Basic pneumatic cannon

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
MDSpudderButter
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Sun Apr 18, 2021 8:29 am

Hi all. It's been quite some time since I've logged on, I like the new site layout! I just realized I only have a thread on my 4L propane cannon and not my pneumatic. Just dug it out of the basement. I will clean it up and work on removing the non pressure rated bell reducer in favor of some bushings. I figured it was okay to post since the category pictured antenna launcher has one too. It's been up to 140 psig more times than I can count, but i figured I should probably fix it anyway.
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jackssmirkingrevenge
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Sun May 02, 2021 8:09 am

A nice old school PVC/Sprinkler setup, looking good!
hectmarr wrote:You have to make many weapons, because this field is long and short life
Luke31
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Tue May 04, 2021 12:10 pm

It looks like the air flows into the handle when firing. That area basically needs to fill up with air before it can produce a force down the barrel. Might be effecting performance.

*edit* nevermind, saw the valve is in front of it.
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