Tyres/tires

[Gardenome]

So I've been researching tires and brakes for my rover so YouTube recommended the following video. Very interesting.

https://youtu.be/spOUcaUzIHY


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[Red90]

He is missing an important point.

If you have two tires of the same diameter with one wider, you can safely run a lower pressure with the wider tire.  Lower pressure gives more traction and more floatation as the contact path area is increased. Going taller is better than wider, but there are usually more physical limits and complexities with taller tires than wider ones.

The rest of the video is good information.