First decent piston

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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MrCrowley
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Why don't you want to go to HD?

Why does your teacher have 2" pipe and why is he/she giving it to you? :)
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elitesniper
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my tecnology tech is cool man she also makes pnuematics :shock: well she made one that shoots rocket, any ways she gave me the keys to her storage in the back to get her air compressor so i went there then i saw a crap load of pvc then i was like :shock: , so on tuesday ima ask her for some 2 inch, ill go Hd for 1.5 inch though :lol:
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