David Heinemeier Hansson (DHH)

But what I actually pay attention to most is I run a program.

What I try to do when I go to a racetrack is I try to load up the best program I know how for every single corner.

What's my break point?

What's my acceleration point?

What's my brake trailing curve?

And I try to pick up that program in part just by finding it myself and how fast I can go.

But even more so than that, by copying my professional competitors or not competitors, co-drivers.

So I usually always race with a pro and modern race cars produce an absolute enormous amount of data.

And you can analyze all that data after each outing.

You can see an exact trace of how much you push the brake pedal, how much you did in terms of steering inputs, when you got on the gas.

You can see every millisecond you're losing is evident in those charts.

So what I try to do is I try to look at the chart and then I try to load that in

And like, that's what I got to do.

Oh, in this corner 17, I actually, I have to be 10 bar lighter on the brake.

So I try to load that program in and then I try to repeat it.

Now, then there are all the things that changes.

Your tires change quite a lot.

These tires are made to only last 40 minutes in many cases.

Sometimes at Le Mans, we can go longer, but at some racetracks, they last as little as 40 minutes before they really fall off.

So you got to manage that, that the grip is constantly changing.