1. AAE450 Senior Spacecraft Design Mark Cunningham Week 6: February 22 nd, 2007 Communications Team, Comm. SATs CAD, TV/ET/MT Groups Communication Satellites Mass Estimates, Communication System Mass Power Volume Summery

2. AAE450 Senior Spacecraft Design Communication System Mass, Power, Volume Summery TV –*Gimbaled 4m dish: 115kg, 5kW, 1.35m 3 TC –*Storable gimbaled 1m dish: 1.8kg, 1kW,.021m 3 –Low gain antenna for takeoff and landing: ? HAB –1m dish: 1.8kg, 1kW,.021m 3 MMR and RMR –*Gimbaled 1m dish: 1.8kg, 1kW,.021m 3 Gangale Comm Satellites –Two 7m dishes: 1220kg, 15.75kW, 14.4m 3 Primary Mars Comm Satellite –7m dish, two 2m dishes: 638kg, 1kW, 7.5 Secondary Mars Comm Satellites –Two 7m dishes: 1220kg, 1kW, 14.4m 3 Note: dish sizes are diameters*numbers will increase slightly

3. AAE450 Senior Spacecraft Design Communication Satellites Mass Estimates Name diameters (m)mass (mt) TDRS-H-I53.2 TDRS-1-74.92.24 Kondor62.6 List of comparable 2 dish communications satellites Our Gangale and Mars communications satellites will probably be around 3.5-4 mt

4. AAE450 Senior Spacecraft Design Back Up Slides

5. AAE450 Senior Spacecraft Design CAD to find Volume

6. AAE450 Senior Spacecraft Design Dish Masses Dish Diameters (m)Dish Mass (kg) 11.7871 214.2968 348.0815 4114.034 5222.7918 6384.9924 7611.3584 8912.272 Deployed Dish Volume (m^3) 0.021 0.168 0.565 1.34 2.618 4.524 7.184 10.72

7. AAE450 Senior Spacecraft Design References Human Space Flight –Larson and Pranke –Chapter 27 http://www.gsfc.nasa.gov/gsfc/earth/pictur es/20021127tdrs_j/tdrs_jmedia.htm http://www.astronautix.com/craft/tdrs.htm http://www.astronautix.com/craft/kondor.ht m