Watch: How an F1 wind tunnel works

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Wind tunnels are crucial for the development of Formula 1 cars, but remain a bit of a mystery for many fans.

That no longer need be the case, with Sauber providing F1 fans with an in-depth look at how this key bit of machinery functions.

Sauber Head of Aerodynamics Willem Toet takes us through every aspect of wind tunnels in a great educational video.

Don’t be put off by the video’s length, it’s well worth the time.