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Re: Quadrant Tesla System - Ideas for HV phase shifting????? (fwd)
Original poster: Tesla List Moderator <mod1-at-poodle.pupman-dot-com>
---------- Forwarded message ----------
Date: Thu, 19 Sep 2002 15:47:54 -0400
From: Jason Johnson <hvjjohnson13-at-hotmail-dot-com>
To: Tesla list <tesla-at-pupman-dot-com>
Subject: Re: Quadrant Tesla System - Ideas for HV phase shifting?????
Well, I hate to burst your bubble but I think that two twin systems
together would work about the best for your proposed setup. Ie four
secondary coils A, B, C and D, with A and B being 180 degrees out of
phase and C and D being 180 degrees out of phase. Line AB would be the
perpendicular bisector to line CD. Quite a while ago there was talk of a
6 coil 3-phase 3-bipolar setup (noone ever made it to my knowledge
though) which would share a common rotary gap and fire the coils in
order going around the circle creating a rotating spark mass. Sounds
hard to picture but if you think about it...
Then there is the topic of creating a delta or wye shaped spark with a
"tripolar" three phase coil that comes up every so often on the list.
<< Jason R. Johnson >>
The Geek Group
"The two most common elements in the universe are hydrogen and
> All this talk about twinsystems . . . phooey ! ! ! ! ;)
> Anyways, awhile back in college I remember someone building a
> sure what else to call it) tesla system.
> There were four secondaries spaced at 90 deg and during operation the
> would arc together at the middle and it looked very spectacular.
> I've been planning on trying to do this for a while mainly because it
> cool as hell, and its something i really haven't seen anywhere else on
> Here are my current problems:
> -A twin system is relatively easy as its easy to configure two coils
> 180 deg out of phase between each other. Just reverse the primary
> each coil. However, a quadrant type coil would need to be 90 deg out
> phase between each other. This poses a problem as I can't see how to
> accomplish this by wiring convention alone. Something more unique
> probably have to be done such as some type of phase shift network on
> least two of the coils. This could be something as simple as a
> series etc... or more elaborate.
> Anyways, I plan on making a small table top coil like this using John
> toroids and 2" secondaries.
> If anyone has any ideas or knows of someone who has done this before,