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David Childers March 6, 2008 Structures Cost Center of Mass

David Childers March 6, 2008 Structures Cost Center of Mass. Structure Costs. 5-10% Discount when multiple tank purchased Cost reduction with lower tolerances. Structures. Center of Mass. Notes: Cm of third stage moves down when empty Result of Engine Mass: Mengine > Mpayload.

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David Childers March 6, 2008 Structures Cost Center of Mass

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  1. David ChildersMarch 6, 2008 Structures Cost Center of Mass AAE 450 Spring 2008

  2. Structure Costs • 5-10% Discount when multiple tank purchased • Cost reduction with lower tolerances AAE 450 Spring 2008 Structures

  3. Center of Mass • Notes: • Cm of third stage moves down when empty • Result of Engine Mass: • Mengine > Mpayload • Assumptions • Masses are symmetric around body axis AAE 450 Spring 2008 Structures

  4. Structure Costs Values change due to dimension distribution between stages and some cases may have incorrect values from sizing runs. AAE 450 Spring 2008 Structures

  5. Structure Costs Values change due to dimension distribution between stages and some cases may have incorrect values from sizing runs. AAE 450 Spring 2008 Structures

  6. Structure Costs Values change due to dimension distribution between stages and some cases may have incorrect values from sizing runs. AAE 450 Spring 2008 Structures

  7. Center of Mass Compiled by Everyone who resized rockets. 200g Payload AAE 450 Spring 2008 Structures

  8. Center of Mass Compiled by Everyone who resized rockets. 1kg Payload AAE 450 Spring 2008 Structures

  9. Center of Mass Compiled by Everyone who resized rockets. 5kg Payload AAE 450 Spring 2008 Structures

  10. References Paul Morissette, Gilchrist Metalfab Walter Tam of ATK Space Systems, Inc. (PSI Operations), http://www.psi-pci.com/. Mike Murphy, Spincrafthttp://www.spincraft.net/aerospace.htm. Mark Sutton, G.E. AAE 450 Spring 2008 10<#> Structures

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