Potato Cannon Upgrade

In this instructable I will show u how to make a bolt action potato cannon barrel.

Step 1: Materials

hack saw

sharp knife

11cm screw

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......