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Re: Three phase Jacob's Ladder exists in Santa Barbara (fwd)



---------- Forwarded message ----------
Date: Mon, 4 Jun 2007 23:17:26 -0500
From: resonance <resonance@xxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Three phase Jacob's Ladder exists in Santa Barbara (fwd)


Sounds like an interesting demo.  Where do you plan on doing them??

Dr. Resonance


>
> I was interested in a three phase Jacobs Ladder earlier. I believe it was
> Gerry who mentioned he has seen one. I am in the process of tweaking a 3 
> ton
> military trailer for demos (7x11 foot). I have a way over built
> Stamford/Newage 18KVA 480V 3p generator (probably can do twice that for 
> demo
> purposes) powered by direct coupling to a Isuzu 240C 4 cyl Diesel engine.
> This to a 480 to a 208 delta/wye transformer - this is to drive a three
> phase radar transformer powered 24KV DC coil. This will be controlled by a
> 3p variac and a DC variable speed rotary gap. If I were to connect in 
> front
> of the 6 pulse diode rectifier, I was curious how a three leg JL would 
> work.
>
> Gerry said the flame would climb to converge from a triangle at the top -
> seems pretty neat.
>
> Other stuff is a rack mount 9KJ/sec, 3p 50KV cap charger ( I have 2 of the
> giant Geek Group caps from Berkley) for an exploding 8' wire demo. The
> experiment will be 4 different wire types- silver, copper, piano wire, and
> magnesium.
>
> I am looking at bringing up a second 24KVA genset and a 1p ASRG 20" coil,
> perhaps latter. The trailer is .25" steel plate making reconfiguration
> reasonably easy (with the use of an engine crane).
>
> Regards,
> Jim Mora
>
>
>
> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx]
> Sent: Sunday, June 03, 2007 4:14 PM
> To: tesla@xxxxxxxxxx
> Subject: Three phase Jacob's Ladder exists in Santa Barbara (fwd)
>
> Original poster: List moderator <mod1@xxxxxxxxxx>
>
>
>
> ---------- Forwarded message ----------
> Date: Sun, 3 Jun 2007 15:43:38 -0700
> From: Austin Richards <austinrichards@xxxxxxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Subject: Three phase Jacob's Ladder exists in Santa Barbara
>
> I have a three-phase Jacob's ladder that was given to me.  It was built by 
> a
> friend named Richard Cossel back in 1999 after we had discussed the idea.
> It is about 6 feet long with gaps of about 1.5 inches at the top.  I have
> fed it from three NSTs connected to three phase power. The arc that forms
> looks like the inner portion of a Mercedes medallion, like the letter Y.
> When I powered it up, I had the transformers wired in delta on the high
> side.  All the centertap grounds were tied together.  The primaries of the
> NSTs were wired in Y.
>
>
>
> I don't have the NSTs anymore, or a three-phase source, other than renting
> generators.  I'd like to build a larger version of it sometime.  Now that 
> we
> have a quarter acre lot, that seems more likely to happen.  I made a 35kW
> Ladder back in 2001 for Burning Man.  it was 8 feet tall, 14 inch gap at 
> the
> top.  Worked well and the sound is excellent.
>
>
>
> Austin
>
> www.drmegavolt.com
>
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