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I cant find the 12 gram chart, can someone point me to it

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I cant find the 12 gram chart, can someone point me to it

Unread postAuthor: pyromanic13 » Mon Apr 30, 2007 4:30 pm

title
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Movie dialogue: "The good die first."
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Unread postAuthor: hi » Mon Apr 30, 2007 6:09 pm

yea, i was looking for it too, i think its was deleted because i had a link to it and now the link doesnt work.
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"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
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Unread postAuthor: pyromanic13 » Mon Apr 30, 2007 10:32 pm

ea but the actual chart was posted...not a link
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Movie dialogue: "The good die first."
Tom: "But most of us are morally ambiguous, which explains our random dying
patterns."

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Unread postAuthor: hi » Mon Apr 30, 2007 10:39 pm

yes, i know. i had a link to the page. it used to work and now it doesnt.

you are talking about the sticky by BC ARMS right?
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"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
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Unread postAuthor: PCGUY » Mon Apr 30, 2007 11:17 pm

Ask BC Pneumatics about it.

He made it.
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Yes, I am the guy that owns & operates SpudFiles (along with our extremely helpful moderators).
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Unread postAuthor: cb4289 » Fri May 11, 2007 4:25 pm

i hope this is what you rae talking about if not well i'm new
:lol:

12 gram CO2 cartridges are used primarily as a portable way to provide pressurized gas to a pneumatic cannon. They cost roughly $0.50 a peice, and are typically connected via an adapter, which can be purchased for about $10 USD. Once empty, they are often used as projectiles - they have a high mass, are quite sturdy, and fit in 3/4" SCH. 40 PVC.


The following is a chart outlining the chamber size (in cubic inches) vs. pressure in (pounds per square inch) using a 12 gram CO2 cartridge:

Chamber Size (ci) Chamber Pressure (PSI)
10 420
20 210
30 140
40 105
50 84
60 70
70 60
80 53
90 47
100 42

To calculate the pressure for any non-given value, use this equation, but note that the pressure can't go above 800 PSI (the vapor pressure of CO2).

4200/Chamber Volume In ci=Chamber Pressure in psi -OR- 4200/CV=CP For example: You have a chamber volume of 41.3ci. So it can be said that 4200/41.3=CP 4200/41.3 is equal to 101.6949152542373 For simplicity's sake we will round this to 101.7 This means that CP=101.7 PSI Your 41.3ci chamber will have a pressure of 101.7 PSI when filled with one 12g CO2 cartridge.

Retrieved from "http://www.spudfiles.com/spud_wiki/index.php?title=CO2_cartridge"
:?:
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Unread postAuthor: pyromanic13 » Sat May 12, 2007 6:29 pm

yep thanks
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Movie dialogue: "The good die first."
Tom: "But most of us are morally ambiguous, which explains our random dying
patterns."

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Unread postAuthor: cb4289 » Sat May 12, 2007 8:02 pm

really thats the one huh cool :o
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