I don't remember exactly where I saw that, but I know that NASA did some testing on aircraft tires, and the NHTSA did research on highway vehicles. I was working as an expert witness on a personal injury highway accident case some years ago, and I found the formula I quoted. I think that NASA...
I flew my bush plane through Canada a couple of times to AK and back, and carried bear spray, which is legal in CA, but not pepper spray, which is not legal (not logical, but go figure).
Tire tread is not the determining factor when it comes to hydroplaning. The speed at which any vehicle will hydroplane is: 7.5 times the square root of the tire pressure. Thus if your tire pressure is 36 psi, you will hydroplane at 45 mph. So in rain that is puddling on the road, slow down to...
I stepped up to a 2024 Land Cruiser 1958 from a 2015 4Runner Trail model, which I put 150,000 miles on, so it was just getting broken in. I have been driving a succession of 4wd vehicles of various sorts since 1972 (ok, 1967 if I count my Army service). I have owned 2 IHS Scout II's, a Jeep...