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Thanks for the insight! My uninformed view was that from a moving parts perspective it was a lot fewer than a transmission and traditional drivetrain, so it seemed like there would be fewer points of failure and less complicated maintenance. It also seemed easy to produce, even with tight tolerances it's pretty mechanically simple.
It was hard for me to see if it was just marketing hype though. It's interesting that wind turbines use planetary gear sets! I never thought about it before beyond "wind spin blade= electricity."
oh yeah no, it's vastly simpler than an ICE engine,a clutch ,a transmission, a transfer case, the drivetrain, the differentials, and then the CV joints to the wheels.
It's certainly going to be easier to access than that whole drivetrain, that's for sure. And if you lose the proverbial first gear here, you still have 1-3 other motors taking up the slack.
wind turbines are pretty interesting, it makes sense that they use planetary sets though. It simplifies construction, and minimizes the surface area facing the wind (more power generation) There's a lot of weird things you can do with planetary sets. The two speed transmission in a drill for example? That's a planetary set, where the speed setting just locks a ring gear set to it's planets and sun gear. Thus nullifying a stage of reduction, I.E. giving you go fast speed. And then unlocking it gives you another set of reduction, I.E. slow speed for more torque.
like i said, if they can tackle the fundamentals there, which seem very possible to me. This is definitely how this stuff is going to work in the future.