Floor fence

In F1F1 is the pinnacle of open wheel,  single seater car racing and arguably the highest level of any motorsport globally.... There's more... a floorThe floor or the undertray (underbody) is the highly complex component that tunnels air under the car creating downforce. This... There's more... fence is used to collect air and redirect it to aid the car’s aerodynamicAerodynamics is the science of controlling how the air behaves as the car cuts through it at speed. F1 cars... There's more... performance.

Often seen protruding from the front of the floor behind the front wheels. But fences can also be employed at the rear of the floor. 

Graphic by Giorgio PiolaGiorgio Piola is a watch designer, journalist and television commentator for F1 World Championships. He analyses the evolution of the... There's more..., creator of motorsport watches – here