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Rocketry 101

Rocketry 101. Jeremy Young American Institute of Aeronautics and Astronautics at UCF. Jeremy Young Outreach Coordinator AIAA UCF youngj25@knights.ucf.edu Placed 1 st in FSGC Hybrid Rocket Competition . Motion of Model Rockets. Motion of Model Rockets. Motion of Model Rockets.

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Rocketry 101

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  1. Rocketry 101 Jeremy Young American Institute of Aeronautics and Astronautics at UCF

  2. Jeremy Young • Outreach Coordinator • AIAA UCF • youngj25@knights.ucf.edu • Placed 1st in FSGC Hybrid Rocket Competition

  3. Motion of Model Rockets

  4. Motion of Model Rockets

  5. Motion of Model Rockets

  6. Newton’s 3rd Law

  7. Parts of a Model Rocket

  8. Example of Solid Rocket Boosters (SRB’s)

  9. Flight Dynamics

  10. Roll Can Control Roll Cannot Control Roll

  11. 4 Forces on Airplanes and Rockets

  12. Lift from Fins

  13. Fin Shapes CLIPPED DELTA Good aerodynamic fin, used on low-drag, high-performance rockets RECTANGULAR Simple to make, least aerodynamic TRAPEZOIDAL Good aerodynamic fin for payload rockets, moves the Center of Pressure forward. SWEPT Simple to make, slightly better aerodynamics TAPERED SWEPT Moves Center of Pressure back, good design for fast moving rockets. ELLIPTICAL Best aerodynamic fin, difficult to construct.

  14. Nose Shapes Having a smooth finish on the nose is more important than shape (for rockets flying under the speed of sound).

  15. Parachute vs. Streamer The spill hole reduces oscillation and increases descent rate.

  16. Parachute with Spill Hole

  17. Streamers The best length to width radio is 10:1to create the most drag as the streamer flaps in the wind. Streamer recovery is faster than parachute recovery and reduces the recovery area.

  18. Rocket Flight Profile

  19. Measuring Altitude of Rocket x y • Altimeter – measures the changing air pressure to calculate apogee. Must have vent holes in airframe in order to operate properly. 71 tan(31.8) = y 44.02 ft = y

  20. Parts of a Motor (A8-3)

  21. Launch Controller

  22. Motor

  23. Thrust Curve

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