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Preliminary Design Review

Preliminary Design 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 1,500 feet

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Preliminary Design Review

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  1. Preliminary Design 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 1,500 feet • Recover all components in a relaunchable condition

  3. Preliminary Design Discussion

  4. Vehicle Overview

  5. Kinetic Energy Landing Velocity Terminal Velocity Ejection Charge is set for 1500ft Ejection Charge is set for 1000ft

  6. Stability Characteristics • OpenRocket Model • Will need to be verified • Mass (with motor): 35.9 lbs • CG: 66.9 inches • CP: 77 inches

  7. Flight Simulation

  8. Plans for Vehicle Safety

  9. Plans for Vehicle Safety

  10. Plans for Vehicle Safety

  11. Plans for Vehicle Safety

  12. Launch Characteristics • Candidate Motors • 75mm diameter • Aerotech L1520T-P • Simulation Parameters • 10 foot guide rail • Rail velocity: 43.32 feet/sec • Thrust-to-weight ratio: 10.72

  13. Launch Vehicle Verification

  14. System Overview

  15. Assembly

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

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

  18. 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

  19. Recovery • Mounting • Nosecone Tethered to Transition • Transition Tethered to Booster • Forged U-Bolts • Concept of Operations • Drogue @ Apogee • Main @ 1,500-Feet

  20. Booster Assembly • Components • 98mm MMT + Retaining Ring • Fins x 3 • Coupler • Material • Carbon Fiber • Fiberglass (8oz) • Dimensions • Length 50 inches

  21. Fins • Material • 1/8-inch G10 fiberglass • Fiberglass • Vinyl Ester Resin • Construction • Laser cutting • Hand sanding • Vacuum Bagging • Assembly • Mounting to MMT • Bond to booster • Tip to tip

  22. Functional Requirements

  23. Functional Requirements

  24. Baseline Payload Design

  25. Baseline Payload Design

  26. Activity Plans

  27. Schedule

  28. Budget

  29. Outreach • Previous Activities • Engineering Week • Astronomy Day • Lockheed Martin Space Day • Current Collaboration • Water rocketry • Hosting Robotic Competition • Connect a Million Minds

  30. Questions?

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