A CO2 rocket is a type of model rocket that uses carbon dioxide (CO2) as the propellant. In many hobbyist applications, CO2 rockets often utilize small, pressurized cartridges filled with CO2 gas. When the cartridges are released, the gas expands rapidly, creating thrust that propels the rocket upward. CO2 rockets can be simple and are commonly used in educational settings to demonstrate principles of physics, aerodynamics, and propulsion.
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