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.: rear crossmember

    I again resorted to developing the bracketing using a CAD model        This is the main rib. I initially had long through holes in order to hold the entire assembly in tension, but after analyzing the stresses I determined they were not necessary. (Robotic Solutions is a sister company).

    Hole locations needed to bolt the rib to the horizontal members.

    There are three different horizontal members - two mirror pieces, and one needed for clearance at the driver's foot well.

    I did away with the curvature as it didn't lock the components together. Instead I notched the "bellhousing" so that the weight of the motor would tend to lock everything together tighter - that's why I did away with the through holes in the horizontal members.

    This is the main  filler member - sort of a keystone.

    Another drawing of the "keystone".