The McLaren MCL35 with a complex kiel probe array mounted within their airbox, measuring airflow into the structure to make sure it’s receiving the amount of airflow that was anticipated.
The Ferrari SF1000 with flo-viz painted on the diffuser as the team tries to identify any flow inconsistencies and make sure it’s performing as anticipated.
The SF1000 has also been outfitted with additional measuring equipment on the front wing during the second day of testing. These sensors, mounted on the outer portions and the centre of the wing measure ground clearance, in order that the team can check how much the wing is flexing.
The Red Bull RB15 with large kiel probe rakes mounted behind the front wheels. Note how the frequency of the kiel probe changes at the base of the rake and the stanchions in the centre and above the wheel.
A small kiel probe array is mounted on the floor of the Ferrari SF1000, measuring airflow across the surface as it travels into the ‘coke bottle’ region.
This image of the Racing Point RP20 with the wheels off gives us a great view of the some aspects of the car that are often obscured, such as the bargeboards and splitter.
The McLaren MCL35 with a large kiel probe rake on the rear of the car, oopsie on the taller stanchion though, which obviously wasn’t designed to take such abuse, as it’s fallen over.
A nice action shot of the Ferrari SF1000 gives us a great view of the cars bargeboard arrangement, with special attention being drawn to the shape of the two boomerangs.
Another action shot of the SF1000, this time with the front wing sensors in place that we’ve already talked about but, also note the additional camera housed on the left-hand side of the airbox (the right side as you look at it).
The Williams FW43 circulated with a pair of kiel probe rakes behind the front wheels during the morning session.
A different angle of the McLaren MCL35 outfitted with the pair of kiel probe rakes at the rear.
The Red Bull RB16 not only had kiel probe rakes behind the rear wheels but also one inside the airbox too.
The Alfa Romeo C39 with kiel probe rakes behind the front wheels measuring the wake created by the front tyre in order that they can establish a map of the airflow.
The Alpha Tauri also had kiel probe rakes placed behind the front wheels to take measurements
The Mercedes W11 outfitted with kiel probe rakes on the rear of the car, measuring airflow ahead of the rear tyre and over the sidepods and engine cover.
Perez behind the wheel of another raked up racer, all whilst a set of soft tyres appear to be a little angry with him.
A brilliant action shot of the Ferrari SF1000 with the rear wing tip vortices visible.
More rear wing tip vortex action, this time on the Renault RS20.
Having ditched the kiel probe rakes, Alfa moved onto some flo-viz evaluation, painting the left-hand side of the car with oil based paint in order to correlate the real world airflow behaviour with the simulations done at the factory ahead of time.
Another view of the Alfa Romeo C39 smothered in flo-viz.
The Red Bull RB16 with a single horizontal row of kiel probes mounted just ahead of the rear wing.
The Racing Point RP19 still sporting its bullet-shaped airbox pods which enclose additional infra-red cameras to monitor and map tyre performance.
Lando Norris at the wheel of the MCL35 with flo-viz paint on the two-element T-Wing arrangement.
Norris took the car out for a run without the T-Wings too.
A close up of Alfa Romeo’s front wing and the metal stays used to maintain the slot gaps and overall wing rigidity.
A close-up of the Alfa Romeo’s sidepod, showing off the shape of their inlet and that they’ve lowered and brought forward their side impact spar that’s now housed in the lower sidepod bodywork.
A good look at the Alfa Romeo C39’s steering wheel, noting the three main rotaries in the centre of the wheel, the various buttons and thumb rotaries.
A good look at the Red Bull Rb16 as it not only compresses at the rear under load but also has flo-viz painted on the rear wing.
In this image Red Bull is taking a two-pronedg attack on the flo-viz with a green paint used on the left and a lighter blue one on the right.
Some close-up aerodynamic detail here with the Sauber C39 hedgehog vanes atop the bargeboard visible, whilst their fresh turning vane design is shown in the background.
Ferrari’s front brake duct which emits as much airflow as possible out through the wheel rim for aerodynamic gain.
A top-down overview of the Mercedes W11 gives us a great view of the extremely complex bargeboard region.
Another top-down view of the W11, this time out on track and with flo-viz paint on the front suspension elements.
A really good view of the flo-viz on the Alfa Romeo C39 and how it’s transmitted down the side of the chassis as the airflow moves over the car.
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