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Re: Bigger Toroids



Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 7/20/03 1:54:08 PM Eastern Daylight Time, 
tesla-at-pupman-dot-com writes:

S,

The magnifier concept could be taken to an extreme by placing a  1/2"
diameter by 1" tall tiny extra coil on top of a regular 2 coil system having
a 12" x 60" secondary.  The large toroid would then be placed on top
of that.  Then one could say they obtained a 10 foot spark from
a 1" long extra coil.

In reality, the magnifier driver (primary and secondary), must be considered
as part of the system, and they add considerable bulk.  In other words, the
resonator size consideration should include both the secondary and the
extra coil when measuring the total bulk.  Because of this, a typical two-coil
system cannot give a 10 foot spark from a 1 foot long secondary

John


>Question for TC experimenters,
>
>Richard Hull had a magnifier with an extra coil of only about 12 inches long
>but with a huge toroid.  Performance was astounding - up to 10 foot
>streamers I believe.
>
>So, can the same improvements be made with a a normal 2-coil TC?  Has
>someone run experiments with increasing toroid size, leaving everything else
>the same except for changing the primary tap to retune?  I think these
>experiments should be done with a break-out point (e.g. thumb-tack) so
>radius-of-curvature effects are minimized, and one sees mostly changes due
>to increased toroid capacity.
>
>Also, what does modeling of ever-bigger toroids yield?
>
>Thanks,
>S. Young
>