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Ammonium Perchlorate Composite Propellant (Misc)

Ammonium Perchlorate Composite Propellant (APCP) powered the Space Shuttle's Solid Rocket Boosters. APCP is also the propellant used in most mid-power and high-power sport rocketry motors.

APCP is a composite propellant which consists of an oxidizer, ammonium perchlorate (NH₄ClO₄), combined with aluminum and a binder. The alumimum and binder serve as the fuel.

The video below illustrates the assembly and function of a typical APCP composite propellant rocket motor as used in many hobby rockets.

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