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Donner und Blitzen
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From: D.C. Cox [SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: Tuesday, February 24, 1998 9:33 PM
To: Tesla List
Subject: Re: Donner und Blitzen
to: L. Robertson
Bill Wysock did this same experiment back in 1984. Nothing powerful was
noted in the discharge, however, a photograph I took of the experiment did
indeed indicate a very thick and powerful discharge. It seems the entire
winding and its capacitance absorbs the cap discharge so it is present but
not visible to the naked eye -- it will show up on photographs.
DR.RESONANCE-at-next-wave-dot-net
> From: L.Robertson [SMTP:LWRobertson-at-email.msn-dot-com]
> Sent: Sunday, February 22, 1998 10:40 PM
> To: Tesla Builders
> Subject: Donner und Blitzen
>
> Hi all ... long time - no post.
>
> All the talk about lightning bolts, death rays and
> BIG capacitors got me to thinking.
>
> Why not put a jolly big pulse discharge capacitor
> between the bottom of the secondary and ground.
> Charge it up to many tens of kV, then crank up the
> coil as usual. Any ionization path to ground ought
> to benefit from the energy stored in the big cap.
>
> I rationalized that if the big cap had a frequency
> response faster than the coil frequency, capacitve
> division should protect it from voltage breakthrough.
>
> So I put my 2uF 60 kV Aerovox to that duty.
>
> Initial low power testing with six inches of spark,
> but no charge on the big cap revealed an interesting
> phenomenon. If the toroid was shorted to ground, nothing
> happened. When no spark was present, again nada.
> When spark was present though, a slow but steady charge
> built up on the Aerovox. 20 seconds of spark would
> produce about 5000 volts of DC on the capacitor.
>
> This was configured as a classical AC Tesla Coil,
> so where this rectified current is coming from
> I do not know. Possibly the electrostatic phenomena
> reported on this list stems from the same source.
>
> Further reflection led me to postpone the experiment
> until I find a safer place than my basement to do it.
> The 2 kJ that can be stored in the Aerovox could do
> some real damage with an unintended strike, not to
> mention being most likely lethal.
>
> Scheming to produce bigger sparks
> in soggy Morgan Hill ....
> LR
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