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Re: Are Monster Toploads Really Needed?
Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <uncadoc-at-juno-dot-com>
Hi Bart, John, Terry, All. Would it be possible for me to scan in a
diagram of the exact components of my arcing Tesla coil (with no toriod)
to the list? I can write down the schematic and all parameters and
components so that the toriodless mystery can be solved by the more
knowledgeable list members than I. I have a Visioneer scanner and can
scan a schematic drawing but will anyone be able to open the .aim file
without downloading the visioneer software from the website. If not,
then how can I post a scheme of my toriodless coil to the list? Can I
convert my scanner file drawing to a jpg? Anyway, I can get the same
length spark from my coil no matter what the topload. I simply need to
tune the primary for any given topload and the arcs will be the same
length. A beer can atop the secondary will give the same arc length as a
larger aluminum duct toriod. These are just my findings, maybe my coils
are just some kind of mutiods, you know, I made them without any computer
programs, so maybe, just maybe my coils are dancing to the beat of a
different drum, and maybe, they should not work at all, but they do! If
I can scan my coil and its parameters, then perhaps you guys with the
computer tools can explain what is going on here! Al.
On Mon, 23 Apr 2001 07:58:53 -0600 "Tesla list" <tesla-at-pupman-dot-com>
> 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
> specs if
> it's not too much trouble.
> Bart A.
> Tesla list wrote:
> > Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> > Hi all, Is it not possible that a tank circuit with an
> > wound coil could work without a monster toriod topload and give
> > 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
> > > coil
> > > that does not benefit from the use of a properly sized toroid.
> > > 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
> > > 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
> > > I tune for longest sparks in every case. Of course a spherical
> > > topload can give excellent results also. The bottom line is
> > > not only do Tesla coils benefit from the use of a toroid or
> > > on top, they also benefit from having the *properly sized*
> > > There is a topload size *range* within which the results will be
> > > similar.
> > >
> > > Of course besides giving longer sparks, toploads also provide
> > > benefits such as; shielding the top secondary turns from corona,
> > > aiming the sparks horizontally, giving a more spectacular
> > > brightening the sparks, etc.
> > >
> > > Cheers,
> > > John
> > >
> > >
> > >
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