ULA Attachment Bracket Version 4
grabcad
This is my fourth attempt at solving the challenge. I've included files in IGES, STEP, and STL formats. The mass of the object is 0.071822 lb (32.5779 g). Maximum stress occurs at an extremely small area, reaching 2896.603 psi. Factor of safety ranges from 3.004 (no weak points) to 542.837. Forces applied were 600, 1000, and 1500 lbf; please see the attached photo for details. The bracket can withstand up to 1500 lbf in the negative z-direction. Thank you for viewing and downloading.
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