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Re: Are Monster Toploads Really Needed?



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

Hi Al,

It may be possible you are seeing no difference on your coil due to
"something" about
the design. I would be curious as to your coil, power, and charging system
specs if
it's not too much trouble.

Thanks,
Bart A.

Tesla list wrote:

> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
<uncadoc-at-juno-dot-com>
>
> Hi all, Is it not possible that a tank circuit with an appropriately
> wound coil could work without a monster toriod topload and give equally
> devastating arcs?  I still stand by my statement that our coil can
> produce an equal arc when tuned with a toroid, sphere, or no topload at
> all.  The arc length remains the same as long as the primary is tuned for
> optimum coupling.    Al.
>
> On Sat, 14 Apr 2001 11:03:40 -0600 "Tesla list" <tesla-at-pupman-dot-com>
> writes:
> > Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> > <FutureT-at-aol-dot-com>
> >
> > Message to newbies,
> >
> > I would not want newbies to be misled. Most coils
> > will give much longer sparks when the properly
> > sized toroid is used.  I have to admit that I've never yet seen a
> > coil
> > that does not benefit from the use of a properly sized toroid.   To
> > give just one example, my old coil that gave 40" sparks from a
> > 12/30 NST, gave only 26" or so with no toroid.  My newer coil gives
> > the longest sparks (42") using a 4" by 13" toroid.  If I replace
> > that with
> > a 3" by 10" toroid, the sparks are reduced to about 33".  Of course
> > I tune for longest sparks in every case.  Of course a spherical
> > topload can give excellent results also.   The bottom line is that
> > not only do Tesla coils benefit from the use of a toroid or sphere
> > on top, they also benefit from having the *properly sized* topload.
> > There is a topload size *range* within which the results will be
> > similar.
> >
> > Of course besides giving longer sparks, toploads also provide other
> > benefits such as; shielding the top secondary turns from corona,
> > aiming the sparks horizontally, giving a more spectacular display,
> > brightening the sparks, etc.
> >
> > Cheers,
> > John
> >
> >
> >
>
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