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Steve Kassab Week 2: February 1st, 2007

Steve Kassab Week 2: February 1st, 2007. Power Group RTGs, Fuel Cells ISPP, RMR, Construction Crane CAD Group Today’s Topics: Fuel Cells for the TV and the RMR. Fuel Cell Power System. PEM Fuel Cells – 25kW each Specific Power ~ 1kW/kg Produces 600kg H 2 O/day

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Steve Kassab Week 2: February 1st, 2007

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  1. Steve KassabWeek 2: February 1st, 2007 Power GroupRTGs, Fuel Cells ISPP, RMR, Construction Crane CAD Group Today’s Topics: Fuel Cells for the TV and the RMR

  2. Fuel Cell Power System • PEM Fuel Cells – 25kW each • Specific Power ~ 1kW/kg • Produces 600kg H2O/day • We only need 12kg/day for human factors • 588 kg/day of excess H2O can be regenerated into H2 and O2 to reduce fuel costs. • Regenerative Fuel Cell at 70% efficiency will save 450 metric tons • Final Fuel mass with regeneration comes to 307 metric tons • STILL INFEASIBLE

  3. ‘Rabid Mongoose Rover’ Preliminary Specs 76 metric tons from Solid Geometry (2700kg/m3) ~10 metric ton tank capacity ~150 revolutions of the trencher for a full payload of water with 30% water by volume Power ~50kW to run the machinery Radiated heat from power generation to evaporate the water Regolith Mining Rover (RMR)

  4. Water Production of Fuel Cellusing Current Technology Calculations for specific power of .5kW/kg

  5. “Rabid Mongoose Rover”

  6. Rabid Mongoose Rover • 10,000kWe-hr of heat needed to evaporate the water in the regolith • More Specs ~.01m3 per scoop*24 scoops = .24 m3 per revolution

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