First Pneumatic

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
SpoonZ
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This is my first Pneumatic, only ever had experience with Combustions. And I have to say. Pneumatics. By far. I was overwhelmed by the power of these things.

All the white PVC is 32mm Pn12 Pressure PVC rated at 175PSI. 470mm Chambers and a 600mm Barrel, Irrigation piping. The black reducer and pipe looking things are threaded irrigation connectors/adapters. Not sure but they might be ABS, but there are 3 of them all doubled over each other. So a chance of a crack etc it will be the chamber. 15mm Brass ball valve and filling is a bike valve/schrader valve.

Currently had it to 85PSI not a leak in it, AA batteries fit perfectly down the barrel and at 85PSI will fly maybe 200M or more, not sure. Sorry about the green mess. I didnt want the pressure PVC cement to allow any leaks.

Anyway, seeing as its my first. You think its safe to take it up past 100 PSI? Maybe to like 120?

Cannon
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Damage shot: Small rock at 45 PSI 15 Feet away. In this side.
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Damage shot: Out the other side.
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Battery at 50PSI into bricks.
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jrrdw
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You will never know untill you do it. Thats like asking if sex feels good, you never know untill you do it. Just wear protection when you test the limits, during both of above mentioned!
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jackssmirkingrevenge
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SpoonZ wrote: By far. I was overwhelmed by the power of these things.
buy a sprinkler valve and mod it, you'll be even more amazed at the increased power and accuracy :)

Still, very nice for a first effort.
hectmarr wrote:You have to make many weapons, because this field is long and short life
SpoonZ
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jackssmirkingrevenge wrote:
SpoonZ wrote: By far. I was overwhelmed by the power of these things.
buy a sprinkler valve and mod it, you'll be even more amazed at the increased power and accuracy :)

Still, very nice for a first effort.
Yeah haha, thats what I was going to do this weekend.
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experament-u2
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welcome to files spoonZ and a sprinkler valves will do ur gun wonders
good job
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Pyro Ninja
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pretty good first......good job :)
iknowmy3tables
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irigation stuff should be fine I think but that barrel sounds like it might bend
nice gun well done and that priming job is great compared to most guns
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chaos
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iknowmy3tables wrote:irigation stuff should be fine I think but that barrel sounds like it might bend
nice gun well done and that priming job is great compared to most guns
no way, it might flex a lil bit, but thats premium aussie poly pipe
(i think,unless u not in Australia)

its great stuff for barrels.
SpoonZ
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Will flex a bit like Chaos said. but not too much. 102PSI with the smallest leak. Just have to replace the 2 black reducers. I did them to tight and have just about threaded them selves. So thats why i think its leaking.

Anyone know where to buy sprinkler valves?
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