428 cubic inch combi cannon

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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sw5amped
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Sun Mar 23, 2014 6:17 pm

My new beast!!!!
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IMG_20140323_161858.jpg
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jackssmirkingrevenge
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Mon Mar 24, 2014 6:45 am

Whoomph! Video?
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Anatine Duo
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Sat Apr 19, 2014 11:36 pm

I like the proportions and the paint
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Fnord
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Sun Apr 20, 2014 10:18 am

Video request seconded. Somehow I don't think the pictures justify the scale of this thing...
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