monopropellant system
Quick Summary
A monopropellant is a rocket propellant that contains both fuel and oxidizer within a single substance. This is distinct from bipropellant systems, which store fuel and oxidizer separately and mix them in the combustion chamber. Monopropellants are ignited by an external source. Examples of monopropellants include nitromethane. These systems are used in rocket engines, often for attitude control on spacecraft.123
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