Re: [TCML] Topload design questions

["Phillip Slawinski" <pslawinski@xxxxxxxxx>]

Karl

What you describe is quite similar to my setup.  I use larger toroids, but
other than that essentially the same idea.  It works well for me by the way.

http://www.flickr.com/photos/pslawinski/2856512922/

-Phillip

On Fri, Jan 2, 2009 at 11:35, Karl Thorkildsen <
karl.thorkildsen@xxxxxxxxxxxxx> wrote:

> 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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