Solid (APCP)

Overview

A cast solid propellant of ammonium-perchlorate oxidizer, aluminium fuel, and a rubber binder. High thrust and simplicity, but not throttleable or shut-down-able once lit; used in the Shuttle/SLS boosters, Vega, and many strap-on boosters.

Knowledge connections

• Propellant ofSpace Shuttle Solid Rocket Booster
• Propellant ofSLS Solid Rocket Booster
• Propellant ofAriane 5 solid boosters (EAP)

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.