This guide is meant as a basic guide. The user of this guide is responsible for any damage and/or injury that might result from using this guide.
Another words play it safe and make sure you understand this guide from start to finish and if you have any questions please ask them. The community here on the forum and I will do our best to answer them. Always handle the final product as if it is charged and loaded.
Parts needed
Pipe
5 feet of 2 inch SCH 40 PVC pipe
1 foot of 1 inch SCH 40 PVC pipe
Fitings all slip fit unless noted
2 2" to 1" adapters
2 2" couplers
1 2" to 3/4" adapter
1 1" 90* elbow
1 2" T fitting
1 2" Male threaded connector
1 2" Female threaded Cap
1 3/4" Female threaded connector
Other:
1 Low pressure regulator (I recomend the Palmers Stabilizer but just about any adjustable reg will work)
1 Remote Line
1 0-300 PSI Pressure Gauge
1 Electric Sprinkler Valve
PVC Cement
As many 2" Nerf footballs you can get your hands on.
Instructions
Prepare the Regulator
Remove the Fill nipple from the adapter
Install it in the input of the reg
Attach the gauge
Build the Pressure Chamber
Fitting the Reg to the Chamber
Fitting the valve to the chamber
Build The Breach
Attach the barrel
Note: This is incomplete at the moment as I am writing the how to as I build a new one so picts and instructions will be added as the are completed