A comparison of nuclear thermal rocket development cost and schedule for piloted missions to Mars

Details A comparison of nuclear thermal rocket development cost and schedule for piloted missions to Mars A comparison of nuclear thermal rocket development cost and schedule for piloted missions to Mars

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jpmc.confrq...c&link_type=abstract

AIAA, SAE, ASME, and ASEE, Joint Propulsion Conference and Exhibit, 29th, Monterey, CA, June 28-30, 1993, 14 p.

Mathematics

Logic

Design To Cost, Manned Mars Missions, Mission Planning, Nuclear Fuels, Nuclear Rocket Engines, Reactor Design, Rocket Engine Design, Comparison, Nasa Space Programs, Research And Development, Space Exploration, Space Transportation, Technological Forecasting

Scientific paper

In Fiscal Year 1992, NASA led a team, including DOE, universities, and industry, that evaluated various schedule and cost scenarios for development of nuclear thermal rocket propulsion systems for piloted Mars exploration. This paper summarizes the results of two of these studies: (1) a so-called 'Fast Track' approach, that would result in technology readiness level 6 (TRL-6-system ground testing complete) by the year 2000, and (2) a slower program that results in TRL-6 by 2006. Both scenarios included a concurrent engineering approach. Costs and schedules for the two scenarios are compared. In addition to the six-year schedule delay, the TRL-6 in 2006 scenario is estimated to increase the cost of the program from $4.7 billion to $5.8 billion (in real-year dollars). On the positive side, the technical program should be better, since nuclear testing of fuel elements may be possible prior to concept down-select, resulting in a more informed decision.

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