Layton, J. Preston Formerly, Conceptual Design Division, RCA Astro-Electronics, Princeton, New Jersey.
- Additional Readings
The impulse produced by a rocket divided by the mass mp of propellant consumed. Specific impulse Isp is a widely used measure of performance for chemical, nuclear, and electric rockets. It is usually given in seconds for both U.S. Customary and International System (SI) units, but this is not strictly correct.
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