burst-disc breech loader

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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huse_spud
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Sat Apr 15, 2006 7:38 pm

This is my combustion launcher. It's small, portable, and powerful!!!

costed less than $20 to build.
Last edited by huse_spud on Sun Apr 23, 2006 8:10 pm, edited 5 times in total.
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jrrdw
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Sat Apr 15, 2006 7:42 pm

What are you makeing the disc out of?
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huse_spud
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Location: Center Junction, IA

Sat Apr 15, 2006 7:49 pm

I use either one layer of regular copier paper or two layers of aluminum foil.
the busrt disc works as a seal to prevent the fuel from leaking past the potato. this results in 250-300 yards per shot on my gun.
Last edited by huse_spud on Sat Apr 15, 2006 11:03 pm, edited 4 times in total.
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jrrdw
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Sat Apr 15, 2006 7:54 pm

Cool, i've been trying to get members to make ice ammo, give that a try.
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rna_duelers
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Sat Apr 15, 2006 11:02 pm

I have used ice ammo,it flys eraticly but its still cool :P
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huse_spud
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Location: Center Junction, IA

Sun Apr 16, 2006 10:27 pm

I prolly get 50-100 yards more with my easter egg ice slugs (check those out in the ammo discussion)
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