Harvard-Westlake Rocketry Club SLI FRR

Rocket Stability

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

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

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

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

7 Test Flight

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