Pressure of CO2 cannot be simply increased through compressing the gas. The higher the temperature of CO2, the higher pressure of the gas will be. One important concept you should bear in mind when dealing with Co2 air rifles is that the pressure of CO2 is directly related to the temperature. This happens until the temperature and pressure of the gas balance.
When some of the gas is released, the pressure reduces, forcing some of the liquid to turn into gas. An increase in pressure beyond this point causes the excess CO2 to turn into liquid for.Ī typical CO2 cylinder therefore contains the gas in both liquid and gas form. With temperatures of about 70 degrees F, CO2 has an approximate pressure of 852.8 psi. Now, CO2 remains in its gaseous state at temperatures above -69.9 degrees F. As of now, CO2 pellet guns have flooded the market and both old and young own them for various purposes. Moving on to the mid 20th Century, the popularity of CO2 air rifles increased as Crosman sold promoted the idea of shooting galleries at workplaces. Then, CO2 was such a rare commodity that only the elite few could have access to. Its history dates back to the late 19th Century where Paul Giffard of France used the gas in his guns. The use of carbon dioxide in air rifles is not a new technology as such.
As the gas moves from the compressed chamber to ambient air, the difference in pressure leads to a violent explosion in the chamber and thus a shot is fired. The CO2 gas is stored in cartridges, which can be 12 g or 88 g. What are CO2 airguns?ĬO2 air rifles basically use the expansion of CO2 gas to create the pressure needed to propel the pellets. CO2 air rifles have really gained popularity. the mechanism by which the projectiles are fired. They all refer to the powerplant of the air rifles – i.e. These are terms you are all familiar with whether new or a veteran in the airgun industry. PCP, Springer, CO2, Variable Pump and Gas Piston.
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