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pnuematic mortar

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Unread postAuthor: bob-a-lu » Fri Jul 13, 2007 12:15 pm

is it possible i need ideas and it needs to be big enough to shoot easter eggs.
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Unread postAuthor: noname » Fri Jul 13, 2007 12:17 pm

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Unread postAuthor: spud yeti » Fri Jul 13, 2007 12:18 pm

Anything is possible, so get creative. Any specific questions: ask or search.
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really good quote/phrase here
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Unread postAuthor: bob-a-lu » Fri Jul 13, 2007 12:18 pm

thnx sorry i didnt search
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Unread postAuthor: singularity » Fri Jul 13, 2007 3:51 pm

well i have one that can shoot full water bottles 150ft with ease, an easter egg would probably get 500ft with it

heres a picture of it, the barrel and chamber are both 3in pipe to give you an idea of its size

<img src="http://i78.photobucket.com/albums/j85/irwinner_2006/0713071644a.jpg">
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

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Unread postAuthor: noname » Fri Jul 13, 2007 8:09 pm

You also used DWV on it, making it unsafe to use over 50 psi. :wink:
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Unread postAuthor: singularity » Fri Jul 13, 2007 8:18 pm

pssh... safety's for noobs, and i already knew that. i didn't feel like using 6 different bushings or special ordering the right one. i charge it to 80 most of the time, but its fired immediately after its charged. any ways i figure if it fails its just gonna end up shooting the chamber up in the air, nothing to serious
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

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Unread postAuthor: noname » Sat Jul 14, 2007 10:44 am

Unless you're not holding the elbows and they get shot at you instead. :D
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Unread postAuthor: singularity » Sat Jul 14, 2007 9:17 pm

wait the elbows are nsf-pw the bell reducer is the only thing thats dwv
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be sure to check out my <a href="http://www.spudfiles.com/forums/ak-style-airsoft-vortex-gun-t10959.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>

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Unread postAuthor: noob of noobs » Fri Jul 20, 2007 9:28 pm

Sorry to be so stupid, but how do you know the difference between DWV and other pieces? I know DWV take lower pressures, but I really can't find much else at hardware stores. Where do you get non DWV pieces?
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Unread postAuthor: NoXi » Fri Jul 20, 2007 9:57 pm

It says dwv or nsf-pw on it.
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Unread postAuthor: noname » Fri Jul 20, 2007 11:12 pm

NoXi, that was extremely vague, and can be misinterpreted.
DWV fittings say NSF-dwv on them, for a first. The main reason why they're unsafe is because the socket depth is so short. This means that the fittings don't "grip" each other as tightly, and can result in fittings being blown off/out.
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Unread postAuthor: NoXi » Fri Jul 20, 2007 11:13 pm

o, srry i didnt know.
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Unread postAuthor: noob of noobs » Sat Jul 21, 2007 9:07 am

Thanks. :D I thought DWV's were just made of cheaper material...
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Unread postAuthor: spudthug » Sat Jul 21, 2007 9:16 am

it is cheaper material and mostly thinner..sometimes its foam core and thats ten times worse...
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4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
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