High pressure pen gun MK1

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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Necrosis
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It's a pen sized piston valved pengun from hell.. atleast.. it's going to be.

The pressure test at 8 bar showed no leaks.
Up that pressure 10 times.. and that's what I am going to try it at next. when my pump is finished.

I might even go all the way up to 200 bars.. since this can easilly hold that.

Well is it any good to even use a piston at such high pressures?


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SpudFarm
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you should use a machined piston that is as light as possible.
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Necrosis
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BUMP!


I finished the checkvalve for my high pressure pump!

I should be able to test this pengun soon

:D
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elitesniper
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can we see some more detailed picture? :)
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jackssmirkingrevenge
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lets see some internal pics :)
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Necrosis
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jackssmirkingrevenge wrote:lets see some internal pics :)
There are not much internals yet.

I have yet to make a poppet valve in the back.
And the piston


Prorbably will do this once I get my 1/4th inch gas thread tap.
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psycix
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Is it really fat, or just short?
Whats the diameter on that thing? It looks a bit massive for a pen.
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blind909
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psycix wrote:Is it really fat, or just short?
Whats the diameter on that thing? It looks a bit massive for a pen.
I think its more of a marker gun
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psycix
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Or a "pencil case gun"
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jackssmirkingrevenge
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psycix wrote:Or a "pencil case gun"
Interesting idea - imagine a row of four or five marker guns in a hard pencil case, it will give you concealed multi-shot capability, just like this cell-phone gun - as a purely academic exercise, of course ;)
hectmarr wrote:You have to make many weapons, because this field is long and short life
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Sticky_Tape
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looks like it will pretty cool can you give us a pic of it next to a rule?
unfourtunatly just a guess I don't think that you will find a type of rubber to hold that much pressure.
BTW holy shite this will use 200bars? What is your airsourse scuba tank?
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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Necrosis
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Sticky_Tape wrote:looks like it will pretty cool can you give us a pic of it next to a rule?
unfourtunatly just a guess I don't think that you will find a type of rubber to hold that much pressure.
BTW holy shite this will use 200bars? What is your airsourse scuba tank?
My high pressure pump..
Or if that fails, my scuba tank, yep.
Image


:)
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Sticky_Tape
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Ha Ha it's longer than mine mine is olny 160mm. you are going to get 200bar out of your pump can you give a pic?
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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Necrosis
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Sticky_Tape wrote:Ha Ha it's longer than mine mine is olny 160mm. you are going to get 200bar out of your pump can you give a pic?
It's not done yet. (need to wait for stupid o-rings to come in. :/ (Yep hydraulic grade ones)


But I must have a pic somewhere.. let's see...


Okay wait up 5 min.
Allthough we may be the most intelligent creature on this planet, we are also the most inconsistent.
To find peace within our existence we often create a logic that endangers our lives.
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Sticky_Tape
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it doesn't mattre if it isn't done yet just give us a pic.
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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