no doubt a hose doesnt have that much presure but it isnt the amount of pressure generating the most amount of force it is the front birdie piece and the action it makes as it leaves the barrel. For some reason the velocity is extremely high.

The canon isnt amazing looking its just a pvc pipe connected to a hose using duck tape ,but to be honest the first time i fired it i questiond it ability. Foolishly i aimed it in the direction of out nighbors house accross the street and three doors down and it shot right over their new van (only mi...

You can dought it but its true when the badmitten piece leaves the tube it creates a reflex type action firing the marble at least that far. Youd be supprized by what a hose can do.

I was bored about six months ago and decided to experiment with a cannon using pressure from a garden hose. I made this cannon in about 5 minutes and it was able to shoot a marble about 200ft in a straight path. The design is very simple and requires duck tape (to seal the hose to the pvc pipe), pvc...