Gas-generator cycle

The Gas-generator cycle is a common cycle used for pump-fed rocket engines. It uses one or more gas-generators for driving one or more turbines, which power the turbopumps to bring the propellants from tank head to injector pressure. The exhaust of the gas-generator is vented over-board and is not used for propulsion.

This cycle has the advantage of being very simple to design and operate, but is getting very ineffective for higher chamber pressures.

See also

Gas-generator cycle in Wikipedia

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