AAE450 Spring 2009 UHF Lander-Rover COM Systems Toy Ball Shell Structure Communications Group Trans Lunar Phase Group Toy Ball Analysis Lander CATIA Design Joshua Elmshaeuser Communications 1

AAE450 Spring 2009 UHF Lander-Rover COM System UHF Systems Antenna - $500 - Mass.10 kg - Operating Temperature: -40°C to 80°C Transceiver - $20,000 - Mass:.21 kgPower: 6 Watts - Dimensions:.083 x.070 x Operating Temperature: -20°C to 60°C Replaces S-Band Lander to Rover systems Lighter, cheaper, more effective for short range Joshua Elmshaeuser Communications 2

AAE450 Spring 2009 Toy Ball Shell Structure  Efforts to make it lighter, faster, cheaper, than rover  High Strength and Impact Resistance  Polycarbonate (Lexan) –Provides at least.05 kg mass savings of over the rover structure –$6 per pound –Will withstand 10g loading during launch with 1.5 safety factor –Looking at thickness of 4 millimeters –Clear material allows for storage of camera inside Toy Ball –Maximum Operational Temperature: 475 °F  Used in Nalgene Bottles, Apollo Helmet Eyeshades Joshua Elmshaeuser Communications 3

AAE450 Spring 2009 S-Band vs. UHF Analysis Joshua Elmshaeuser Communications 4 Total Mass(kg)Total Cost OTV (Org)0.08kg$20, OTV (Mod)0kg$0.00 Difference0.08kg$20, LANDER (Org)2.3kg$278, LANDER (Mod)1.339kg$594, Difference0.961kg-$316, ROVER (Org)1.25kg$164, ROVER (Mod)0.51kg$70, Difference0.74kg$93, ALL COM (Org)w/o RAD750$462,000.00ALL COM (Org) w/ RAD750$832, ALL COM (Mod)$665, Difference-$203,000.00$167,000.00

AAE450 Spring 2009 S-Band vs. UHF Analysis COMMUNICATION SYSTEMS (ORIGINAL DESIGN) QuantityMass(kg)Total Mass(kg)Dimensions(m)Power(W)Dissapation (W)Cost ($)Total Cost ($) OTV SSTL Patch Antenna10.08kg0.08kg0.082 X X 0.020mna $20, Subtotals0.08kg$20, LANDER SSTL Patch Antenna20.08kg0.16kg0.082 X X 0.020mna $20,000.00$40, RX s20.2kg0.4kg0.035 X X 0.025m1.5W $30,000.00$60, TX kg0.4kg0.068 X X 0.015m34W31W$24,000.00$48, CSC kg1.14kg0.150 X X 0.25m0.5W $40,000.00$80, IFC kg0.2kg0.180 X X 0.025m0.3W $50, Subtotals2.3kg$278, ROVER SSTL Patch Antenna10.08kg0.08kg0.082 X X 0.020mna $20, RX s10.2kg0.2kg0.035 X X 0.025m1.5W $30, TX kg0.2kg0.068 X X 0.015m1W $24, CSC kg0.57kg0.150 X X 0.25m0.5W $40, IFC kg0.2kg0.180 X X 0.025m0.3W $50, Subtotals1.25kg$164, TOTAL COST:$462, Joshua Elmshaeuser Communications 5

AAE450 Spring 2009 S-Band vs. UHF Analysis Joshua Elmshaeuser Communications 6 COMMUNICATION SYSTEMS (MODIFIED DESIGN) QuantityMass(kg)Total Mass(kg)Dimensions(m)Power(W)Dissapation (W)Cost ($)Total Cost ($) OTV Subtotals LANDER SSTL Patch Antenna10.08kg0.08kg0.082 X X 0.020mna $20, RX s10.2kg0.2kg0.035 X X 0.025m1.5W $30, TX kg0.2kg0.068 X X 0.015m34W31W$24, BAE RAD U10.549g kg0.100 X 0.160m3.3V10W$500, ANT kg0.1kg-mna $ TR kg0.21kg.083 X.073 X.019m??$20, Subtotals1.339kg$594, ROVER ANT kg0.1kg-mna $ TR kg0.21kg.083 X.073 X.019m??$20, IFC kg0.2kg0.180 X X 0.025m0.3W $50, Subtotals0.51kg$70, TOTAL COST:$665,000.00

AAE450 Spring 2009 Toy Ball Structure Analysis Joshua Elmshaeuser Communications 7

AAE450 Spring 2009 Rover/Toy Ball COM Analysis Joshua Elmshaeuser Communications 8