But while the idea of a full-length diffuser is different to the last time cars were designed like this, the aim is identical: produce the maximum amount of downforce possible through undercar aero.

Full coverage of F1 2021 plans:

Revealed: F1 commits to ground effect for new-look 2021 car
Explained: F1’s 2021 blueprint aimed at making the racing better
Tech analysis: F1’s ...Keep reading

Source: Insight: How F1's first ground effect era revolutionised the sport