McLaren F1's Passive DRS Explained - And Is It Legal?

Some onboards from the F1 2024 Azerbaijan Grand Prix appear to show the McLaren rear wings flexing at high-speed. This is a system that has been dubbed both “Passive DRS” and “Magic DRS”, but how does it work, what effect does it have and more importantly, is it legal? This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit f1chronicle.substack.com/subscribe