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Estimated mass of Curiosity Mobility System, including computers, not including power: 210 kg. Estimate based upon Lunokhod chassis mass x2, which should be roughly equiv. (+/- 40 kg) to modern systems, including computer controls and differential.
At 210 chassis+computer estimate plus 1pi shield and remote core robot, estimated mass: 2,681 kg.
Assumes 2x chassis, 1.5x computers, 1000 lb screen matrix--to be filled with chess-mix of sintered regolith by addition of bottled, salt water (est. 1275 kg), sintered from top of shield wall to base, creating a slurry-like concrete. Successive applications will build a complete wall, capable of blocking alpha, beta, gamma/x-ray and neutron radiation. Remote core insertion/shield assembly/sinterator robot: 585 kg. Robot similar to bomb-disposal Cobham tEODor, mass of 375 kg, est. 585 kg adapted for Mars use, including sinterator gear. Screen matrix composed of polyethylene glycol in a plastic which expands upon exposure to microwave heating.
EOD robot can be used to manufacture building foundations, prior to arrival of crew, following activation of reactor and creation of shield wall. RAD-hardened chips would be required for logic. During shield wall construction, jeep (Extended Curiosity Mobility System) would be parked well away from construction zone, likely 1000 meters. Robot to use wireless link to CMS chassis computers to enhance visual acuity.
You could also go with the NASA design, which would run to about 3,850 kg, using their specialized 6 wheel mobility chassis. It should approved for use sometime near 2030 for use on Mars. I think the EOD robot could be adapted, with a 120 - 150 kg sinterator unit in much less time. They have versions which can switch out from a manipulator tool to a simple steam-shovel type set-up. (If not, it wouldn't be too difficult to build...simple mechanical levers using low-wattage motors...assumed as part of the mass estimate.)
Sources: http://cdn.intechopen.com/pdfs-wm/6841.pdf
http://www.nrc.gov/about-nrc/radiation/ … asics.html
http://www.cobham.com/about-cobham/miss … tract.aspx
Robot Mobility Systems for Planetary Surface Exploration – State-of-the-Art and Future
Outlook: A Literature Survey. Aravind Seeni, i, Bernd Schäfer and Gerd Hirzinger.
Institute of Robotics and Mechatronics
German Aerospace Center (DLR)
Germany
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