A pvc ball valve for your trigger or a low voltage sprinkler valve is an even better choice for releasing the pressure from the cannon quickly to propel your ammo toward your target.
Air cannon trigger valve.
This is a solenoid sprinkler valve which becomes the heart of the air cannon firing system along a trigger and batteries.
If you have the correct size tap for the nipple you should go ahead and tap the hole out.
These valves are most often found on car tires and bike tires.
The ball valve trigger has since been replaced with a valve from a sprinkler system giving this high power pvc air cannon a fancy brass trigger.
You can obtain one from a landscaping company or maybe your local hardware.
Instead i will mount the nipple and blow gun trigger to the plug itself.
This modification will allow your valve to open much faster than normal providing you with more power.
Air cannons use valves as a means of both getting air into the gun and getting it out launching a potato with great hilarity.
It looks awesome and can kill a watermelon from.
Aim your cannon in a safe direction away from houses and people 4.
A solenoid sprinkler valve is used in irrigation and lawn systems.
Sprinkler valve trigger system options.
Pump up the cannon to either 10 30 psi for short distance shooting 40 60 psi for medium distance shooting and 70 100 for long distance.
Don t go above 100 psi as the valve probably can t take any higher value and the smaller pvc parts might explode.
Drill a half inch hole into the center of the plug.
In this video i ll show you a simple way to modify a sprinkler valve for use in an air cannon spud gun.
I had a tap that was slightly too small but i used it.
An orbit sprinkler valve is a popular choice since it will be modified to open faster pneumatically with a blow gun.
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A simple replacement valve for a car tire will suffice.
Sprinkler valve modification for air cannon.
This is an orbit 1 inline sprinkler valve that we are using for our air cannon firing system.
This video look at making a trigger for a air cannon.
