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Flight Readiness Review

Flight Readiness Review. NASA University Student Launch Initiative University of Nebraska–Lincoln 2012-2013. Team Overview. Mission Build a launch vehicle to reach an 5,280 feet altitude Use a dual-deployment recovery system Deploy a payload at 1,000 feet

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Flight Readiness Review

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  1. Flight Readiness Review NASA University Student Launch Initiative University of Nebraska–Lincoln 2012-2013

  2. Team Overview • Mission • Build a launch vehicle to reach an 5,280 feet altitude • Use a dual-deployment recovery system • Deploy a payload at 1,000 feet • Recover all components in a reusable condition

  3. Critical Design Discussion

  4. Vehicle Overview

  5. Key Feature • Aluminum AV bay

  6. Stability Characteristics • OpenRocket Model • Will need to be verified • Mass (with motor): 32.8 lbs • CG: 68.3 inches • CP: 78.7 inches

  7. Launch Characteristics • Candidate Motors • 75mm diameter • AMW L900RR-P • Simulation Parameters • 10 foot guide rail • Rail velocity: 43.32 feet/sec *Needs Review • Thrust-to-weight ratio: 8.33:1 • Exit Rail Velocity 47.57 (ft/s)

  8. Mass Statement • AV Bay

  9. Mass Statement Nose Cone Body Tube

  10. Drift analysis

  11. Kinetic Energy

  12. Structural Test • Structural test • 150+ lbs man • No bending

  13. Test Launch

  14. Soon to come

  15. Recovery system Tests

  16. Functional Requirements

  17. Functional Requirements

  18. The Payload, R2D2

  19. R2D2 • Solid Works renderings Top view Profile view

  20. R2D2 Electronics • Components • Arduino • 2.4Ghz • Transceiver • GPS Shield +GPS Module • Brushless Speed Controller • Servo

  21. Final Payload Design In our mission, the desired direction will be a GPS transmitter on the ground with the receiver in the probe. The goal is to have the GPS guide the probe using the systems on board to “Home base” which will be the launch pad. The scientific significance of the R2D2 is to introduce a convenience factor into recovery of rocket parts that have implicated the same hardware as this UAV will have.

  22. Assembly

  23. Nosecone • Characteristics • Von Kármán (LD-Haack) • 5.5:1 Fineness • Communications • BRB 900 GPS Transmitter • Antenna

  24. Transition Assembly • Components • 2 6-inch bulkheads • One small step for man • One 5.5-inch diameter polycarbonate plate • One GoPro camera • Two eyebolts • Material • Alumium case • Dimensions • Length – 8”

  25. Booster Assembly • Material • Blue tube wrapped in 4.0 Oz fiberglass • Dimensions • Length – 48” • 5.5 inch diameter

  26. Fins • Material • G-10 Fiberglass • Dimensions • Total height 14 inch • .138 in thick

  27. Avionics • Components • PerfectfliteStrattoLogger • Featherweight Raven • Concept of Operation • Activated by external key switches • Primary charge fired by both altimeters • Secondary charge fires 5 seconds later by Raven

  28. Recovery • Mounting • Nosecone Tethered to Transition • Transition Tethered to Booster • Forged U-Bolts • Concept of Operations • Drogue @ Apogee • Main @ 1,000-Feet • Main parachute 84” in diameter, 162” long • Utilizing the tetherfor dual deployment • Drogue chute 36” in diameter, X-form • 52” and 30” of shock chord, 1 inch tubular nylon • Nomex wadding, 24” length

  29. Project Plan

  30. Outreach

  31. Outreach • We believe that it is very important for young minds to experience curiosity. The kind of curiosity that makes you asks questions and solves problems. We have begun working with various community youth organizations and STEM related youth programs with the goal of reaching a diverse group of young students.

  32. Outreach Direct: 656 Indirect: 2,684

  33. Questions?

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