Formula One's most successful team, Scuderia Ferrari have unveiled their brand-new machine, the F1-75 with which the Italian outfit's young driver pair of Charles Leclerc and Carlos Sainz will race in the sport's 73rd season.
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Bottom left pic (the high/front angle) it actually looks pretty similar to the McLaren… high, wide sidepod inlets, relatively bluff front sidepod surface (although more undercut than McLaren)… it’s obviously the top of the rear engine cover that is posing the most questions.
so what is the point about this concave surface under. To push the wake of the floor and rear wings? Some of the air will spill around the sides but some of it will go wider right?
Looking at the car from a different angle, I change my mind on the Coanda effect for this car. They are not doing this with the side pods.
It seems to me that they are using the now available space of not having big centre-line cooling and no big cannon cooling exit. At the same time they are using the side-pods to furl up the exhaust from the gills into a smaller area inwards towards center-line of the car. Yes, the hot air still goes towards the center, but difference is you don't have that big bodywork in the way, and you can actually now get a mixing of the hot air with the cool air in a controlled way, than if you did not have the basin shaped side-pod.
Anyway, the overall benefit I think, is less body work in the center from not having the cannon exit, while at at the same time not having hot air blow all over the place. So I suspect less drag, and better balance in yaw (when the car is turning).