Air motor
thingiverse
I stumbled upon some schematics for a motor that was supposed to run on compressed air. When I had it machined, the parts didn't fit together or function properly. So, I re-created the motor components in CAD and tweaked them to make sure they would fit, then adjusted some dimensions to boost its performance. I 3D printed and built it just for kicks, but was eventually convinced to give it a try. It ran like a charm! (I've tried to upload the video of it running. Download it, modify it, and have fun! Video link now available: https://youtu.be/MTKihFN7jcg
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