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The MSA Team

The MSA Team. Team Mentor - Dr. Weinong “Wayne” Chen Team Members - Christiano Abadi - SIE • Oszkar Bajko - AME Will Betush - MSE • Autumn Carter - AME Patricia Chapman - AME • Ryan Hartman - AME Yinka Joan - AME • Jacob Lauser - EE Mayumi Mueda - AME • William Null - AME

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The MSA Team

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  1. The MSA Team • Team Mentor - Dr. Weinong “Wayne” Chen • Team Members - • Christiano Abadi - SIE•Oszkar Bajko - AME • Will Betush - MSE • Autumn Carter - AME • Patricia Chapman - AME • Ryan Hartman - AME • Yinka Joan - AME • Jacob Lauser - EE • Mayumi Mueda - AME • William Null - AME • Chris Salmon - AME

  2. MSA’s Job Description • Design, Fabricate, and Analyze a Structure that will Support and protect the Payload during launch and it’s stay on orbit • Space Allocation of All Teams’ Components • Data/Power Cable Routing • EDUCATE and TRAIN STUDENTS • Programs and Techniques used in Industry • Hands-on Experience

  3. Initial Criteria • Volume and Mass Constraints • Hitch-Hiker Specifications • As close to mass limit as possible to maximize orbital life-time • Try to maximize available volume • Constraints Imposed by Other Sub-Systems • Science (Thermal Expansion) • G.N.C. (Bending/Stiffness) • Other Teams (Operating Temperature)

  4. Hitch-Hiker Specifications • Maximum spacecraft weight 68 kg 150 lb • Maximum spacecraft height 52 cm 20.5 in • Maximum spacecraft diameter 48 cm 19 in • Canister inside diameter 50 cm 20 in • Maximum CG location 1.27 cm 0.5 in • Maximum CG location 26 cm 10.25 in • Ejection Velocity 0.6 - 1.2 mps 2 - 4 fps • To Be Determined • Maximum rotational impulse • Minimum payload resonant frequency

  5. Hitchhiker Canister

  6. Component/ Operating Survival Subsystem Temperature Temperature °C ºCDigital Electronics 0 , 50 -20 , 70Analog Electronics 0 , 40 -20 , 70Batteries 10 , 20 0 , 35Infrared Detectors -269 , -173 -269 , 35Reaction Wheels, motors 0 , 50 -20 , 70Solar Panels -100 , 125 -100 , 125

  7. Height: 18.375 in. Diagonal: 19.00 in. Target Mass (Structure Only): 6~9 kg

  8. Analysis Dynamics and Loads Predict natural frequencies, modes, damping Predict responces to forces and vibrations as function of time Stress Predict member loads and stresses to withstand Strength: single load Life: cyclic and sustained loading Thermal Predict temperatures

  9. Analysis (continued) Thermoelastics Predict thermal distortions and stresses Mass properties Predict mass, center of mass, moments of inertia Probability and Statistics Estimate likelihood of specific events from test data Determine cause and effect relationships from test data Failure Identify likely causes of mechanical failures

  10. Exploded View(For Educational Purposes Only)

  11. Contact Information • http://uasat.arizona.edu/msa • Team Leader - Bill Null • null@engr.arizona.edu - Team Meetings are held every Monday at 3:15 pm in the Aerospace & Mechanical Engineering (AME) courtyard.

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