Prof dava Newman 16. 423J/HST515J Space Biomedical Engineering and Life Support Nuclear Thermal Propulsion ght Element 2011 Cargo Lander 2011 ERV 014 Crew Lander DRM Bimodal DRM Bimodal DRMBimo DRM Bimodal 65.0 200.9 Surface/In-Space 29.1 28.4 Transportation 100.7 &clor LOX) DRM 68673.6 73.4 79.0 2187 231.6 13461386147512461375140741964039 2011 ERV mission using"bimodal"NTRs for MOC and TEI is lighter than DRM by -23 I and eliminates DDT&E and osts for LOX/CH TEI stage, also recurring cost for 30 kWe PVA and aerobrake. Bimodal"NTR TMI stag bility to the ERv, Crew and Cargo lander missions. Also adal stage refrigeration heat rejection systems can be used 5t of"seed LH, an heat" from 15 kWe DIPs
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Prof Dava Newman 16.423J/HST515J Space Biomedical Er ng and Life Support Magnum Launch vehicle 92ft cyl x 25 ft I.D. Payload/ Stage Fwd Booster attach NTR Stage and aerobraked Mars payload
Prof. Dava Newman 16.423J/HST515J Space Biomedical Engineering and Life Support / Magnum Launch Vehicle Liquid Flyback Booster (2) Payload Fairing 92 ft cyl x 25 ft I.D. Circularization Stage LO2 Tank LH2 Tank RS 68 Engines (2) Payload Stage Adapter Fwd Booster Attach Aft Booster Attach Thrust Structure NTR stage and aerobraked Mars payload 7