1. Team: Hang Seven Conceptual Design Review Sierra Williams Ethan Hollenbach Rebecca Lidvall Nikhil Desai Paul Smith Lucas Migliorini Chase Goodman Abbigail Caballero

2. Mission Overview To test the effectiveness of aluminum and carbon fiber on reducing radiation levels To test the effectiveness of aluminum and carbon fiber on reducing radiation levels Radiation levels double at 12,000m above ground Radiation levels double at 12,000m above ground Hypothesis: Both materials will lower radiation exposure to nonlethal levels, but aluminum will be block more radiation Hypothesis: Both materials will lower radiation exposure to nonlethal levels, but aluminum will be block more radiation " Radiation Hazard at Aircraft Altitudes." Radiation Hazard at Aircraft Altitudes. N.p., n.d. Web. 28 Sept. 2012..

3. Mission Overview Continued This mission is being conducted to show what materials should be used in aircraft to maintain a safe environment for humans This mission is being conducted to show what materials should be used in aircraft to maintain a safe environment for humans Carbon fiber and aluminum are commonly used on aircrafts Carbon fiber and aluminum are commonly used on aircrafts "Appendix C/Materials Used in Aircraft." Federal Aviation Administration Fire Safety. Federal Aviation Administration, n.d. Web. 28 Sept. 2012..

4. Design (Internal View) *All measurements in millimeters

5. Design (Side View) *All measurements in millimeters

6. Functional Block Diagram Geiger Counter Switch 3 Arduino Board 2 AA Batteries Geiger Counter Switch 4 2 AA Batteries Geiger Counter Switch 5 2 AA Batteries Camera Lithium-ion Battery Switch 1 1 GB SD Card Heater Switch 2 3x9V Batteries

7. Design Specifications Design Structure Foam core Hexagonal Centripetal force Equipment Arduino Uno To tell the machinery in the Balloon Sat what to do Collection of Data Control of heater and Geiger counter HOBO Storage of Data Sensors for humidity, condensation, and temperature Camera Canon SD780 to capture the majestic earth in pictures and videos

8. Management Name: Abbigail Caballero Nikhil Desai Chase Goodman Ethan Hollenbach Rebecca Lidvall Lucas Migliorini Paul Smith Sierra Williams Role: System Engineer Software Modification and Camera Programmer Thermal Materials Acquisition and Budget Manufacturing and C&DH Science and Ground Ops Structural Design and Power Project Manager and Systems Engineer

9. Schedule

10. Schedule Continued

11. Budget Budget Budget Includes items such as Geiger Counter Tubes and Disposable Cameras Includes items such as Geiger Counter Tubes and Disposable Cameras Estimated 1024g Estimated 1024g Total of $127.50 Total of $127.50

12. Biggest Worries Hardware Hardware Sensors failure Sensors failure Electrical failure Electrical failure Overheating Overheating Faulty programming Faulty programming Structural Structural The G’s after the balloon pop The G’s after the balloon pop Integrity of the structure Integrity of the structure Condensation inside the BalloonSat Condensation inside the BalloonSat Temperature Temperature