Victorious Secret Critical Design Review Presentation Team Members Jake Broadway Tanya Hardon Crawford Leeds Dylan Reed Jannine Vela 6 October 2011 Project RoachSat

Mission Overview Effects of high altitude. Individual effects of high altitude Team hypothesis Space elevator protection. Lack of applicable information

Requirements Flow Down Requiremen t Detail ARoachSat shall ascend to approximately 30,500 meters by balloon on November 5,2011 BWeight will be no more than 850 g CRoachSat shall carry 4 cockroaches DDescend safely to ground A.1Attached to balloon with adequate pre-testing BFinal weigh-in C.1Control cockroach C.2Cockroach 1 C.3Cockroach 2 C.4Cockroach 3 C.5Cockroach 4 D.1Structural Integrity D.2Secure Attachments Level 0 1

Design Four individual containers Video feed Atmospheric Sensors Different conditions on containers Proposal Requirements Strategies to meet requirements

Parts Ordered Parts Arduino mega Humidity sensor- HIH breakout 2 Barometric Pressure sensor- BMP085 Breakout Micro SD shield 3 White LED lights Unordered PartsEstimated Shipping time Cockroaches2-3 days Cockroaches Containers5-7 days 2 micro SD cardCan be picked up at store 2 resistors1 day Cameras5-7 days

3-D Model

Functional Block Diagram

ItemCostSourceWeight (g) Digital CameraProvidedProvided in class130 HOBO Data LoggerProvidedProvided in class30 Heater KitProvidedProvided in class100 Heater Kit #2$4.59Digikey100 Flight TubeProvidedProvided in class20 USA Flag StickerProvidedProvided in class.2 SwitchesProvidedProvided in class15 Foam CoreProvidedProvided in class140 Lithium 9v Batteries (2)ProvidedProvided in class65 Lithium AA Batteries (2)ProvidedProvided in class29 Alkaline 9v Batteries (3)ProvidedProvided in class(in heater weight) Alkaline 9v Batteries (3)$6.95Target(in heater weight #2) Aluminum TapeProvidedProvided in class10 Budget

ItemCostSourceWeight (g) Hot GlueProvidedProvided in class10 Velcro InsulationProvidedProvided in class10 InsulationProvidedProvided in class21 Test Batteries$8.38Radio ShackN/A Aluminum TapeProvidedProvided in class10 Arduino Mega 2560$58.95SparkFun38 Multi-Layer InsulationProvidedProvided in class2 Humidity Sensor HIH-4030 Breakout (2) $33.90SparkFun2 Barometric Pressure Sensors-BMP085 Breakout (2) $39.90SparkFun20 Budget

Test NameSpecificsDate Structure TestsPerform Structure Tests (whip, roll, drop)Oct 6, 2011 Cockroach ContainersTest the cockroaches containers (condensation potential, strength) Oct 6, 2011 Isolation TestTest cockroaches to get base data (temperature they freeze at, livability in containers without food or water for extended periods of time) Oct 6, 2011 Cooler Test(structure, hardware, and cockroaches freezing) Oct 21, 2011 Day in the life (DITL)Testing Camera functionality, hardware functionality, ensure the entire satellite is integrated and functional. Oct 21, 2011 Integration and final testing Integrate subsystems and perform final testing Oct 19-24, 2011 Test Plan

Testing so far: Drop Test Testing to be done: Drop, Whip, & Roll Test DITL and Cold Test Isolation Test Test Plan

. Most detrimental condition. Effects at important altitudes. 12,200 meters. Survival of cockroaches Expected Results

Project Lead Assistant Design Devan Crawford Build Devan Tanya Budget Dylan Jannine Programming Crawford Jacob Hardware Jacob Crawford Structural Testing Tanya Devan Cockroach Testing Dylan Tanya Hardware Testing Jacob Dylan Integration Jannine (members are responsible for their subsystem) Team Organizational Chart ProjectLeadAssistant DesignDevanCrawford BuildDevanTanya BudgetDylanJannine ProgrammingCrawfordJacob HardwareJacobCrawford Structural Testing TanyaDevan Cockroach Testing DylanTanya Hardware Testing JacobDylan IntegrationJannine(Members are responsible for their subsystem)

. Weight. Safety. Time. Container Strength. Electrical Connections Biggest Worries