As Rivian notes in its patent application: "Such a turn when employed on soft surfaces can cause the wheels to dig into the ground and sink rather than turning the vehicle." It's a neat party trick, but it can't be used everywhere. Called the "tank turn," this tech uses the EV's four motors (one connected to each wheel) to rotate the wheels on either side of the EV in opposite directions, kind of like moving the treads on a tank against each other, to basically spin the vehicle in place. Whether or not this K-turn will make an appearance on Rivian's upcoming R1T and R1S EVs is not directly specified in the patent application, but Rivian has already promoted a different unusual turning method for these vehicles.
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