Ignition Suggestion from the Wiki

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.
HEMI1500
Private
Private
Posts: 10
Joined: Fri Mar 16, 2007 8:08 am

Tue Mar 20, 2007 9:22 pm

Well this is just an idea. probably better in new construction, you make some strips of jb weld or some other very durable high strength epoxy or something, applied inside the combustion chamber with a large syringe or simply apply it with a buch of tooth picks rubber banded together, and befor it sets sprinkle on some metal filings, Its up to you how many strips you want to make, wired in series, for many many multiple sparks
User avatar
Pete Zaria
Corporal 5
Corporal 5
Posts: 954
Joined: Fri Mar 31, 2006 6:04 pm
Location: Near Seattle, WA

Tue Mar 20, 2007 9:28 pm

Isn't JBweld electrically conductive once it's dry...? If so, you could probably use some other epoxy.

It'd work assuming the entire spark gap length was less than what your stun gun / spark device was capable of outputting. Test it outside the chamber first. I'm guessing you won't get more than a few inches of metal filing covered epoxy before the spark gap is too big to work properly.

Peace,
Pete Zaria.
User avatar
Opossum
Private
Private
Posts: 11
Joined: Sun Mar 18, 2007 10:33 pm
Location: U.S. and A.

Mon Mar 26, 2007 4:35 pm

Wouldn't the cloud of metal explode like flour or dust in a silo. I saw in the movie One Flew Over the Cuckoo's Nest that they had jelly with metal shavings in it for electroshock treatments. Could you use petroleum jelly?
User avatar
TwitchTheAussie
Corporal 5
Corporal 5
Posts: 980
Joined: Tue Feb 06, 2007 3:23 am

Tue Mar 27, 2007 12:55 am

HEMI1500 wrote:Well this is just an idea. probably better in new construction, you make some strips of jb weld or some other very durable high strength epoxy or something, applied inside the combustion chamber with a large syringe or simply apply it with a buch of tooth picks rubber banded together, and befor it sets sprinkle on some metal filings, Its up to you how many strips you want to make, wired in series, for many many multiple sparks
This is exactly what I tried to say before.
Raise your horns if you love metal.
spudgunning is like sex, once you've tasted, you can't wait til next time.
-
CpTn_lAw
User avatar
crazyfreak0075
Specialist
Specialist
Posts: 159
Joined: Thu Aug 17, 2006 4:09 pm

Tue Mar 27, 2007 9:33 pm

The small iron particles would oxidize so quickly with the present air plus the electricity going through it too.
Post Reply