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Project X pedition. Spacecraft Senior Design – Spring 2009. http://eng.purdue.edu/jump/25cc30. Motivation: Commercial Lunar Missions. Small Payload. Resupply Lunar Base. Project X pedition Requirements. Land on the Moon Move 500 meters Transmit HD pictures and video to Earth - PowerPoint PPT Presentation
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Project Xpedition
Spacecraft Senior Design – Spring 2009http://eng.purdue.edu/jump/25cc30
Motivation:Commercial Lunar Missions
Resupply Lunar BaseSmall Payload
Project Xpedition 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
Payloads
•100 g•10 kg•1700 kg
Mission Phases
•Earth Launch•Lunar Transfer•Lunar Descent•Locomotion 500 m
Earth Launch
Dnepr-1
110 ft
160 ft
Falcon - 9
180 ft
Earth Launch• Site: Baikonur Cosmodrome, Kazakhstan• Cost: $5M
250 Mile Parking Orbit
Lunar LanderOrbital Transfer
Vehicle
880 lbs in Low Earth Orbit
Solar Arrays unfold
Attitude Control
InternalView
Hall Thruster produces 80
mN of thrust
8’
Power
CommunicationS-Band Antenna
2 Solar ArraysLithium-Ion Battery
Attitude
Chemical Thrusters
Sun SensorStar Sensor
Reaction Wheels
Lunar Transfer
•25 km parking orbit•2 hour orbital period
•Lander is self sufficient•160 kg Lander mass •Half of mass is propellant
Space Balls Housing
Communication Antenna and Motor
Solar Panel
Attitude Control Thrusters
RadiatorAttitude Sensors
CPU
H2O2 Tank
Helium Tank
Radial Flow Hybrid Engine
3 ft.
Camera
Surveyor 3
Apollo 12
40km
Landing Site: Mare Cognitum
Mission Requirements Land on Moon Move Payload 500 m Take Picture
Performing system analysis
Lexan Shell
Camera
CPU
Dust Removal Vibration Motor
Battery
100g Payload
Main Axel and Motor Housing
Communications Transceiver
Mission Requirements
1. Land on Moon
2. Move 500m
3. Take PictureTaking Photo of LanderRemoving Dust
All Systems Are GO!Avoiding Obstacle
Cruise Speed: 3.2 mphMinimum Turning Radius: 2.5 in
10 kg Lunar Lander
230 lbs Lander270 lbs Propellant500 lbs Total
Mission Requirements
1. Land on Moon
2. Move 500m
3. Take Picture
4. Survive Night
Hop EngineThrust: 45 lbsBurn Time: 135 sec10 kg Payload
500m
Record Video
Mission Requirements
1. Land on Moon
2. Move 500m
3. Take Picture
4. Survive Night
Completed lunar descent• Full stop• Begin locomotion
Attitude Thrusters
16 ft
6 ft
300 ft
Main EngineAvg. Thrust: 230 lbsBurn time: 60 s
Large Payload
Mission Requirements:1. Move 500 meters2. Land on moon3. Resupply base
$27MCost
- $22M Purse
= $5MNet Mission Cost
100 g 10 kg 1743 kg0
50
100
150
200
250
Mission Cost, $M in 2009 Dollars
Mission Cost
$27 Million72% Success
$30 Million72% Success
$223 Million92% Success
Cost Per Kilogram$271Million
$3 Million
$130k
Recommendations:1. Balance reliability and cost2. Electric Propulsion for Lunar transfer3. Soft land on Lunar surface
Google Lunar X PRIZE:1. $27M mission accomplished for $5M2. Many viable locomotion methods3. Potential to open commercial market
Results
Question & Answer
http://eng.purdue.edu/jump/25cc30
Project Xpedition