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Synerjet for Earth/Orbit Propulsion: Revisiting the 1966 NASA/Marquardt Composite (Airbreathing/Rocket) Propulsion System Study
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Abstract
A landmark study of Synerjet propulsion for fully-reusable Earth/orbit transport missions was conducted for NASA in 1965-67 by a study team of Marquardt, Rocketdyne, and Lockheed (the present author led this effort). Synerjet propulsion systems are fully integrated aerospace vehicle power-plants, comprising both airbreathing and rocket hardware subsystems and technologies. They are thereby capable of multimode operation using airbreathing, rocket, and certain mixed airbreathing/rocket thermodynamic operating cycles.
The final report (9 volumes) deriving from this 20-year ago study could have applicability to post-Shuttle systems assessments currently underway. However, for reasons of passage-of-time and the (then) classified nature of the study, its documentation seems not well known, and to be in scarce availability today.
This paper ameliorates this limited information-availability situation by providing a readily accessible, study overview for the interested reader.
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Citation
Escher, W., "Synerjet for Earth/Orbit Propulsion: Revisiting the 1966 NASA/Marquardt Composite (Airbreathing/Rocket) Propulsion System Study," SAE Technical Paper 851163, 1985, https://doi.org/10.4271/851163.Also In
References
- Escher, William J. D. Flornes, Bruce J. “A Study of Composite Propulsion Systems for Advanced Launch Vehicle Applications,” The Marquardt Company Report 25, 194, final report under NASA Contract NAS7-377 7 16 September 1966
- Flornes, Bruce J. Escher, William J. D. “A Study of Composite Propulsion Systems for Advanced Launch Vehicle Applications (Extension Phase)” The Marquardt Company Report 25,220, final report under NASA Contract NAS7-377 (extension) 2 April 1967
- Kramer, Peter A. Bühler, Rolf D. “ISTRA: Ein Luftatmender Ballisticher Raumtransporter für Europa” annual meeting of the Deutschen Gesellschaft für Luft- und Raumfahrt (DGLR) 5-7 October 1982
- Koelle, D. E. et al “BETA, a Single-Stage Reusable, Ballistic Space Shuttle Concept” Proceedings, 21st International Astronautical Congress 1971 North Holland 393 407
- Escher, William J. D. “The Synerjet Engine” Spaceflight British Interplanetary Society November 1972