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Harvard-Westlake Rocketry Club

Harvard-Westlake Rocketry Club. SLI 2008-2009 FRR. Rocket Stability. 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. Rail Exit Velocity. According to Rocksim, the Rail Exit Velocity is 42.5174 ft/s

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Harvard-Westlake Rocketry Club

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  1. Harvard-WestlakeRocketry 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. 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

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