Why do Racecar Drivers Weave?

(And why you shouldn't)

Posted by Roger on April 27, 2020

The common explanation for that odd aggressive weaving is that the driver is trying to warm up to operating temperature. But those of us who have studied tyre behavior know that isn't quite true.

So here's an in-depth explanation as to why racecar drivers weave around, and why we club racers and track day drivers probably shouldn't copy them.