Solid Rocket Motor (Misc)
A solid rocket motor uses a propellant which combines t' motor's fuel and oxidizer into a solid. Avast! Most hobby rockets use solid rocket motors. Smaller ones, such as t' ones manufactured by Estes and Quest use a propellant made from packed black powder. Begad! Blimey! Most larger commercially-made motors use a composite propellant called APCP.
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