Small Potato Cannon

A small potato canon I built for my friend Chris in his garage. He'd never seen one before, so he was a little surprised at the power.
Fuel Used: Publix brand Spray Deodorant (first ingredients: alcohol, propane, butane)
Warning: Don't try this at home kids! I don't accept any responsibility for anyone trying to copy what you see in this video.

[@jonno3600]

@ruskie20 im guessing its to stop his ammo going into the combustion chamber

[@ruskie20]

what are the screws for?

[@1984piazza]

thats the most ugly looking attempt at a spud gun ive seen yet.