1 sarah shoemaker feb. 28 2008 structures group internal structures, cad balloon gondola cad and...
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Sarah ShoemakerFeb. 28 2008
Structures GroupInternal Structures, CAD
Balloon Gondola CAD and analysis
AAE 450 Spring 2008Structures
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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
AAE 450 Spring 2008Structures
Figure by Sarah Shoemaker
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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
AAE 450 Spring 2008Structures
1Code Balloon_Model produced by Jerald Balta and William Ling
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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 2008Structures
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Backup Slides• Dimensions of Gondola
– Thickness (square): 0.1 m– Width (equilateral): 3.5 m– Height: 4 m
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Backup Slides (possible balloons)
AAE 450 Spring 2008Structures
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