Aerodynamic Forces

Drafting: Regular and Bump

I looked through the blog and realized that I haven’t really blogged about drafting. I’ve blogged about all the rules NASCAR’s enacted in the last couple of years to try to control drafting, but not drafting […]

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… […]

Diamond

NASCAR and Energy Efficiency

It never fails. When I give a talk about The Science of Speed at a University science department (as opposed to a talk for the public), someone will ask “How can you advocate for NASCAR? They’re the biggest waste of gasoline.”

Or something similar.

I’m going to look at this in two ways. People often confuse how much energy is used with how efficiently energy is used. One way to cut back on energy usage is to use less energy, but it’s also possible to use less energy by using the energy more efficiently. […]