Paintball Air Cannon




a very high power paintball gun. can b pumped up to 100 psi safely. Be careful though it is very dangerous some how it managed to shoot a paintball through a bike helmet at 30 psi (not sure how that happened)

also i will give the instructions for a barrel that fits a paint grenade and shoots it 100-200 feet fairly accuratly but you have to use a tippman squadbuster take of the mesh then pull the pin out and make straight instead of bent and slide it down the barrel

a shorter barrel makes it more accurate becuase it is overly poweful with a long barrel and i will get video of it

Step 1: Getting Materials

2 9-inch long 3-inch diameter schedule 40 pvc pipes
2 3-inch diameter schedule 40 pvc end caps
2 1 1/2 to 3/4-inch reducing bushings the 3/4-inch part threaded
2 metal 3/4-inch pipe nipples
1 3/4-inch ball valve (can get an electric sprinler valve to have an electric tigger)
1 1 1/2-male threaded adapter
1 1 1/2-female threaded adapter
1 1 1/2-inch to 1-inch reducing bushing
1 1-inch to 3/4-inch reducing bushing
1 3/4 inch pvc pipe (watever length you chose but longer makes it stonger to a point)
1 tubeless tire valve
1 thing of pvc cement
1 thing of pvc primer
1 roll of teflon tape
1 0-160 psi gauge (optional if your pump has a psi gauge your fine)
1 t connecter 3*3*1 1/2
Optional(for paint grenade launcher)
1 female 1 1/2-inch adapter
1 1 1/2-inch pve pipe(any length)

Step 2: Building the Pressure Chamber

All of this is assuming you know how to glue pvc parts together

first cut the rubber off the bottom of the tubeless tire valve but leave it around the sides then take one of the end caps and drill a hole just about the same size as the tire valve with the bottom cut off a little smaller will work better then hammer it in then glue the endcap to one of the 9-inch pieces then glue the nine inch piece into the t connector nows when you wanna decide if you want to put a psi gauge on or not. if you do drill out a hole into the other end cap and thread it in
(if you cool it and it fits snuggly then when it heats up it will ave a very tight seal) then glue this endcap to the remainig 9-inch piece then attach it to the t connector(if you dont want the psi gauge just glue the parts together the same way just skip the drilling part) then take one of the 1 1/2 inch to 3/4 inch reducing bushing and glue that into the t connector

Step 3: Attaching the Barrel and Valve

ok now you have to take one of the 3/4-inch pipe nipples and screw it into the reducer attached to the t connector then screw the 3/4 inch ball valve into the nipple. Then attach the other nipple to the other end of the 3/4-inch ball valve. then attach the remaining 3/4-inch to 1 1/2 adapter to the nipple. then the 1 1/2 male threaded adapter. Then attach the 1 1/2-inch female adapter to the male one. Then put a 1 1/2-inch to 1 inch reducing bushing. then put in the 1-inch to 3/4 inch reducing bushing. Lastly put the 3/4-inch barrel in that and your done.

Step 4: Optional Paintball Grenade Barrel

just glue the 1 1/2 inch barrel to the 1 1/2 female threaded adpater.

Step 5: Your Done

now all you need is a bike pump or an air compressor and both barrels just screw on and off so you can interchange them
and about the paintball barrel i haveonly come up with one problem and that is that the gun is so powerful that accuracy is kinda questionable now a shorter barrel would in theory help



    • 1 Hour Challenge

      1 Hour Challenge
    • Growing Beyond Earth Maker Contest

      Growing Beyond Earth Maker Contest
    • Classroom Science Contest

      Classroom Science Contest

    64 Discussions


    12 years ago

    if you freeze the paint balls.... when you shoot it it would probably fire more accuratly... i havent tried but i would think more mass might help

    19 replies

    Reply 12 years ago

    nope because freezing it dozent change the amount of mass it just changes it from liquid to solid

    It might help to freeze them, I think. Paintballs are water based and water is one of those compounds that gets less dense when it solidifies. Maybe this would help the paintballs fit better inside the barrel. Or get stuck.

    I bought some black balls advertised as "riot balls" on Ebay. They seem to be a nylon-type plastic, very hard. The softer balls are sold as "reballs". The black balls are dangerous.

    no, if they wanted to blind them, they have mass amounts of teargas, mace, etc. I've seen riots get sprayed with GALLONS of pepper spray, trust me, pepper balls wouldnt do any good, you couldnt put enough pepper in one, and its hard to hit someone in the face without putting their eyes out lol.

    actually he is right the police use paintball guns with a special pepper spray paintball that is presurized so it sprays out on impact and hurt there eyes if they are anywhere near


    there called pepper balls and when the balls bust they vaporize and they act like being near onions except it irritates ppls eyes rly bad!


    Reply 11 years ago on Introduction

    well maby sometimes they can use it for like big riots and have "sniper paintabl guns/markers" and cops shoot the "leaders" of the riot

    oh. but I do know that rubber paintballs exsist lol. interesting fact: my dad used to be on a pro team, have a $2,000 gun, and play like 3 times a week.