Wind tunnel testing is crucial for Formula 1 teams as they develop their cars throughout the season in order to stay competitive.
Testing restrictions existed prior to F1's intervention, but in a push to implement a more level playing field, the sport brought about more radical changes in 2021.
The Aerodynamic Testing Restrictions (ATR) is a handicap system that resets every six months and provides those lower in the standings more testing time.
As a result, the further up a team finishes in the Constructors' Championship results in fewer testing hours for the following campaign.
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Haas finished last in 2023 and now has 115 per cent of available time while champions Red Bull are allocated only 70 per cent.
Despite its restrictions, the Milton Keynes-based squad has been able to maintain a dominant front-running position across the last two seasons.
Below, see how many wind tunnel hours each team has this year.
2024 Formula 1 wind tunnel hours
| Team | Wind tunnel hours | Number of wind tunnel runs per ATR Period | Number of CFD items per ATR Period |
|---|---|---|---|
| Red Bull | 840 | 224 | 1400 |
| Mercedes | 900 | 240 | 1500 |
| Ferrari | 960 | 256 | 1600 |
| McLaren | 1020 | 272 | 1700 |
| Aston Martin | 1080 | 288 | 1800 |
| Alpine | 1140 | 304 | 1900 |
| Williams | 1200 | 320 | 2000 |
| Visa Cash App RB | 1260 | 336 | 2100 |
| Stake F1 | 1320 | 352 | 2200 |
| Haas | 1380 | 368 | 2300 |
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