7ft long, metered MAPP injected combustion gun

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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SpudBlaster15
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Wed Jan 31, 2007 12:54 am

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Last edited by SpudBlaster15 on Wed Jul 14, 2021 1:05 pm, edited 2 times in total.
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killagorrila99
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Wed Jan 31, 2007 1:05 am

Nice! I'm starting to like your work, alot!
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joannaardway
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Wed Jan 31, 2007 4:33 am

I like it too. Good job.
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zeigs spud
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Wed Jan 31, 2007 6:27 am

wow very nice i bet it is acurate! i saa your post becore this is much better lol! :D
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MrCrowley
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Wed Jan 31, 2007 3:55 pm

Damn! Im working on a MAPP metered combustion as well :P Nice job.
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StealthSpud
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Wed Jan 31, 2007 4:12 pm

That's a kick ass gun! Keep up the good work!!! :P
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iknowmy3tables
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Wed Jan 31, 2007 4:18 pm

whats so specail about MAPP?
cool fan switch, is it really metal
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MrCrowley
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Wed Jan 31, 2007 4:54 pm

Its better then propane, according to BLB 10% velocity increase compared to propane I think, Something to do with the rapid combustion or something like that :?
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SpudBlaster15
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Wed Jan 31, 2007 6:40 pm

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Last edited by SpudBlaster15 on Wed Jul 14, 2021 1:05 pm, edited 1 time in total.
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medievalman
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Wed Jan 31, 2007 9:01 pm

very nice gun, i cant wait to build me a metered cumbustion! :lol:
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fom
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Tue Feb 06, 2007 8:22 pm

Really nice gun...Your signiture is hilarious!
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scrpnframe
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Thu Feb 08, 2007 4:20 pm

holy crap dude. i just built my first spud gun last night and this is a far away land from where mine is sitting. i didn't know spud gunning was getting so advanced. i just hope it doesn't go mainstream...
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WAYNE
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Thu Feb 22, 2007 8:48 am

NICE GUN!!

I will have the true semi auto matic gun soon. 1.5 inch barrell.
clip holds 5 spuds. pull the tigger. kachunk, kachunk, kachunk, kachunk,
kachunk. 5 shots that quick. the mother of all spud guns is almost done.

Wayne :o
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tylerthetatertosser
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Sun Mar 04, 2007 12:40 am

this gun is friggen awsome.
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noname
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Sun Mar 04, 2007 1:13 am

Just wondering, do you need a regulator on the meter or not? How do you get the right pressure? I really don't want to buy a reg online, but that's the only choice, unless there's an easier way. I was thinking of just using a blowgun as one of the ball valves, to let propane into the meter slowly, so I could stop letting propane into the meter when it was at the right pressure.
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