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David Childers January 24, 2008 External Structures: Center of Gravity Code Inert Mass

David Childers January 24, 2008 External Structures: Center of Gravity Code Inert Mass. Point Mass System All masses are centered Cylinder Shape Rocket Constant sizing for all payloads Propellant Cg Fixed Single Tank/Stage No drift time Stages gone after burn Ground Launch.

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David Childers January 24, 2008 External Structures: Center of Gravity Code Inert Mass

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  1. David ChildersJanuary 24, 2008External Structures:Center of Gravity CodeInert Mass AAE 450 Spring 2008

  2. Point Mass System All masses are centered Cylinder Shape Rocket Constant sizing for all payloads Propellant Cg Fixed Single Tank/Stage No drift time Stages gone after burn Ground Launch Assumptions *Values from Chris Strauss presentation on 1/17/08 **Tsohas, John, Hybrid Rocket Project Presentation, Jan. 10, 2008 AAE 450 Spring 2008 Structures

  3. Values Stage 3 Stage 2 Future Work • Account for propellant shifts • Tank Size/Shape • Drift time • Sizing for smaller payloads • 2-stage values Created by David Childers (1/23/08) AAE 450 Spring 2008 Structures

  4. Additional values 5kg Payload • Mass values estimated from length ratio • Stages 1 & 2 • L(Strauss)/L(Tsohas)*M(Tsohas) • Stage 3 • L(Tsohas)/L(Strauss)*M(Tsohas) • Propellant/Inert ratio approximately 3.2 AAE 450 Spring 2008 Structures

  5. Sources • Strauss, Chris, Aerothermodynamics Presentation, Jan. 17, 2008 • Tsohas, J., “AAE 450 Spacecraft Design Spring 2008: Guest Lecture Space Launch Vehicle Design”, 2008

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