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(112 votes) Published: Nov 13, 2006 2:44 p.m. In 9 Favorites Lists Viewed 754 times
Theres probably a hundred different ways to make a potato gun but this one is probably the most simple and effective, sorry if your design is similar, I made these before I met rotten eggs. This might seem old, but if you dont have a gun its really fun to shoot.
Supplies:
-3" PVC pipe- combustion chamber (any length over a foot)
-1 and 1/2 inch PVC pipe- barrel (2 foot is good)
-3" threaded end piece
-3" threaded cap
-3 inch to 1 & 1/2 inch reducer
-Lighter that has a button or grill lighter (in pics)
-Hair Spray or Deodorant
-PVC Glue or silicon works(not Best)
once you get the parts assembled sharpen the barrels end so it cut the potatoes well
After Drilling a hole big enough for the ignitor to fit into, insert it with glue and space the sparking wires less than a centimeter apart
The result should look like this -- I put the ignitor on the end so that if you mess up you can always just buy another end cap and not have to rebuild the entire gun. Wraping a bolt in paper towels with tape makes a good replacement potato and if you make a good one they can even work better than potatoes.
Using the ignitor from a lighter works for a good spark
Nov 13, 2006 2:47 pm - Cool but you aren’t supposed to put the ignition switches in the screw on thing like that. It dramatically weakens the strength. 4* but this is old as hell, and everyone knows about it. (My potato gun looks WAY cooler than this by the way)
Nov 13, 2006 7:53 pm - looks cool. theres a simpler way though. put a valve that seals a peice of pvc. put a paintball gun tank on one end and potato in the toher. let the valve go and boom. or just throw it em em. 4*
Nov 28, 2006 5:38 pm - In comparison to some fo the hybrids that I’ve built with my mates its quite weak, but it looks pretty good for your first spudgun. To get ideas of new designs and upgrades for your gun checkout this site http://www.spudfiles.com/ and then go to the "album" section. 5* for the effort.
Dec 14, 2006 10:34 am - u could just cut the top off a lamp post, spray some deodrant in and shove a potato in. when it gets dark a potato is sent into orbit
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once you get the parts assembled sharpen the barrels end so it cut the potatoes well
After Drilling a hole big enough for the ignitor to fit into, insert it with glue and space the sparking wires less than a centimeter apart
The result should look like this -- I put the ignitor on the end so that if you mess up you can always just buy another end cap and not have to rebuild the entire gun. 
Wraping a bolt in paper towels with tape makes a good replacement potato and if you make a good one they can even work better than potatoes.
Using the ignitor from a lighter works for a good spark
