area for improvement was the spark gap (but
not the only area). As I made improvements here and there, the sparks became
longer, whiter, and at some point the spark noise was about the same as the
gap. Now, the sparks are bright white, hot, and very noisy (especially when it
makes a connection to the ground or object) and the gap is much quieter.
I do use the sound of the gap as one method of measuring between better and
worse, but also, the spark lengths achieved vs. the power applied is a great
measure. But then, it all depends on what your trying to do. I'm not always
trying to achieve long sparks. For example, I tonight I moved some AC across
beams in the garage (further away from coil) and tomorrow I plan to see what
this 18" sphere will do on my coil (not length, but direction and type of spark
at different power levels and how the sparks react to a sphere).
Bart
>
> I'm wondering how some of the the other coilers on the list differentiate
> between their "better" and "worse" coils (actually, I had fun building even
> the worst of my coils). Is secondary/spark gap sound a good measure?
> - Aaron "Ban" Banerjee
> (a.k.a. A. Banerjee)