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Behold The Hyundai Uni Wheel. Transportation May Never Be The Same
(cleantechnica.com)
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this post was submitted on 02 Dec 2023
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The front wheels show CV-looking boots at 4:20 and 5:10. Even the rear wheels will likely need cv joints. Independent suspensions change camber with that coroner's ride height to improve traction. That's why when a car is overloaded, the wheels look like /---\ and when it's on a lift, the wheels go ---/ (to varying degrees).
While there is some kind of boot shown the entire selling point of this thing was that it's supposed to eliminate the need for CV joints. At that same 5:10 mark or there about you can also see the shot that appears to show the motors being pivoted to turn the wheel. I suspect these are not CV joints although they are joints most likely for camber adjustment as you point out, probably something like a universal joint.
A U-joint has worse modulation between input and output than a CV joint. However, I did look again at the video as big as I could and you are right, the motors are pivoting. It seems to only pivot a partial amount and still at an angle to the wheel. Something is still being glossed over.