Barcelona test, Day 1: Exposing F1 2018’s latest tech updates

The Sauber C37 with flo-viz painted on the front wing pillars and side of the nose – the team making sure that its design correlates with what was expected.

This top down overview shows just how narrow the car's waist is as it meets the coke-bottle region.

The diffuser is painted with flo-viz.

Kiel probe arrays are mounted ahead of the sidepods in order that data can be collected on the wake shed by the front wheels, and how the car's aero is performing to nullify it.

Top down view shows the top of the floor/diffuser and the swan-neck style supports used to hold the diffuser Gurneys in place.

The bargeboards have increased in complexity when compared with their predecessors.

Ferrari utilising a kiel probe array behind the car as they evaluate whether the real-world car correlates with what they expected when simulating conditions in CFD and with the scale model in the windtunnel.

Slotted bargeboards, footplates and deflectors which have been totally redesigned for the VF-18.

Note the temperature strips placed in a butterfly arrangement on the floor of the car.

Top down overview goes to show the level of complexity that’s present ahead of the floor and sidepods, as the team look to quell the wake shed by the front tyres.

This overhead shot shows the row of vortex generators placed atop the halo in order to disrupt the flow over it.

This overhead three-quarter shot shows the level of complexity already on display ahead of the sidepods, which is likely to increase as testing continues.

More kiel probe arrays mounted behind the front wheels in order that data can be collected on the wake shed by the front wheels and how the car's aero is performing to nulify it.