Share 'Als Potato Cannon'

I pre pumped the air chamber to 50psi before filming.Sorry for the plummers crack(LOL).I finished pumping to 60psi in the video.I will modify the air chamber to my new design later.this was my first one.I also normaly use my air compressor to fill it.I just wanted to show it can be done in the middle of no where mannually.Again sorry for the P.C.S. :)