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Old 3 Weeks Ago   #1
Bactrian
 
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Default The lightning device.

I've made myself a Marx generator
It's probably giving me about 150 000 volts and I'm using it to get some 'lightning' images










I love some of the shapes it gives....



I must say it does 'bite' when the gap is too big and the spark finds its way to my hand

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Old 3 Weeks Ago   #2
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Default Re: The lightning device.

This is the video of the generator in action
https://www.youtube.com/watch?v=wZe7bzsywu4
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Old 2 Weeks Ago   #3
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Default Re: The lightning device.

HEY Desmond, didn't know you were over here, good to see your zapping Camels
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Old 2 Weeks Ago   #4
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Default Re: The lightning device.

Quote:
Originally Posted by Darrell c View Post
HEY Desmond, didn't know you were over here, good to see your zapping Camels
In my single days I was everywhere - now that I'm married I don't spend much time on the forums
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Old 2 Weeks Ago   #5
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Default Re: The lightning device.

Why can't I trigger the Marx generator? I want to be able to trigger the spark as I take a pictue. I wired up an old flash to an ignition coil which gives me about 20 000 volts when it fires. I open up the first spark gap in my Marx generator so it can't trigger itself every half a second. I then connect the 6v battery to the 30 000 volt generator and charge up the Marx generator - it does not fire. When I push the test button on the old flash it generates a 20 000 volt spark which jumps that first gap. [I then quickly pull my finger away from the external socket which seems to conduct a few volts toward my finger]. Why does my Marx generator not fire? Surely the ionized gap should allow the first capacitor in the series to to jump the [larger] gap and fire the whole sequence?

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Old 2 Weeks Ago   #6
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Default Re: The lightning device.

Interesting stuff Desmond.
I always enjoy your posts.
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Old 2 Weeks Ago   #7
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Default Re: The lightning device.

Quote:
Originally Posted by wolfd View Post
Interesting stuff Desmond.
I always enjoy your posts.
Thanks, it should be more interesting when my 10 stage 20cm spark Marx generator arrives from China
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Old 2 Weeks Ago   #8
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Default Re: The lightning device.

Here's a wiring diagram.



Actually it seems my 1Meg resistors don't like the ignition coil - they have now started breaking down and sparking through their sides. I think my solution may be to actually use the flash tube itself as the first spark gap. That way the system can fire through the flash tube.
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Old 2 Weeks Ago   #9
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Default Re: The lightning device.

Quote:
Originally Posted by Desmond View Post
Thanks, it should be more interesting when my 10 stage 20cm spark Marx generator arrives from China
Looking forward to seeing those shots.
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Old 2 Weeks Ago   #10
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Default Re: The lightning device.

Quote:
Originally Posted by wolfd View Post
Looking forward to seeing those shots.
This is a screen shot of their ad



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