The Air Tank:
Here we have the main component of our air cannon, the 5 Gallon Portable Air Tank from harbor freight. This is the core component for our build. The reason we are using this tank is there is no modifications required to the tank its self for this project. It uses a 1/2 inch course threaded fixture that is the same as standard plumbing parts. We also are using 1/2 inch so we can get rapid discharge from the tank. This will cost you about $19.00

The Air Valve:
For this project we are using a 1/2 inch 12V solenoid valve that is used on car suspensions or air horns. This type of valve only works in one direction so it is important to note the direction it is oriented when it is installed. We picked this up for $22.00 on ebay.

Plumbing Nipple:
For this project we used four 1/2 inch steel plumbing nipples. These will cost you about $1.25 each.

Plumbing "T":
For this project we will use one 1/2 inch steel plumbing “T”. These will cost you about $2.50 each. This allows us to reuse the fixtures on the tank to fill the tank with ease.

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