1. Medium Rocket Analysis
Student 1
Student 2
Student 3
Student 4
Mention that we’re doing the medium rocket – this isn’t really emphasized in the other slides.

2. Data Collection RDAS (Rocket Data Acquisition System) with 8 ADCs
Telemetry: 10 Hz, Onboard: 200 Hz
Onboard camera with transmitter
Strain Gauges
IMU: 3 Accelerometers, 3 Rate Gyrometers
Pitot tube
Thermistors
Mention limitations of data acquisition system.

3. Launch Preparation Configure RDAS Check telemetry and onboard video
Prepare recovery system
Load rocket motor
Install Igniter
Launch

4. Numerical Flight Model: Theory
Implicit Euler method

5. Numerical Flight Model: Results
Medium Rocket on G67R Motor

6. Medium Rocket on G67R Motor
Rocksim Simulation
Medium Rocket on G67R Motor

7. Trajectory Analysis: Theory
Inertial Measurement Unit:
3 accelerometers
3 rate gyrometers
Translation from local to global coordinates through rotation matrix
Acceleration integrated twice to get position

8. Trajectory Analysis: Results
G67R motor
Z-axis rotation
Offset issues
Scaling issues

9. Trajectory Analysis: Summary
Motor
Time to Apogee
Apogee Altitude
G67R
Numerical Model
9.9 s
410 m
Rocksim
8.2 s
288 m
IMU
7.1 s
323 m
G69N
12.1 s
601 m
9.8 s
416 m
8.5 s
434 m
G79W
7.9 s
220 m
8.3 s
298 m
7.0 s
254 m

10. Vibration Analysis: Theory
Rocket modeled as free-free beam
E = Young’s modulus
Iz = Second moment
βnL depends on boundary condition
Predicted 98 Hz, 270 Hz, 530 Hz

11. Vibration Analysis: Results
FIX AXIS LABELS IF TIME
Natural frequencies: 41±3 Hz, 180±1 Hz, 273±9 Hz

12. Vibration Analysis: Results
1st mode:
2nd mode:

13. Pressure and Temperature

14. Pressure and Temperature

15. Field Experience Data Acquisition Experimental Design Modeling
Converting sensor inputs into real world data
Non-ideal sensor performance
Experimental Design
Modeling

16. Questions?

17. Questions?

18. Questions?