LAS VEGAS—Formula 1 held the third annual Las Vegas Grand Prix this past weekend in the Nevada city. The race is an outlier in so many ways, and a divisive one at that. Some love the bright lights that make it appear to be set in Mega-City One or F-Zero. Others resent the rampant commercialism of F1 at its most excessive. And this time, Ars was on the ground, making one of our periodic visits to the series. The race we saw was something of a damp squib, seemingly leaving McLaren’s Lando Norris in control of the championship.

At least that’s how it looked when I left the track on Saturday night. Within a few hours, Norris and his teammate (and one of his two title rivals) Oscar Piastri were both disqualified for having worn away too much of the “legality plank” underneath the car—more on that in a while.

I was <a href="https://arstechnica.com/cars/2023/11/f1-succeeds-in-making-its-las-vegas-debut-a-spectacular-one/">a huge skeptic of the idea</a> when the Las Vegas race was announced, but the first two events put on a good show. Year 3 was a little more dull, however. Credit: Clive Mason/Getty Images

Emblematic of the new F1

Unlike most Grands Prix, Liberty Media promotes this one itself. It spent half a billion dollars to get ready for the 2023 event, some of that on the pit lane and paddock complex, yet more on resurfacing the roads to the standards preferred by these thoroughbred racing cars. The track layout—which looks like a pig on its back—is typical of North American street circuits.

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© Hector Vivas/Getty Images

LAS VEGAS—A Formula 1 car runs on soon-to-be-synthetic gasoline, but an F1 team runs on data. It’s always been an engineering-driven sport, and while you can make decisions based on a hunch, the kinds of people who become good engineers prefer something a little more convincing. And the volumes of data just continue to get bigger and bigger each season. A few years ago, we spoke to Red Bull Racing about how it stayed on top of the task, but a lot has changed in F1 since 2017, as we found out at this year’s Las Vegas Grand Prix.

It’s hugely popular now, for one thing, even in the United States: a 200 mph soap opera now with 24 episodes a season. Superficially, the cars look the same—exposed wheels, front and rear wings, the driver in between some side pods. And the hybrid powertrains that make the cars move are still the same format: 1.6 L turbocharged V6 engines that recover energy from the rear wheels under braking as well as the turbine as it gets spun by hot exhaust gases.

But the cars are actually fundamentally different, particularly the way they generate their aerodynamic grip mostly via ground effect generated by the specially sculpted underside of their floors rather than the front and rear wings. A bigger change lurks in everyone’s accounts. The days when teams were free to spend as much money as they could find are gone.

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