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Re: Solenoidal primary BELOW secondary?



Original poster: "Barton B. Anderson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla123-at-pacbell-dot-net>

Hi Jolyon,

I'm not sure I understand. Could you elaborate (how's your ascii art?).
Do you mean mounting a helical primary
"below" the bottom turn of the secondary? If this is the case, I would
expect a rather "low" couping. If you haven't
run ACMI before, you might want to model your idea in ACMI to take a
look at such parameters.

The following link discusses the program and provides a link for the
program download.
http://www.abelian.demon.co.uk/acmi/

Take care,
Bart

Tesla list wrote:

> Original poster: "Jolyon Vater Cox by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <jolyon-at-vatercox.freeserve.co.uk>
>
> Notwithstanding the fact that problems asssociated with the regular
solenoidal
> primary have persuaded most experimenters to adopt inverted-cone or
flat
> pancake primaries -ie the plane of the primary relative to the
secondary has
> been moved from 0 to 90 degrees- what would be the effect of taking
this to its
> logical conclusion and mounting the primary BELOW the base of the
secondary,
> that is 180 degrees apart?