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High pressure pen gun MK1

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: Necrosis » Thu Aug 07, 2008 11:54 am

Sticky_Tape wrote:it doesn't mattre if it isn't done yet just give us a pic.


I had to make the pictures so .. lol

<a href="http://img526.imageshack.us/my.php?image=canonbackup155it2.jpg" target="_blank"><img src="http://img526.imageshack.us/img526/4081/canonbackup155it2.th.jpg" border="0"></a>

<a href="http://img134.imageshack.us/my.php?image=canonbackup156ex2.jpg" target="_blank"><img src="http://img134.imageshack.us/img134/2181/canonbackup156ex2.th.jpg" border="0"></a>

<a href="http://img98.imageshack.us/my.php?image=canonbackup157ms6.jpg" target="_blank"><img src="http://img98.imageshack.us/img98/2595/canonbackup157ms6.th.jpg" border="0"></a>

<a href="http://img526.imageshack.us/my.php?image=canonbackup158kn6.jpg" target="_blank"><img src="http://img526.imageshack.us/img526/4026/canonbackup158kn6.th.jpg" border="0"></a>

Edit: I shook like an elderly guy with parkinsons... the last one is good though.
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Unread postAuthor: Sticky_Tape » Thu Aug 07, 2008 12:11 pm

So you machined that? what is the bore of the cylinder?
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Necrosis » Thu Aug 07, 2008 12:20 pm

Sticky_Tape wrote:So you machined that? what is the bore of the cylinder?


Yep I did, the bore of the cylinder is 9 mm.

Won't quite make 200 yet.. since it would take 127.2 kilos to get that pressure, I am working on a a spring system that would take the force involved in pulling the handle upwards wich will assist in pressing it downwards. So I can still limit the amount of pups it will take to pump it to a certain pressure

I will make a pump that is made 2 stage by my compressor soon enough.. this is just for testing stuff to say.. 100 bars or less.
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Unread postAuthor: Sticky_Tape » Thu Aug 07, 2008 12:29 pm

It will take for Fing ever to pump a rifle sized gun up to that pressure with that pump 9mm wide plunger damn.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Necrosis » Thu Aug 07, 2008 12:40 pm

Sticky_Tape wrote:It will take for Fing ever to pump a rifle sized gun up to that pressure with that pump 9mm wide plunger damn.


That's why there's this pen gun.

And when I make the mod so that it's a 2 stage pump it will pump 9 times faster.. so it will pump like a normal sized pump.
And I can just screw on a bigger bore.. since it's completely modular. :)
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Unread postAuthor: Sticky_Tape » Thu Aug 07, 2008 1:08 pm

Well anyway good luck making the piston.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Sticky_Tape » Thu Aug 07, 2008 1:51 pm

What type of rubber are you going to use with the piston?
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You can tell how awesome a cannon is by the pressure used.
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Unread postAuthor: Necrosis » Thu Aug 07, 2008 3:47 pm

Sticky_Tape wrote:What type of rubber are you going to use with the piston?


Probably a delrin/teflon cup. so yeah.. no rubber at all..
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Unread postAuthor: Sticky_Tape » Thu Aug 07, 2008 4:07 pm

sealing face I mean
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You can tell how awesome a cannon is by the pressure used.
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Unread postAuthor: the unit » Sun Aug 17, 2008 11:24 pm

i think he meant what he said, teflon/delrin are used as the seals on poppets in blowback paintball guns and seal perfectly at 850psi and on i would assume
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Unread postAuthor: Antonio » Mon Aug 18, 2008 3:39 am

Nice work here! Is ganna be pretty cool once everything works:)
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