The Freyr Project Alexander C. Reeves 2015 FREYR This report is dedicated to Mr. Thomas Reeves, Jr., who taught me to be thorough and take it all seri- ously. The Freyr Project is a 2015 submission to the NASA Space Settlement Contest, sponsored by the NASA Ames Research Center and the National Space Society. This report was written exclusively by Alexander Reeves from Greenhills School in Ann Arbor, Michigan, USA. References are provided with endnotes. For the LATEX source, please contact <[email protected]>. Submitted to the 12th Grade Individual Category. Reeves i FREYR Contents 0.0 Abbreviations and Terminology . .1 0.1 Executive Summary . .2 0.1.1 Report Structure . .3 0.1.2 Acknowledgements . .3 1 Freyr 4 1.1 Background . .5 1.1.1 Naming . .8 1.1.2 Purpose . .9 1.1.3 Positioning . 11 1.1.4 Power Supply . 13 1.1.5 Propulsion . 19 1.2 Materials Analysis . 20 1.2.1 Structural . 20 1.2.2 Radiation Shielding . 21 1.2.3 Utility . 24 1.2.4 Heat Rejection . 24 1.3 Design Characteristics . 28 1.3.1 Settlement Shapes Analysis . 28 1.3.2 Central Hub . 30 1.3.3 Tori . 32 1.3.4 Industrial Torus . 32 1.3.5 Storage Torus . 35 1.3.6 Life Support/Habitation Torus . 38 1.3.7 Rotational \Gravity" . 41 1.3.8 Non-Rotating Module . 43 1.3.9 Overall Structure and Diagrams . 49 1.4 Habitation . 52 1.4.1 Earth Normal . 52 1.4.2 Human Living Quarters . 56 1.4.3 Power . 58 1.4.4 Air . 61 1.4.5 Water . 62 1.4.6 Food.............................................. 64 1.4.7 Compartmentalization . 70 1.4.8 Medical Facilities . 72 1.4.9 Emergency Procedures . 78 1.5 Community . 81 ii Reeves FREYR 1.5.1 Age Demographics . 81 1.5.2 Population Cross-Section . 83 1.5.3 School . 85 1.5.4 Social Opportunities . 87 1.5.5 Recreation . 88 1.5.6 Entertainment . 89 1.5.7 Computing . 90 1.6 Administration . 95 1.6.1 Divisions of Government . 95 1.6.2 Civilian Government . 96 1.6.3 Station Operations . 99 1.6.4 Money . 100 1.7 Industry . 104 1.7.1 Variable Gravity . 105 1.7.2 Safety . 105 1.7.3 Types of Industry . 107 1.7.4 Helium-3 Production . 108 1.7.5 Volatiles Production . 112 1.7.6 Metal Processing . 113 1.7.7 Ceramics . 118 1.7.8 Perfect Crystals . 120 1.7.9 Spacecraft Fabrication . 121 1.8 Communications . 129 1.8.1 Comsat Network . 129 1.8.2 With Earth . 130 1.8.3 With Lunar Facilities . 130 1.8.4 With Vehicles . 131 1.8.5 With Other Planets and Stations . 132 1.8.6 Bandwidth . 133 1.9 Maintenance . 135 1.9.1 Personnel . 135 1.9.2 EVA Suits . 136 1.9.3 External Maintenance Logistics . 138 2 Support Systems 141 2.1 Lunar Structures . 142 2.1.1 ISRU Units . 143 2.1.2 Water Processing . 144 2.1.3 Metal Refining . 145 2.1.4 Helium-3 Extraction . 146 2.2 Additional Vessels . 147 2.2.1 ETVs . 147 2.2.2 LTVs . 153 2.2.3 Repair Drones . 157 2.2.4 Why not VASIMR? . 158 2.3 Earth Launched . 160 2.3.1 Ultra-Heavy Lift Candidates . ..