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Thickness (t)0.125"
Inner Radius (ri)2.675"
Outer Radius (ro)2.8"
Length15"
Useable Packing Volume~340 in3

Mass Saving Cut Options

Unknown User (ellenlee@mit.edu) Unknown User (amel@mit.edu) @Shannon Cassady

We ultimately chose to pursue the column design due largely to the simplicity of fabrication and decreased likelihood of line entrapment.

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Ultimately, to increase the safety factor, we chose to increase reduce the cut width by a factor of 2. Simulation results are below.

 

Flight 1

Due to manufacturing constraints, only 4 of the mass saving cuts were implemented. This design did not fair well in shipping, future teams are suggested to place the diaphragm and a similar feature in the cup for travel.

Image AddedImage Added

 

Resources

NASA, Buckling of Thin-Walled Circular Cylinders