Offroad

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A lemmy community for offroad enthusiasts

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Cybertruck owner goes offroading, problems abound (www.theregister.com)

submitted 9 months ago by [email protected] to c/[email protected]

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Light offroading in dry conditions and the Cybertruck completely failed.

Best quote: "wow that Subaru Crosstrek with us had no problems at all and it was his first time!"

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[–] [email protected] 5 points 9 months ago (1 children)

Exactly! The wheels on the left and right of a car are generally able to rotate at different speeds, this is helpful when going around corners, as one wheel needs to spin faster than the other (more distance in the same time). This is controlled by a differential. There are a couple different types of differentials, but the basic idea is that when power is sent to the axle/wheels, one is side is allowed to slip. This is bad when only one side of your axle has traction (ex wheel in the air) because the power will take the path of least resistance and spin the wheel without traction and the other wheel will slip. With both wheels in the air - no power was available to push the car forward. When they mention locking the diffs in the video, they’re talking about enabling a feature which prevents the differentials from slipping so that power is sent equally to the left and right wheels on an axle which would push the car forward with a drive wheel in the air.

[–] [email protected] 4 points 9 months ago

@codeman869 @Ephera So, this is puzzling -- I wonder if this is driver error. The cybertruck should be able to use its separate wheel motors to "mimic" a locker. I wonder if you have to put it in offroad mode or something to engage it? If it really is missing, seems like it could be fixed with an OTA update. I also wonder if it has a sway bar disconnect or not -- Broncos and Jeeps (and others) have a button in the cab that does this and it improves the suspension articulation quite a bit.