System Architecture Tools and Assumptions
Reeves, David M.
Scher, Michael D.
Thomas, Paige D.
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Discussion of various system architecture tools and assumptions available to modify existing architectures for new requirements and mission objectives. This study started from proven Apollo concept and adjusted it for new requirements and mission objectives. New technologies were included to decrease size and cost. A crew size trade study is presented to demonstrate how mass size, propulsion size, and trajectory are calculated for an unmanned and up to four man crew in lunar exploration missions