Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
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ramses
- Staff Sergeant 2


- Posts: 1679
- Joined: Thu May 29, 2008 6:50 pm
Fri Jul 25, 2008 11:45 am
DYI, what did you pass current through in that picture? It looks like a good ignition source to me. Magnesium shavings would be interesting in the future. Steel wool is cool too:

^----------not my picture.
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DYI
- First Sergeant 5


- Posts: 2862
- Joined: Sat Jul 07, 2007 8:18 pm
- Location: Here and there
Fri Jul 25, 2008 12:01 pm
What's happening in that picture? Is that an electric spark, or something else?
I was using steel wool in the picture.
Spudfiles' resident expert on all things that sail through the air at improbable speeds, trailing an incandescent wake of ionized air, dissociated polymers and metal oxides.
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ramses
- Staff Sergeant 2


- Posts: 1679
- Joined: Thu May 29, 2008 6:50 pm
Fri Jul 25, 2008 5:40 pm
5kj through steel wool. The rest of his high energy fun is
here
again it's not mine... but I wish it was...
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rp181
- Sergeant

- Posts: 1090
- Joined: Thu Dec 13, 2007 8:47 pm
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Contact:
Fri Jul 25, 2008 5:43 pm
atleast say who its from =) (tesladownunder)
EDIT: oh, the here is a hyperlink... =p