| PROPULSION ENGINE TYPES | ||
Liquid propellants, on the other hand, are the more powerful of the two. Also, unlike their solid fuel counterpart, they are adjustable. Valves and regulators can easily control the flow of propellants into the combustion chamber to vary or even stop thrust. In terms of thrust, they offer better performance, but the difficulties in propellant storage and handling are considerably increased. Many liquid fuels must be handled at extreme sub-zero temperatures, limiting their use. Unfortunately, this point makes liquid propellant rockets much more intricate and complex. |
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