In this instructable I will show u how to make a bolt action potato cannon barrel.
Step 1: Materials
steel file (or other)
29 cm of 1.5" pipe
67 cm of 1.5" pipe
Step 2: The Mobile Part
Cut the pipe to adapt perfectly to the big pipe
Step 3: Cutting
Now cut the big pipe like this
Note: The first cut must be 2-3 cm shorter than second
Step 4: Drilling
Make a hole like screw diameter in the corner of the "L" cut.
Step 5: Projectile
Projectile will be ready soon ;) Any idea is welcomed......