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4hv.org :: Forums :: High Voltage
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Jacob's Bi-ladder

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Tesladownunder
Sat Nov 03 2007, 09:13AM Print
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Enough going around in circles. I need to expand my Jacob's ladder page.

Here's something you won't forget - a Jacob's ladder that goes up and down simultaneously.

TDU

1194081111 10 FT0 Jacobs Biladder
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Dr. Dark Current
Sat Nov 03 2007, 09:31AM
Dr. Dark Current Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384
wait the spark goes down the ladder? How is it done, I thought a JL works in a way that the hot arc rises upwards.
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Dalus
Sat Nov 03 2007, 10:49AM
Dalus Registered Member #639 Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512
It can only go down when it's DC (Lorentz force)
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Tesladownunder
Sat Nov 03 2007, 12:52PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Dalus wrote ...

It can only go down when it's DC (Lorentz force)
Lorentz forces act to push a railgun projectile outwards regardless of polarity. Hence it could theoretically run on AC. Similarly Jacobs ladders have been constructed to run using very high AC currents and can run in a loop but it requires many kW and they are fearsome devices. I think it was a German video so perhaps you have seen it.

Mine is a low power ladder and Lorentz forces are minimal.

Actually all Jacob's ladders are like this, just no-one makes the bottom half.... wink

TDU
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uzzors2k
Sat Nov 03 2007, 02:37PM
uzzors2k Registered Member #95 Joined: Thu Feb 09 2006, 04:57PM
Location: Norway
Posts: 1308
That's awesome Peter, I've never seen it done that way before. See if you can get two ladders out the sides too. shades
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Ken M.
Sat Nov 03 2007, 06:05PM
Ken M. Registered Member #618 Joined: Sat Mar 31 2007, 04:15AM
Location: Us-Great Lakes
Posts: 628
I've Always wanted to see a double helix Jacobs ladder.
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Tesladownunder
Sun Nov 04 2007, 02:21AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Hmmm... No-one has got this yet. Think of it as a puzzle with a simple answer.

I have posted this to the Australian Overclockers forum to see which forum gets it first. I would have thought that 4HV had a few clues that they wouldn't have but they have perhaps 50 times the number viewing that topic.
(edit 40 views in 5 mins)

TDU
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JimG
Sun Nov 04 2007, 05:01AM
JimG Registered Member #52 Joined: Thu Feb 09 2006, 04:22AM
Location: Austin TX
Posts: 57
I'm guessing it may have something to do with the dark rectangular object directly behind the lower ladder.
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Tesladownunder
Sun Nov 04 2007, 06:31AM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Can you expand on your "dark matter" hypothesis - or could it be a wooden support?

I have re-read my posts.
"Mine is a low power ladder and Lorentz forces are minimal.
Actually all Jacob's ladders are like this, just no-one makes the bottom half.... wink "
I meant
"Mine is a low power ladder and forces from the current in the rails are minimal." The second sentence was, of course, a joke.

TDU
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ShawnLG
Sun Nov 04 2007, 06:51AM
ShawnLG Registered Member #286 Joined: Mon Mar 06 2006, 04:52AM
Location:
Posts: 399
The "dark matter" is a magnet.
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