= System-specific impulse
{wiki=System-specific_impulse}
System-specific impulse, often denoted as \\(I_\{sp\}\\) or just \\(I_s\\), refers to the efficiency of a rocket engine or propulsion system when considering its entire setup, including all components and not just the engine itself. This concept extends the traditional notion of specific impulse by factoring in the contributions and effects of various system elements such as fuel, oxidizers, and auxiliary systems that may affect overall performance.
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