Center of Gravity
Lexan
Biffle, Greg
Cautions

Will the Gen-6 Car Affect the Number of Cautions?

I love the Gen-6 car. Not as much as I love the Nationwide cars (but that’s got more to do with what I drive than it does the cars). The big question is whether the decrease in cautions is going to be changed because of the new car.Let’s start (as we usually do) with the new car. […]

Ideal Gas Law

Nitrogen and Tires

Since it’s ramping-up time for the new semester, a bit of recycling is in order. The Science of Speed is a video series the National Science Foundation made to explain some of the science of motorsports. One of the segments (which I wrote) is on Tire Pressures. […]

What’s a NACA Duct?

The words “NACA Duct” usually go by so fast that they sound like “Nackaduck”, but a NACA duct is really just a specialized type of duct. Ducts are hoses or other devices used to move air from one place to another. brings air into (in our case) a racecar in a very special way. Clear NACA ducts can be seen in the rear windows of NASCAR cars – there are usually two or three in the window. Carbon-fiber NACA ducts sit in the front of the car. […]

Busch, Kyle

Is There Really a Second-Place Curse?

One of the commentators after the final race in Homestead mentioned that Jimmie Johnson should be happy he finished in third because it allows him to avoid the “dreaded second-place curse”.
Anytime someone says something like that, it makes me wonder whether there really is a curse, or whether that person had just been talking to Carl Edwards. So I analyzed a little data and guess what… there really IS a second place curse. […]

Cautions

Cautions: A New Low for NASCAR

At the start of the season, the big news was that cautions were remarkably down from last year. As I showed, this isn’t a new trend – it’s a continuing trend since 2007. Since the season’s data are now complete, I thought it was time to revisit the data. […]

Auto Club Speedway of California