I need some help

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.
cowkiller
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Wed Nov 05, 2008 9:50 pm

i am having trouble calculating the amount of different fuels i need and i tried to search for info but i seem to be missing what i am searching for. i end up with plans for guns. i have a simple gun it is is a sch 40 3" 90` which measures about 11 in and 27" long sch 40 2" barrel i know the c:b is like .8 or .9:1 and a clicker from a bbq

any help would be nice thanks
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Hubb
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Wed Nov 05, 2008 10:33 pm

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starman
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Thu Nov 06, 2008 12:20 am

Also, have you read Burnt Latke's write upon metering and Advanced Combustions in general?
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jimmy101
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Thu Nov 06, 2008 4:19 pm

Also, check out the SpudWiki page on Common Fuels. It has the volume ratios for a wide variety of fuels.
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cowkiller
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Thu Nov 06, 2008 4:29 pm

Thank you to every one you have pointed thing i either over looked or did not see
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