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Forums
4hv.org :: Forums :: Electromagnetic Projectile Accelerators
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Wire gauge for coilgun?

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Killa-X
Tue Nov 04 2008, 11:36PM
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
guitardude012 wrote ...

If we are thinking of the same tutorial, he wasn't using anywhere near the amount of Joules you will be switching. You will most likely want thicker wire. As Barry said, "Get the thickest wire you can" (within reason.... we are assuming you won't be wrapping a copper bar around the barrel and insulating it lol) The most wire I have used so far for a 14 awg coil was 13m total(4 layers).


Ahem, The tutorial i was using on instructables was using only 1 400V 470 uf capcitor and easly fires into a coffee can. with my VERY screwed up coil, I was able to fire into a pop can. Effeciency is over 5%. If it wasn't for my coil being very messy and nearly 8 inches pull out, im sure it would be better, and if it was 22 gauge instead of 26.

edit My bad, I ment to say 6.13% not 5%

Link2 for his guns/pics

you know my first coilgun, before I knew there was forums to get help from, Didn't even fire much. Yet, I did also have 4 camera capacitors, and a random coiled wire. But i made it fully remote control. I took apart a RC car, and used the turning device to control it. Left: Charge. Right: Completes the circuit, and fires. :)
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big5824
Wed Nov 05 2008, 06:06PM
big5824 Registered Member #1687 Joined: Tue Sept 09 2008, 08:47PM
Location: UK, Darlington
Posts: 240
that is a very nice gun, suprised he got such a nice efficiency with such high resistance wire
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Killa-X
Mon Nov 10 2008, 03:03AM
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
Well, Bought 2 spools of 14 gauge, 40feet magnet wire. that way I can also later make a multi-stage eventually. So, yay :D Cont know when ill get it yet so yup :)
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