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A Design for a Two-Stage Solid Mars Ascent VehicleA solid propulsion system design is being considered for a conceptual Mars Ascent Vehicle (MAV) as part of a potential robotic Mars Sample Return campaign. A Preliminary Architecture Assessment for a MAV is being conducted at Marshall Space Flight Center. Experts from all relevant areas are involved in a rapid design and analysis cycle to define a MAV vehicle utilizing solid propulsion. The design presented here is the solid motor propulsion concept result of the study. Whereas solid motors have been used on Mars missions in the past during descent, none have been required to reside on the surface for a period of time prior to functioning. This difference will expose the MAV to relatively extreme temperatures. Other challenges exist in designing a solid propulsion system for MAV including performance interactions with other vehicle inert masses and minimizing orbit dispersions. These considerations were examined and a preliminary CAD model of the motors was created. Along with additional pertinent inputs from other disciplines, a solid propulsion vehicle concept for the MAV is described.

Document ID
Document Type
Conference Paper
Prince, Andrew (NASA Marshall Space Flight Center Huntsville, AL, United States)
Kibbey, Timothy (NASA Marshall Space Flight Center Huntsville, AL, United States)
Karp, Ashley (Jet Propulsion Laboratory (JPL), California Institute of Technology (CalTech) Pasadena, CA, United States)
Date Acquired
September 4, 2019
Publication Date
August 19, 2019
Subject Category
Spacecraft Design, Testing and Performance
Report/Patent Number
Meeting Information
AIAA Propulsion and Energy Forum(Indianapolis, IN)
Distribution Limits
Public Use Permitted.

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NameType 20190030430.pdf STI

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