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In this instructable I will show u how to make a bolt action potato cannon barrel.
hack saw sharp knife 11cm screw steel file (or other) 29 cm of 1.5" pipe 67 cm of 1.5" pipe
Cut the pipe to adapt perfectly to the big pipe
Now cut the big pipe like this Note: The first cut must be 2-3 cm shorter than second
Make a hole like screw diameter in the corner of the "L" cut.
Projectile will be ready soon ;) Any idea is welcomed......
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