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my paint became conductive?

Post questions and info about combustion (flammable vapor) powered cannons here. This includes discussion about fuels, ratios, ignition systems, safety, and anything else relevant.
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my paint became conductive?

Unread postAuthor: vng21092 » Fri Dec 27, 2013 8:00 pm

I don't know how to explain this honestly, I had the chamber painted, had the bolts installed to create a spark gap. The spark gap formed flawlesssly before and after the paint dried. But a couple hours later, the spark stopped forming, I kept clicking and clicking and I noticed something wierd, I felt the shock as my hand got closer to the contacts. I clicked and I saw that a spark was made between the bolt and the layer of paint. I was confused so I held my finger above the chamber, far away from the contacts, and when I clicked, a spark formed between my finger and the chamber. What the hell just happened?
Just to show you guys what I'm saying
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Last edited by jrrdw on Sat Dec 28, 2013 8:06 am, edited 1 time in total.
Reason: Fixed video.

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Re: my paint became conductive?

Unread postAuthor: jackssmirkingrevenge » Sat Dec 28, 2013 3:16 am

You have become ELECTROMAN!

Image

The paint could have had some conductive elements in it...
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Re: my paint became conductive?

Unread postAuthor: jrrdw » Sat Dec 28, 2013 8:03 am

Depends on what the paint is made from...Here's some stuff. :D



Bad audio but good info.
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Re: my paint became conductive?

Unread postAuthor: vng21092 » Sat Dec 28, 2013 8:48 am

but guys the spark formed before and after, if the paint was conductive wouldn't it have never sparked to begin with?
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Re: my paint became conductive?

Unread postAuthor: mark.f » Sat Dec 28, 2013 9:09 am

Are you still using one wire from the sparker in that video?

1388103993543.jpg
1388103993543.jpg (6.48 KiB) Viewed 363 times


http://www.spudfiles.com/combustion-cannons/topic25609.html
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Re: my paint became conductive?

Unread postAuthor: vng21092 » Sat Dec 28, 2013 2:18 pm

yes sir but ONLY to show to paint was conductive, even with two wire the result was the same
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