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Critical Design Review

Critical Design Review. Windward Community College University of Hawaii 2009-2010. Project: Leo Hano. Initial design criteria. Build a Rocket to be launched to an altitude of 5280 ft. (1 mile) Rocket must carry a scientific payload Rocket must return safely. Flight Profile. Boost Phase

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Critical Design Review

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  1. Critical Design Review Windward Community College University of Hawaii 2009-2010

  2. Project: Leo Hano

  3. Initial design criteria • Build a Rocket to be launched to an altitude of 5280 ft. (1 mile) • Rocket must carry a scientific payload • Rocket must return safely

  4. Flight Profile Boost Phase Coast Phase Apogee Drogue Deployed Rapid Decent Phase 60 ft/sec Main Decent Phase ~20 ft/sec

  5. Rocket Design Details • Length: 84” • Diameter: 4” • Weight: 13.9 lbs., unloaded • Weight: ~20 lbs., on the pad • Materials: G10 Fiberglass • Recovery: Dual Deployment, electronic • Propulsion: 75mm Aerotech K560W

  6. Characteristics • Electronics in nose cone • Air brake system • Three fin design

  7. Nosecone Detail

  8. Payload Detail

  9. Avionics Detail

  10. Booster Detail

  11. Drag Shoe Detail

  12. 3/8 Scale Drag Shoe

  13. CP Calculation

  14. RockSim Data

  15. RockSim Data

  16. RockSim Results

  17. RockSim Results

  18. Recovery Details Dual Deployment Primary Controller: G-Wiz HCX Flight Computer, Dual 9V Lithium batteries Auxiliary Controller: Perfect Flight MAWD, 9v Lithium Drogue Chute: 36” Deployed at Apogee Main Chute: 96” Deployed at 500’ Drogue Decent rate: 60ft/sec Drogue Charge: 3g Black Powder Main Decent rate: ~20ft/sec Main Charge: 4g Black Powder

  19. Mynah Bird 2 CanSat Honolulu Community College CanSat Project

  20. Type of mission Measures and stores the following data in EEPROM • Current time • Acceleration • Internal air temperature (using 2 sensors) • External air temperature (using 2 sensors) • Air pressure

  21. Parts list and cost Note: Not included in this list are the resistors, capacitors, LED, batteries, switches and wire

  22. 3/8 Scale Proof –of -Concept

  23. Flight Testing

  24. pau

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