Handling terms: how to identify what’s happening when you corner 

That feeling when you finally balance out the car and get all 4 tires begin to lose grip concurrently (like in a steady turn like a freeway on-ramp). Heck, I got excited the first time my car oversteered at autocross coming out the slalom, it was exciting because it took several small changes and a couple years to get to that point with a 1st gen Chevy Cruze.

Great information, Julian. I just purchased your Car Suspension book hoping to learn more about the history of suspension design. Keep it coming!

sounds like an Evo RS model you drove. they had a 2.1turn lock to lock steering rack for rally homologation, that would make it feel too sharp on the road

I had a 2004 (BMW) Mini Cooper S that had flogged front arm bushes which caused bump understeer. Coming around a corner reasonably quickly and hit a bump and the whole car jumped nearly half a meter into the kerb. Scared the life out of me! It did mean I "had" to upgrade to new Enkei wheels though (Look. These ones are cheaper than the factory ones and look way better).

Excellent video!

My 370Z (completely stock, only 30,000km) had the characteristics of bump-steer even on straight roads if it hit uneven pavement at decent speed >120kmh or so. It felt like the rear was steering itself but also floating in what seemed like a quite underdamped fashion. It was the opposite of confidence-inspiring.. would that be down to the same cause as bump-steer in cornering? I can't say I recall it bump-steering awfully in corners so perhaps not.

My car has the tendency to abruptly oversteer when i drive kinda fast on mediocre pavements mid and out of the corners. It's a mitsubishi colt 2011, so i guess it's because of the rear axle torsion beam. It feels kinda spooky and not confidence inspiring. Also some times, through motorway bends if going in fast, has that sudden roll and then it settles.

Awesome presentation. Thank you!

Damn, these videos are good

The other day I was in the traffic, waiting for the green light. As usual, I was observing the car in front of me. A modern Mercedes Benz SUV had rear spoiler and side skirts to reduce the wake. I noticed, there was a lot of dust on the side skirts ahewd of the flow separation edges. I was confused, how could Mercedes engineers fail at basic aerodynamics? I then noticed fake exhaust tips😮. It turned out it wasn't a Mercedes, but one of those chinese cars. Clearly, chinese care about aesthetics, but not so much about actual engineering.