Yeah its not exactly rapid fire....

I am using a 1 1/2" valve not a 2" so there is less surface area exposed on the tinfoil and it ruptures at higher pressures than it would in a 2" union. Also I might just have some strong tinfoil

I cut my layers of tinfoil individualy then stack them up and ...

This is my first post on the site and I thought I should start off with a completed project. Here is the most powerful potato gun I have made so far, my pneumatic burst valve cannon.

I designed and built the gun with simplicity, efficiency, and power in mind. I managed to achieve all three of ...