Auto Club Speedway of California

Driving Concussed

Driving Concussed This week brings the return of Jeff Gordon to the track, but under conditions I’m sure all of us wish were otherwise. Dale Earnhardt, Jr. is out again (and will be next week) […]

Tires

When is a Tire Test Not a Tire Test?

Ch…Ch… Ch… Ch….Changes! If you were going to pick an icon for the upcoming race at Kentucky, it would be a giant question mark. It’s almost like coming to a brand new track. This is […]

Aerodynamic Forces

NASCAR’s Goldilocks Problem: How much Downforce is “Just Right”?

The Problem The current racecar handles badly when its aerodynamics are disturbed by another car. This makes it very difficult to pass. The advantage of having clean air become insurmountable, which makes for less exciting […]

Can You Really “Run Better than you Finish”?

“He ran better than he finished” is one of those things you hear and don’t think too much about. Unless, of course, you’re me. I wondered if it was really possible to tell mathematically (or […]

Energy

Conservation of Energy in a Crash

Last week on SiriusXM Speedway, we talked about how the kinetic energy of a race car (at 190 mph) is approximately equal to the caloric energy contained in two dark chocolate Easter bunny rabbits. The […]

Energy
Brakes

Tire Management

NASCAR is very clear about what teams can and can not do to the tires. Teams may not use any chemical or physical means of altering the tires, which means no siping (cutting grooves into the tires), no chemical softening, not even heat blankets to pre-warm the tires are allowed. Basically, you can’t do anything to the tires. This means that when a tire blows out, it’s the tire’s fault. Right? […]

NASCAR

Is an iPod more dangerous for your ears than a NASCAR race car?

Anyone who’s ever been to the track knows that racetracks are loud. Quite frankly, it’s one of the things many people (including me) like about actually being at the track as opposed to watching on television. But could that noise be doing your hearing permanent damage? Is it any worse than any of the other sounds we encounter on a daily basis?
Let’s go to the data… […]

Grass

Does Grass Pose a Danger to Racecar Drivers?

Now that most tracks have put SAFER barriers on any possible surface, it might seem like racetrack safety is a done deal. That’s not what we’ve heard this week at Daytona, though. Some of the drivers […]