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Behold The Hyundai Uni Wheel. Transportation May Never Be The Same
(cleantechnica.com)
This is a most excellent place for technology news and articles.
I’m in full agreement.
Expanding on your concern about the sun gear is what dirt, brine water/winter treatment will have on the mechanism over time. The best case scenario is this becoming more inefficient over time if it gums up, the worst case is having debris act like sandpaper on the gears, ever-so-slowly weakening the teeth over time.
Maybe they’ve thought of this but I can’t help but to think this is just trying to get a headline or two.