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[TCML] Topload design questions



First off, Hello! I've been lurking for a while and have gained a huge amount of knowledge by reading hundreds of posts here. I have built a couple of coils and am working on a third. This will be run off two 15/60 NST's.

My question is about topload configurations. I understand the need to have a toroid in close proximity to the top of the secondary to avoid corona discharge from the upper part of the primary. But if using two toroids, can the upper (and larger) toroid be elevated a few inches on a conductive rod without adverse side effects?

For instance in my case I'm considering a 6.5x30 inch secondary, with a 3x12 and a 4x18 toroid and raising the 4x18 by 6 inches.

Why, you might ask? Well, I originally thought of this as a way to reduce primary strikes, but I now realize this might only be valid under certain conditions. Another consideration is that it would look cool. But in the end I'm now just curious what the effect and ramifications might be.

Thoughts?
- Karl

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