Vanja #66 wrote: ↑26 May 2023, 18:41
Wonderful to see the floor. Ferrari shaped their diffuser keel for massive pressure recovery and drag reduction, not really for downforce. They could add a few DF points there easily. Also, and this is clear, they are pushing with their original floor shaping as last year (no surprises there), no specific diffuser kicks like RB/AMR and a clean profile to maximise overall floor downforce.
As a result, I don't think they are benefitting with added air volume through the mouse hole as much as RB/AMR, so switching to downwash sidepods would not help them at all. They need to sort the suspension and tyre usage during the race, otherwise they will never use the full potential of the car in any race.
So, if they do add the few DF points of DF, will they lose the drag reduction benefit and be back where they were last year—with a deficit to RB on max. velocity? And, I note in the RB19 thread, wondering if RB are using what looks like the aft-most, second kick/venturi to maybe choke the flow to the diffuser when at low rear ride height to get their high Vmax?
Also, maybe the Ferrari design is just too reliant on maintaining the flatness of the platform that the restrictively regulated suspension cannot cope with—especially as regards pitch sensitivity, per my comment below…
Vanja #66 wrote: ↑26 May 2023, 19:19
Farnborough wrote: ↑26 May 2023, 18:50
Also that lowest area being so flat looks to make it very sensitive to height above ground, with much variance in that ride height it looks to be very peaky without much in the way of mitigation at all.
More of an "on~off" light switch type of interaction. Either it's making load or not much to speak of.
Both diffuser and wing in ground effect have the same nature, both are very sensitive to ride height and peak performance. Both are either working great or not good at all (for F1 performance level). Likewise, both Ferrari and RB/AMR concepts work well only when the car is at optimal ride height. The difference is that RB is keeping the car low at the lowest speeds, next one is AMR judging by its performance and Ferrari is at best third in this regard.
https://d3i71xaburhd42.cloudfront.net/d ... ure3-1.png
https://www.researchgate.net/profile/Jo ... l-with.png
Though these charts talk to performance as a function of ground clearance, they don’t show variations in DF—or CoP shift—as a function of pitch attitude, which I believe would show the flat bottom as more sensitive than a “shaped” floor.