The phelps school critical design review 2011
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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

The Phelps SchoolCritical Design Review2011

Addressed to:

National Aeronautics and Space Administration


Topics of discussion
Topics of Discussion

  • Mission Overview

  • Changes made since PDR

  • Rocket Design

  • Altimeter Bay

  • Payload Bay

  • Scientific Experiment

  • Recovery

  • Safety Procedures


Mission overview
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


Changes made since pdr
Changes made since PDR

  • Telemetrum/Altimeter

  • Redundant black powder charge events

  • Payload bay mounting procedure/switch location

  • Fin redesign/Margin improvement








Scientific experiment execution
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


Scientific payload
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



Scientific payload1
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



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.


Scientific Payload

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




Safety procedures
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


Conclusion
Conclusion

  • Overview of Mission requirements

  • Description of rocket and subsystems

  • Any questions


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