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Palmer's Pursuit Shop
3951 Development Dr. #3
Sacramento, CA. 95838
Ph. (916) 923-9676
Fax (916) 923-9674

     

 

 

 
 

 
 

 


Acceptance Mark

Copyright © 2000 [Palmers Pursuit Shop]. All rights reserved.  Revised:
  July 28, 2007 11:03

 

Frequently Asked Questions

   
CO2, N2 and Compressed Air Questions
How we get CO2 to work
Physical Properties
Safety Information
CO2 Chart

 The only thing that is constant with CO2 is changes.
However, those changes are very consistent and very
predictable.   The trick is to work within the realm
of what CO2 will produce in terms of energy under
given conditions rather than trying to change the nature of things.
 
Dear Glenn Palmer:

Hi, I was reading APG (action pursuit games) and it was talking about coČ and they said "coČ can be difficult for every one in cold weather (except those who know Glenn Palmer (wesplat@cris.com) and the way he runs coČ very efficiently without a heat source in rather cold weather)

        It is difficult for me too.  I can't do anything about the way CO2 acts
        but I've figured out how to get my guns to work within the limitations
        that CO2 presents.   The trick is to get the gun to operate with the
        pressures, flow and expansion rate conditions that CO2 offers
        when it is cold.  You also have to limit your rate of fire to a level
        that CO2 can keep up with.  CO2 has to go through the process of
        changing from a liquid to a gas and the speed at which that conversion
        takes place slows down as temps drop. The process of changing to a gas
        is what generates the chilling effect of CO2.  A heater can only effect
        the CO2 when you stop shooting because chilling takes place much
        faster than any sort of safe heater could keep up with.
        Before you go to the chrono to set up to play, make sure that your
        gun and the tank you are going to use, is already the same temp as
        the air.  That way you will be chronoing on under the same conditions
        that you will be playing under.

        The type of equipment you are using will also limit the effectiveness
        of CO2 in cold weather.  In short, the gun has to able to operate
        effectively at lower pressures and slow expansion rates.
        Typically, most "blow-back" operated guns will find it difficult
        to be very effective with CO2 in cold weather.  Since the same
        blast of air is used to both fire the ball and cycle the action, at
        the same time, the available energy is split and doesn't provide
        full potential to either the firing of the ball or re-cocking the gun.
        It is much easier to be effective with CO2 when the acts of firing
        and cycling the gun are separated; as is the case with pump action
        or "closed-bolt" type semi autos.
 

So I though well they must of had to ask him if they could or not I though i would email you it is getting cold and in  Nov. 30 I am getting a spyder shutter and I would like to play as soon as I can so could you tell me how to run my coČ  without a heat source
        DO NOT use a heat source.  It will just create more inconsistency
        not to mention , it isn't safe either.
(and if u r the guy that owns Palmer's pursuit shop i have seen
the guns u have customized and the look very cool

 

ICC Classification Nonflammable compressed gas; green label 
Purity Typical 98.8% 
Valve Outlet CGA-320.825-14 NGO RH Ext. 
Properties...
Carbon dioxide is a compound of carbon and oxygen in proportions by weight of about 27.3 percent carbon to 72.7 percent oxygen. A gas at normal atmospheric temperatures and pressures, carbon dioxide is colorless, odorless and about 1.5 times as heavy as air. A slightly acidic gas, it is felt by some persons to give a slightly pungent odor and biting taste. It is normally inert and non-toxic. Carbon dioxide exists simultaneously as a solid, liquid and gas at a temperature of -69.9 degrees F and a pressure of 60.4 psig (its triple point). Carbon dioxide will not burn and will not support combustion or life. 
Physical State in Cylinder Liquid 
Cylinder Color Industrial Grey 
Cylinder Color High Purity Silver 


Safety Information 

Physiological Effects...
Carbon dioxide is present in the atmosphere to the extent of 0.03 percent by volume and is normal to body processes in limited amounts. Carbon dioxide acts upon vital functions in a number of ways, including respiratory stimulation, regulation of blood circulation and acidity of body fluids, and the concentrations of carbon dioxide in the air affects all of these. However, high concentrations become dangerous in their effect of diluting or depleting the oxygen in the air. 

CAUTION...
WILL NOT SUPPORT LIFE. WILL CONCENTRATE IN LOW AREAS. STORAGE AREA MUST BE WELL VENTILATED OR IMMEDIATE LOSS OF CONSCIOUSNESS WILL HAPPEN, THEN DEATH. 



Other Info on how CO2 is made and it's uses.

http://cdiac.esd.ornl.gov/
http://www.wittemann.com/co2.htm#menu