So i am going to build a new cannon with a coaxial valve and i was wondering if there are any good free plans.

ill bet you that 3000 psi rated pipe wouldn't break until at least 10000 they way under rate them otherwise if it was at 2999 and it failed they would get sued all the time

you would get a metal stand with car shocks and and electronic egnition system i may be crazy but i am not dumb

Where would you get e 3 inch sprinkler valve cuz if you can i am there.
Thanks

I was thinking that it would have a tank.

I am building a gun (better refered to as a cannon sinse it is like 15ft long) that i need to get a valve for it, it is a 4inch * 5ft tank and a 2inch *8ft barrel And the hand valve i got doesn't work(no real suprise) but i was wondering if you thought that two sprincler valves would work. so it wou...

for this do you think i could use 2 sprinkler vavles to do my job instead.

I'm not sure i am going to but if i ddo my dad will make me use top notch materials so i dont kill myself.
Thanks for all the replies.

so has anyone actualy built there own valvue like a supah.

I would try getting an airsoft and getting the addapter from that because that is tested and is well made.

Thanks for the link ut i wish it was a little better quaility video. have you built one and do you know if it works cuz if it does i might build one.

I havent built it yet i am just deciding if i should because i am a junior high student and i dont have a ton of money.

Thanks and to check my sanity would you launch a gun like this.

I am thinking about at least one supah vavle so thanks for the suggestion.

this might sound comletly nuts and it might be but i was thinking making a potatoe laucher using a scuba tank as the air source. This is because the scuba tank is somewhere along the line of 3000 psi so you could get a big kick out of that. The only problem is the barrel i was wondering if anyone kn...