And then you see something like an infinitely variable transmission built from nested pulleys, and you realize ... allows the motor to stay at peak efficiency while smoothly changing the gear ...

and through a shaft another set of pulleys to the drone motor. The bracket to hold all this and the very large pulley on the wheel are all 3D printed in PLA-carbon fiber mix. When it’s assembled ...

The 3/4hp induction motor on my Rockwell mill is OK, but it has a bent shaft and mismatched step pulley. I'm upgrading the ...

Dive into the mechanics of Lego pulley systems and see how much weight can be lifted using a Lego PF Medium Motor. This innovative build pushes the boundaries of Lego engineering, using only Lego ...