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Sarah Shoemaker Feb. 28 2008 Structures Group Internal Structures, CAD

Sarah Shoemaker Feb. 28 2008 Structures Group Internal Structures, CAD. Balloon Gondola CAD and analysis. AAE 450 Spring 2008 Structures. Gondola Design. Triangular truss design Aluminum Sized for 5kg payload (easy to change) Hole in bottom for exhaust Guide rails may be added

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Sarah Shoemaker Feb. 28 2008 Structures Group Internal Structures, CAD

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  1. Sarah ShoemakerFeb. 28 2008Structures GroupInternal Structures, CAD Balloon Gondola CAD and analysis AAE 450 Spring 2008 Structures

  2. Gondola Design • Triangular truss design • Aluminum • Sized for 5kg payload (easy to change) • Hole in bottom for exhaust • Guide rails may be added • Attach cables to corners Figure by Sarah Shoemaker AAE 450 Spring 2008 Structures

  3. Weight Analysis • Weight of rocket (5kg): 5,146.27 kg • Weight of gondola: 1,361.1 kg • Total weight (does not include cables and attachments): 6,507.37 • Total Lifting Force of balloon1: 69,820 N • Volume of Gas (assumed helium)1: 578,580 m^3 • Diameter of Balloon1: 100 m Future Work: • Stress analysis on gondola parts • CAD 1Code Balloon_Model produced by Jerald Balta and William Ling AAE 450 Spring 2008 Structures

  4. Backup slides References: • “FAQ’s-Hot Air Balloons”. Cameron Balloons. 2001 [http://cameronballoons.com/shapes_gallery.html]. Accessed Feb. 25 • Matlab code by Jerald and William AAE 450 Spring 2008 Structures

  5. Backup Slides • Dimensions of Gondola • Thickness (square): 0.1 m • Width (equilateral): 3.5 m • Height: 4 m

  6. Backup Slides (possible balloons) AAE 450 Spring 2008 Structures

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