1. Project X pedition Spacecraft Senior Design – Spring 2009 http://eng.purdue.edu/jump/25cc30

3. Motivation: Commercial Lunar Missions Resupply Lunar BaseSmall Payload

4. Project X pedition Requirements Land on the Moon Move 500 meters Transmit HD pictures and video to Earth Survive the Lunar Night Minimize cost with 90% reliability Project Xpedition

5. Payloads 100 g 10 kg 1700 kg

6. Mission Phases Earth Launch Lunar Transfer Lunar Descent Locomotion 500 m

7. Earth Launch 110 ft 180 ft 160 ft Dnepr - 1Falcon - 9

8. Earth Launch Site: Baikonur Cosmodrome, Kazakhstan Cost: $4.8M 250 Mile Parking Orbit

9. Lander Orbital Transfer Vehicle

10. 880 lbs injected to Low Earth Orbit Solar Arrays unfold Attitude Control Internal View Hall Thruster produces 80 mN of thrust

11. Power Communication S-Band Antenna 2 Solar Arrays Lithium-Ion Battery Attitude Chemical Thrusters Sun Sensor Star Sensor Reaction Wheels Lunar Transfer

12. 25 km parking orbit 2 hour orbital period Lander is self sufficient 160 kg Lander mass Half of mass is propellant

13. Space Balls Housing Communication Antenna and Motor Solar Panel Attitude Control Thrusters Radiator Attitude Sensors CPU H 2 O 2 Tank Helium Tank Radial Flow Hybrid Engine 3 ft. Camera

14. Surveyor 3 Apollo 12 40km Landing Site: Mare Cognitum

15. Mission Requirements Land on Moon Move Payload 500 m Take Picture

16. New lander picture, Size, (scaled) location, same for locomotion, text boxes/ what text do I use, balls behind leg?,

17. Performing system analysis New lander picture, Size, (scaled) location, same for locomotion, text boxes/ what text do I use, balls behind leg?, Lexan Outer Shell Camera CPU Dust Removing Vibrating Motor Battery 100g Payload Main Axle and Motor Housing Communications Transceiver

18. Mission Requirements 1.Land on Moon 2.Move 500m 3.Take Picture Taking Photo of Lander Removing Dust All Systems Are GO! Avoiding Obstacle Cruise Speed: 3.2 mph Minimum Turning Radius: 2.5 in

19. 10 kg Lunar Lander 230 lbs Lander 270 lbs Propellant 500 lbs Total Mission Requirements 1.Land on Moon 2.Move 500m 3.Take Picture 4. Survive Night Hop Engine Thrust: 45 lbs Burn Time: 135 sec 10 kg Payload

20. 500m Record Video Mission Requirements 1.Land on Moon 2.Move 500m 3.Take Picture 4.Survive Night

21. Completed lunar descent Full stop Begin locomotion Attitude Thrusters 16 ft 6 ft 300 ft Main Engine Avg. Thrust: 230 lbs Burn time: 60 s Large Payload

22. Mission Requirements: 1.Move 500 meters 2.Land on moon 3.Resupply base

23. $27M Cost - $22M Purse = $5M Net Mission Cost Cost Per Kilogram ($M) Mission Cost

24. Recommendations: 1. Balance reliability and cost 2. Electric Propulsion for Lunar transfer 3. Soft land on Lunar surface Google Lunar X PRIZE: 1. $27M mission accomplished for $5M 2. Many viable locomotion methods 3. Potential to open commercial market Results

25. Question & Answer http://eng.purdue.edu/jump/25cc30 Project Xpedition