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DIY Jacobs Ladder

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Uploaded by on Feb 6, 2008

I did this to answer a mates question... that's two of us who need to get out more.

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Science & Technology

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Uploader Comments (DickyLynch)

  • where can u get the transformer?

  • I got the transformer from a skip! I guess you can get them from eBay, there called NSTs (neon sign transformers). Good luck. :)

  • do you think it would work with a 5K V 30 MA Nst??

  • Should do, air breaks down at 3kV per mm so the wires need to be 1.6mm apart at the bottom, It should work up to a 25mm gap at the top. :)

  • I can't get a continuous arc on my ladder, if I'm lucky it will arc maybe 5 times, but normally it will arc once and I have to turn on my transformer again.

  • Did you get the ladder working? It sounds like the current output of the transformer is low and the wires need to come closer together.

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  • loved the music lol, i tried making a Jacobs with a FBT driven by 26W CFL it worked but unstable i dont get steady arc rises sometimes its slow sometimes it zaps fast is this cause the volatge is too high and not enough amps? how about if i used a 600v .9A electronic ballast hooked to the ladder directly? i also noticed whenever i had sparks form jacobs or from fbt output on to electrodes my standing fan would start turning fast when it was off lol but if i unpluged it it wouldnt work.

  • how many volts

  • Cool!

    Let me know how you get on. My transformer was 8kV 29mA but it was a little disappointing. I'd get the biggest transformer possible.

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