If you have the correct size tap for the nipple you should go ahead and tap the hole out.
Air cannon trigger valve.
An orbit sprinkler valve is a popular choice since it will be modified to open faster pneumatically with a blow gun.
These valves are most often found on car tires and bike tires.
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.
This video look at making a trigger for a air cannon.
A safe alternative for a new style sprinkler valve air cannon trigger.
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.
Sprinkler valve trigger system options.
A simple replacement valve for a car tire will suffice.
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 system sprinkler valve modification.
In this video i ll show you a simple way to modify a sprinkler valve for use in an air cannon spud gun.
A standard shcraeder air pump valve is used to charge a pneumatic cannon.
Sprinkler valve modification for air cannon.
Don t go above 100 psi as the valve probably can t take any higher value and the smaller pvc parts might explode.
Air cannons use valves as a means of both getting air into the gun and getting it out launching a potato with great hilarity.
A solenoid sprinkler valve is used in irrigation and lawn systems.
This is an orbit 1 inline sprinkler valve that we are using for our air cannon firing system.
You can obtain one from a landscaping company or maybe your local hardware.
I had a tap that was slightly too small but i used it.
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Aim your cannon in a safe direction away from houses and people 4.
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.