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Forums
4hv.org :: Forums :: High Voltage
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Plasma Vortex

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Nik
Mon Mar 13 2006, 07:56PM
Nik Registered Member #53 Joined: Thu Feb 09 2006, 04:31AM
Location: Ontario, Canada
Posts: 638
I was jsut thinking about using a mot but you saved me a good 30min of prep. Maby with a full wave rectifier and a big filter cap a mot or NST would work better.
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EEYORE
Wed Mar 15 2006, 06:58PM
EEYORE Registered Member #99 Joined: Thu Feb 09 2006, 06:10PM
Location: florida, usa
Posts: 637
Ive got an idea for you guys...What about replacing the magnet with a coil of wire which is pulsed(like a coil gun). The ions from the flyback would be attracted and accelerated much like a coilgun no?

Seems you would need to find a way to insulate the coil so as to keep it from arcing, and have a target wire or something on the other end?

Matt
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Wilson
Thu Mar 16 2006, 04:36AM
Wilson Registered Member #78 Joined: Thu Feb 09 2006, 11:27AM
Location: Sydney, Australia
Posts: 133
Sounds interesting, but the plasma quickly returns back to normal air once the energy source is removed

You might be able to get something interesting with an air cored electromagnet, 2 electrodes at the openings, and setting up an oscillating magnetic field.
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ragnar
Thu Mar 16 2006, 08:14AM
ragnar Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425
Doesn't quench all *that* quickly... with larger plumes of plasma, you can easily see, and capture on camera, the extinguishing plasma:

I considered pushing the plasma with a magnetic field, but someone convinced me it wasn't worth my time. I'll make a point of trying, now!
1142496850 63 FT3785 Arc10extinguish

1142496850 63 FT3785 Arc13extinguish

1142496850 63 FT3785 Arc14curly
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Marcus Wagner
Thu Jul 27 2006, 11:47PM
Marcus Wagner Registered Member #486 Joined: Sun Jul 09 2006, 01:18AM
Location: Germany/Hessen/Hanau
Posts: 9
Hello everybody!

When I came across this forum past year I was very astonished about the royer/marzilli circuit.... I build one myself and did some experiments. Here are some pic which tell more than 1000 words.

Greets,

Marcus
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Marcus Wagner
Fri Jul 28 2006, 12:04AM
Marcus Wagner Registered Member #486 Joined: Sun Jul 09 2006, 01:18AM
Location: Germany/Hessen/Hanau
Posts: 9
does this work? no.. sorry... cant upload the attachments.... why?


please look here to see the pictures http://www.flickr.com/photos/18346774@N00/page9/
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Kolas
Fri Jul 28 2006, 01:59AM
Kolas Registered Member #102 Joined: Thu Feb 09 2006, 08:15PM
Location: Raleigh, NC
Posts: 169
Wow guys, you might be on to something.

Does it work best with DC or AC?

If I hadn't killed every flyback in my zip code, I would have treid what I'm about to sujest.

Why not try the pulsed coil idea, but instead of a "DC" feild try an alternating feild. I guess a DC HV source would be best....

I think finding a way to force the plasma to move away form the magnet would be the direction to take here.

Have "yall" tried somthing with a much higher voltage, like 50-100kV and a considerable ditance, like 3-5? It would be very neat to see this vortex take on a tornadic shape.

Kolas
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Steve Ward
Fri Jul 28 2006, 04:47AM
Steve Ward Registered Member #146 Joined: Sun Feb 12 2006, 04:21AM
Location: Austin Tx
Posts: 1055
Have "yall" tried somthing with a much higher voltage, like 50-100kV and a considerable ditance, like 3-5? It would be very neat to see this vortex take on a tornadic shape.


When i start feeling better i will try this out with my CW, which can easily do 120-160kV, which is a striking distance of maybe 8" or so. Im not sure if i have powerful enough magnets, but i have some from magnetrons and some 4" diameter donuts from speakers. Worth a shot i guess...
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EDY19
Fri Jul 28 2006, 05:47AM
EDY19 Registered Member #105 Joined: Thu Feb 09 2006, 08:54PM
Location:
Posts: 408
I have no idea if this is even reasonable or not, but what would happen if an arc was syncronized to extinguish inside of the coil of a coilgun just as the coilgun was fired? Just an Idea...
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McFluffin
Sat Jul 29 2006, 08:18AM
McFluffin Registered Member #119 Joined: Fri Feb 10 2006, 06:26AM
Location: USA
Posts: 114
It has been said that the spin depends on polarity of the voltage. Is this true for the magnets as well? If so and one tried something higher voltage, it might be interesting to alternate the polarity of some magnets and see what happens. Maybe it would just wave back and forth.
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