Re: [TCML] Stacking vs Large Diameter

[bartb <bartb@xxxxxxxxxxxxxxxx>]

jimlux wrote:
> I think that increasing Ctop is probably only part of the story.  You 
> also get good benefit from controlling the shape of the field to 
> reduce breakdown along the secondary, etc.  And that's most likely the 
> biggest benefit of dual toroids.
>
> Jim

Hi Jim,

How does the field shape affect breakdown along the secondary in this 
situation? The secondary is already well shielded and if coupling is not 
set too high, there shouldn't be breakdown along the secondary (single 
or dual toroids).

Maybe I'm not understanding the type of breakdown your referring to? 
Racing sparks? Secondary and primary strikes from the top load? In Ed 
Sonderman's case, the bottom toroid was a little smaller than the top, 
but a good sized toroid probably acting like a huge corona ring of 
sorts. Sparks emanated from the topmost toroid. It certainly kept the 
sparks up nice and high and out of harms way of the secondary or 
primary. Maybe this is what your referring to?

Take care,
Bart
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