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4hv.org :: Forums :: General Science and Electronics
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Mystery Photos from TDU

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Tesladownunder
Sun Nov 01 2009, 03:35AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
What happens next?

1257046502 10 FT10696 Mysteryhotdog
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Arcstarter
Sun Nov 01 2009, 03:47AM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Tesladownunder wrote ...

What happens next?

1257046502 10 FT10696 Mysteryhotdog

I cannot quite tell what that is. Is it a balloon or a hot dog :P
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rp181
Sun Nov 01 2009, 03:57AM
rp181 Registered Member #1062 Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
Absolutely nothing O.O
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klugesmith
Sun Nov 01 2009, 04:15AM
klugesmith Registered Member #2099 Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1714
Looks like time for an exploding wire, er, wiener.
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Killa-X
Sun Nov 01 2009, 04:31AM
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
"What happens next" Well, if it's a hot dog, and it gets cooked on HV / high current, then "what happens next" is you enjoy a tasty meal as long as you don't overcook it :)
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Tesladownunder
Sun Nov 01 2009, 05:40AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Arcstarter wrote ...

I cannot quite tell what that is. Is it a balloon or a hot dog :P
Hot dog. Its hard to get a wire through a balloon.

rp181 wrote ...

Absolutely nothing O.O
Not like me really...

Killa-X wrote ...

"What happens next" Well, if it's a hot dog, and it gets cooked on HV / high current, then "what happens next" is you enjoy a tasty meal as long as you don't overcook it :)
Even if the thin wire was red hot it would not cook impressively.

Klugesmith wrote ...

Looks like time for an exploding wire, er, wiener.
Now thats more like it. What sort of energy and what sort of result?
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Electroholic
Sun Nov 01 2009, 06:06AM
Electroholic Registered Member #191 Joined: Fri Feb 17 2006, 02:01AM
Location: Esbjerg Denmark
Posts: 720
well, with high enough energy, i would expect the wiener to just vaporize. and you probably want some sort of result. So, i would say <1kj, multiple firings, and a cooked wiener at the end.
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Tesladownunder
Sun Nov 01 2009, 06:33AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
At 1kj (=3kV on my cap bank) the wire explodes to the edge of the hot dog and it drops to the ground unharmed.
At 2.6kJ (=5kV) this is the result. The hot dog just disappeared. It was just gone. I thought it must have just fallen out of sight but on a closer look this is what I found.

There were tiny pieces up to 30 feet away sprayed over my shed and driveway. Largest bit was thin and 3cm.


OK now for the prize. What happens if you put the hot dog directly on the electrodes and blast it with the same energy?

1257057231 10 FT10696 Pulsecaphotdogpostclose

1257057231 10 FT10696 Pulsecaphotdogpostmid

1257057231 10 FT10696 Pulsecaphotdogpostfar
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Dalus
Sun Nov 01 2009, 10:31AM
Dalus Registered Member #639 Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512
Tesladownunder wrote ...

At 1kj (=3kV on my cap bank) the wire explodes to the edge of the hot dog and it drops to the ground unharmed.
At 2.6kJ (=5kV) this is the result. The hot dog just disappeared. It was just gone. I thought it must have just fallen out of sight but on a closer look this is what I found.

There were tiny pieces up to 30 feet away sprayed over my shed and driveway. Largest bit was thin and 3cm.


OK now for the prize. What happens if you put the hot dog directly on the electrodes and blast it with the same energy?
My vote, it will shoot away like a railgun projectile
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...
Sun Nov 01 2009, 05:17PM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
I suspect not much, the 2kj would be let loose over a long time (I suspect low ms), ad 2kj of energy isn't a whole lot of heat when absorbed by a whole hotdog...

But I would love to be proved wrong wink
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