Glossary
Diffuser
What it means
An expanding section at the rear underside of the car that accelerates exiting underfloor air, producing low pressure that sucks the car to the road.
Related terms
FFloorThe large underbody surface of the chassis channeling airflow into the rear diffuser, generating the…DDownforceVertical aerodynamic force generated by wings and the underfloor pushing the car onto the track surface,…
More from the glossary
AApexThe innermost point of the racing line through a corner, where the car clips the inside curb before…BBlisteringBlistering of the tyre caused by overheating inside the carcass, creating pockets of air that burst…BBlue flagA signal displayed to a lapped driver informing them that a faster lead-lap car is closing behind and must…BBox, boxAn urgent radio instruction from race engineer to driver ordering them to enter the pit lane on that lap…CChequered flagThe iconic black-and-white patterned flag waved across the finish line marking the official conclusion of…CChicaneA tight series of alternating, quick direction-change corners introduced to slow cars down on long…