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The Phelps School Critical Design Review 2011

The Phelps School Critical Design Review 2011. Addressed to: National Aeronautics and Space Administration. Topics of Discussion. Mission Overview Changes made since PDR Rocket Design Altimeter Bay Payload Bay Scientific Experiment Recovery Safety Procedures. Mission Overview.

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The Phelps School Critical Design Review 2011

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  1. The Phelps SchoolCritical Design Review2011 Addressed to: National Aeronautics and Space Administration

  2. Topics of Discussion • Mission Overview • Changes made since PDR • Rocket Design • Altimeter Bay • Payload Bay • Scientific Experiment • Recovery • Safety Procedures

  3. Mission Overview • Form a scientific experiment that will take place 5,280 ft above ground • Design, build, and test a rocket capable of performing the scientific experiment at 5,280 ft • Design, build, and test a scaled model of the full size rocket

  4. Changes made since PDR • Telemetrum/Altimeter • Redundant black powder charge events • Payload bay mounting procedure/switch location • Fin redesign/Margin improvement

  5. Rocket Dimensions

  6. Rocksim

  7. Fin Construction Subsystem

  8. Motor Compartment

  9. Altimeter Bay

  10. Altimeter Bay Wiring

  11. Scientific Experiment Execution • Design a rocket that can house a scientific payload • Design and integrate a scientific payload that can measure visible light intensity levels during flight • Initial data will be taken from the ground during preflight to provide experimental control

  12. Scientific Payload • Each visible light sensor is constructed using a board and mounting hardware • The circuit board will be mounted on the center rails with two-conductor coaxial wires connecting the photodiode to the PCB

  13. Scientific Payload Bay

  14. Scientific Payload • Two Solar Light model PMA 1140 visible light sensors • Two Omega OM SC data loggers • Data will be collected pre-flight, during flight and retrieved post flight • Sample rate will be .88 seconds for two hours

  15. Payload Bay Wiring

  16. PCB PCB Scientific Payload The VLI photodiode is arranged such that it is oriented to view at a 45 degree angle with respect to the main axis of the payload assembly.

  17. Scientific Payload Sensitivity of the selected photodiode. The circuit will be configured for a mid-range reading at nominal outdoor 1 sun conditions.

  18. Recovery Subsystem

  19. Flight Events Elevation

  20. Safety Procedures • PPE shall be supplied and used at all times during construction, testing, and pre & post flight preparation • Direct supervision of student is required at all times • Only certified personnel will assemble and handle high powered engines • All NRA/Tripoli Safety Procedures will be followed

  21. Conclusion • Overview of Mission requirements • Description of rocket and subsystems • Any questions

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