1. Harvard-Westlake Rocketry Club SLI 2008-2009 FRR

2. Rocket Stability

3. Thrust-to-Weight Motor Selection  Thrust: 664.83 N  Weight: 82.52 N  Ratio:8.06  8.056 is well above the safe limit of 5.

4. Rail Exit Velocity  According to Rocksim, the Rail Exit Velocity is 42.5174 ft/s  42.5 ft/s is above the recommended 30-35 feet per second exit speed.

5. Parachute Size  Drogue: 24”  Descent Rate:~60 feet per second, depending  on the final payload mass  Main: 60”  Descent Rate:~25 feet per second, depending  on the final payload mass

6. Test Plans  Scale Model Testing  Complete!  Scientific Payload Testing

7. 7 Test Flight

8. Avionics and Payload  Avionics testing will be performed with Christmas Tree Lightbulbs at school  The payload will be stored in the electronics bay, simplifying set-up procedures