Interesting theory by Federico Albano:
We can see how in the first part of the straight Verstappen gains 65 thousandths on Leclerc, mainly due to turn 6, taken more slowly by the Monegasque, with a performance that then flattens out at 291 km/h. As soon as the DRS opens, the two corners widen out, with an 8 km/h advantage for Verstappen before turn 9. As soon as the DRS opens, however, the two corners widen, with Verstappen gaining an advantage of 8 km/h before the braking at turn 9, with a gain of 131 thousandths for the Dutchman in this section alone. This tells us some interesting things. The first is that there is obviously higher drag from the bottom and body of the car for the Ferrari, which suddenly emerges as soon as the height given by the closed rear wing is reduced. On the other hand, it is natural to think that the RB18 has the opposite situation, i.e. a better aerodynamic efficiency of the car body, but a worse efficiency of the rear wing, which, when closed and coupled with the bottom, produces a level of resistance comparable to that of the F1-75 while not providing the same vertical load. This could be one of the reasons why the Austrian team insists on a more unloaded set-up, not only to maximize efficiency, a characteristic of their car body, but also because they are not finding the same level of efficiency in the rear wing. This is obviously just a hypothesis, but it is what the data would seem to suggest.
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