Tuesday, October 22, 2013

Derby nerd

For the next two "modules," I flipped the model in the Up! printer software, which yielded slightly better results.

Here are the three modules with all of their hardware: salvaged 608 bearings, 1/4-20 bolts with weld nuts to act as sleeves to better fit the bearings, 5/16 nuts to add extra weight, and 6-32 bolts to serve as joints to connect each module together.

I created "links" for joining the modules together using aluminum armature wire, bent to shape with needle nose pliers.  I was originally planning on printing these, but thought they'd be a bit too brittle in the end.

Here's my nerdy derby car, assembled and ready to race.  Usually with a gravity driven racer you'd want to minimize surface contact... but with the extreme curves in the nerdy derby track it seemed like half the battle was staying on the track.

Detail shot of the armature wire linkage.

Decided to name this guy "Derby Nerd" in honor of the event.

I'll be sure to post some pictures of the derby and Milwaukee Makerfest in the coming days.

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