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Re: Can anyone help ?
>
>
> The coil you just described, in all aspects except perhaps a somewhat
> limited 24" OD dimension (and you didn't mention the topload) may have
> the potential capability to be good for at least 100 Joules per bang and
> perhaps as much as 200, depending of course on a lot of total system
> balancing acts which are par for the course. Your primary as desribed
> could be adequate for even more than 200 J if it has sufficient
> thickness for skin depth considerations at Fo.
>
> Question 1: Why then are you wasting your time merely striving to tickle
> this behemoth at just 25 Joules/bang?
>
Topload will be 27 pF. (perhaps more?)
I am duplicating, (as close as I can), the experiments of the Corumn
Brothers, which
Generated ball lightning using a dual secondary tesla coil apparatus (one of
the coils
having the dimentions described above). The corumn brothers were only using
12-15 joules per bang: I tend to use alot more. I have thought it was
possible to crank
my power even higher, and i will in the future if needed. (funds) The corumn
brothers
were successful at making ball lightning by the hundreds, that was 3-4" in
diameter,
and lasted for several seconds. This is very exciting to me, as I have all
of thier
research notes and schematics of thier setup. (web site of all of this
coming soon)
> Question 2: If you are this experienced, why are you asking for guidance
> on the this List prior to conducting the actual experiment?
>
I have built two tesla coils: a 24"x6" coil, and a 27"x8" coil. both of
which workedgreat at 60 and 120 mA. My current project has a different
motive then to just make
sparks. :-). I have never attempted to build anything so large, so I am
learning all of
the "details" that didnt seem important when i made low power coils. (I just
wound,
tapped, and tuned before.. minimal calculations)
> I run a 25 Joule/bang coil using 54 inches close wound #18 AWG machine
> tool wire on a 15 inch PVC form that kicks serious 12 ft+ butt at just
> 6,900 VA and 402 BPS. At that modest power level there appears to be no
> need to go overkill in either primary or secondary copper cross-sections
> as is proven by my own coil's rather impressive efficiency rating.
>
The purpose of my "dual secondary" tesla coil is to produce an interference
patternof potential between each secondaries' toploads. this potential
between toroids will fall
and rise at a beat frequency, because each coil is ringing at a different
frequency... (1/2 and 1/3 of primary frequency) which will cause breakdown
between them at an astronomical rate and
power level, far more than a conventional coil arcing to ground. These high
density
current impulses between secondaries are what drive generation of ball
lightning.
A physicist here in salem has some unique and solid theories about ball
lightning....
which i believe and hope to prove with my setup (off subject). the website
is
www.singtech-dot-com.
--
Cabbott Sanders
Salem Oregon
Website: http://members.aol-dot-com/cabbotttt
Phone 503-390-8992
Cel 503-930-9173