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SPUD GUN (A.K.A - SPUDZOOKA) + HOW TO MAKE!
READ BELOW ON HOW TO MAKE! No powertools or torch NEEDED!!!
SPUD GUN / POTATO GUN / SPUDZOOKA
Warning: For use only if u are under parental supervision*
AND DO NOT BE AN IDIOT AND RUIN IT FOR THE REST OF
US BY SHOOTING THESE AT PEOPLE OR ANY LIVING CREATURE!
How to make a SPUD GUN--
*PARTS*
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Kitchen Lighter - (a.k.a. BBQ Lighter)
2 drywall screws
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PVC or ABS cement (note: do NOT mix PVC pipes with ABS pipes or fitting, only use PVC cement on PVC and ABS on ABS)
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2 feet of 2 inch diameter PVC or ABS pressure rated pipe
1 foot of 3 inch diameter PVC or ABS pressure rated pipe
slip to threaded 3 inch fitting
3 to 2 in reducer
end cap (screw off ) for 3 inch pipe (note: clean out plug may be used)
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hair spray - or RAID works
plenty of spuds (or apples)
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*ASSEMBLY!*
1. Cut pipes to correct length's with a hacksaw
2. Glue the barrel and the chamber to the reducer
as shown in the diagram. (if PVC is used don't forget to apply primer first.
3. Close off the end of the chamber with the fitting and screw-on end cap
or the drain plug cap.
4. Screw the drywall screws through the sides the combustion chamber so
there is about a 1/4 to 3/8 inch gap
5. Connect the sparker to the drywall screw and make sure it fires properly,
if no spark fires move screws closer and re-test.
6. Bevel the end of the barrel so that the potato will be cut to size when it is loaded.
Beveling can be done with a Dremel or if one is not available a file can be used.
7. Let cement dry for about an hour (this time can be used to go buy some spuds!!)
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TIPS--
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Caution: Only fire in open spaces far away from human life
1. Using a full Potato is wasteful - try cutting it in half. If the potato is too small the potato will not go very far, for most of the gas will escape. Providing a good seal is the key to distance spud launching.
2. Use a broom or a straight stick to muzzle load the potato. Measure out how far on the stick the potato has to be pushed down to be right before the combustion chamber and push it down to that level by marking the broom with marker.
3. Unscrew the back and fill with propellant. I like using pure propane from a blowtorch, but if one isn't available then hair spray can be used. This is the trickiest part of all. The correct mixture of gas to air has to be present for the gun to fire. Experimenting is the best way. One thing that is important to remember is that the gas needs oxygen to combustion therefore after each time it is fired air must be allowed into the chamber.
4. GIV 'ER HELL
