Cool gearboxes

Hey so I really love gearboxes and looking at cool ones that people have designed or know of. I just want to see people’s favorites. Here’s a cool one my friend designed:

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I’m always amazed when I look at 254’s 2019 carriage. The packaging is super impressive.

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Here is a gearbox that I designed for the Cadathon a few months ago.

CadAThonGearbox

It’s actually two identical mirrored gearboxes designed to actuate a two DOF arm (Shoulder and Wrist joint). Both gearboxes are packaged inside the arm tube, and the small sprocket on the end of each stage drives a fixed sprocket on the base and the end effector. While I have no idea if this would work in real life, I see no reason that it wouldn’t.

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