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Principles of Rocketry

Principles of Rocketry. Gareth White School of Operations and Information Management UWE Business School. Content. What makes a “good” rocket. Main principles: Centre of gravity Centre of pressure Stability. A “Good” Rocket. Launch Powered flight Coasting flight Apogee

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Principles of Rocketry

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  1. Principles of Rocketry Gareth White School of Operations and Information Management UWE Business School

  2. Content • What makes a “good” rocket. • Main principles: • Centre of gravity • Centre of pressure • Stability

  3. A “Good” Rocket Launch Powered flight Coasting flight Apogee Parachute decent “Gentle” landing

  4. A “Bad” Rocket It can go wrong in so many ways…..

  5. Key Principles • Centre of Gravity - CofG The point at which the rocket balances.

  6. Key Principles • Centre of Pressure - CofP The point at which a silhouette of the rocket balances. Just like a weathervane

  7. Key Principles • Stability A stable rocket is one where the CofG is at least 1 calibre in front of the CofP. The diameter of the rocket body = 1 calibre

  8. Summary • Understand the terms, Centre of Gravity (CofG) Centre of Pressure (CofP) Calibre • Know that stability is achieved when CofG precedes CofP by more than 1 calibre. • References & Further Reading • Stine (2004), “Handbook of Model Rocketry” • Van Milligan (1995), “Model Rocket Design & Construction”

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