Locomotion Phase 1 Mass Caitlyn McKay Structures and Thermal Component Mass in Kg Component Mass in Kg Solar Panels 25000 Gearhead x4 00075 Battery 03000 ID: 759297
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Caitlyn McKay
Structures and ThermalLocomotion Phase
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Slide2Mass
Caitlyn McKayStructures and Thermal
ComponentMass in Kg ComponentMass in Kg Solar Panels2.5000 Gearhead (x4)0.0075Battery0.3000 Cooler11.0000Antenna0.0800 Aluminum Body2.3000Transmitter0.4200 Space Blanket-Teflon0.7000CPU1.7000 Space Blanket-Kapton0.8200Camera3.1200 Wheel (x4) 1.2207Motor (x4)0.0230 Power (Extra)1.0000Mounts (x8)0.0230
Total Mass of Rover = 29.1259 kgDimensions of Rover = .407 m x .497 m x .456 m
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Slide3Stress of Rover on Motor Shaft
StageMaximum Mass w/oFurther SupportEarth10.2kgLaunch 1.3 kgLanding 1.0kgMoon61.4 kg
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Slide4Stress of Rover on Shaft
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Slide5Stress of Rover on Shaft
Maximum mass for the shaft of .01 m diameter while on the moon:
61.4
kg
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Slide6Assumption: gravitational force=9.80665 m/s^2
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Diameter of Shaft Needed to Support Rover on Earth
Slide7Assumption: gravitational force = 9.80665 m/s^2 gravitational force = 7.5
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Diameter of Shaft Needed to Support Rover during Launch
Slide8Assumption: gravitational force = 9.80665 m/s^2 gravitational force = 10
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Diameter of Shaft Needed to Support Rover during Soft Landing
Slide9Assumption: gravitational force=9.80665/6 m/s^2
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Diameter of Shaft Needed to Support Rover on Moon
Slide10Buckling of Aluminum Body
Buckling Stress:
82,300 kg/m^2
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Slide11Energy Usage
ComponentEnergyComponentEnergy Solar Panels35 WhGearheadN/ABattery40 WhCooler20.00 WAntenna0.20 WAluminum BodyN/ATransmitter6.25 WSpace Blanket-TeflonN/ACPU5.00 WSpace Blanket-KaptonN/ACamera18.00 WWheelsN/AMotor5.40 WPower (Extra)N/AMountN/A
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Slide12Operating Temperatures
ComponentOperating Temp in KComponentOperating Temp in K Solar PanelsN/AGearhead398.15Battery233.15-333.15CoolerN/AAntenna253.15-323.15Aluminum Body218.15-383.15Transmitter253.15-323.15Space Blanket-Teflon533.1500CPUN/ASpace Blanket-Kapton4.15-673.15Camera273.15-313.15Wheels Motor398.15Power (Extra)N/AMount218.15-383.15
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Slide13References:
2008. CES EduPack2008. Citrix Client. Purdue University, West Lafayette, IN.Grandt, Alten F. Fundamentals of Structural Integrity. Hoboken, NJ: John Wiley & Sons, Inc., 2004.
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