Composite Rocket Fuels

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1.) Introduction

Composite propellants are solid rocket fuels that are composed of separate fuels and oxidizers mixed together in one homogenous mass. This propellant is then either molded into a grain to be inserted in an engine or cast in an engine casing and left to harden. The fuels and oxidizers taken separately are generally unreactive. Composite propellants are used in a number of engines. There are engines that use water for fuel and an oxidizer, air for an oxidizer like a ramjet, and a liquid/solid engine that can be throttled. The rocket motors discussed here a best built by the amateur with propellant weights below 2 lbs. and preferably under 1 lb. This is still powerful enough to shoot a sizable rocket to well over 4 miles altitude...

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