This came as a blow to the , whose Spec-3 update has failed to live up to expectations and requires that it operates below its upper thresholds in order to maintain reliability. , who already held the trump card in terms of outright power, added more performance with its new specification power unit in Italy and continued to exploit it in the subsequent rounds.

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SF90, front wing comparison

Ferrari SF90, front wing comparison

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Photo by: Giorgio Piola

Ferrari SF90, nose underside

Ferrari SF90, nose underside

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Photo by: Giorgio Piola

Ferrari SF90, floor

Ferrari SF90, floor

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Photo by: Giorgio Piola

To take advantage of the newfound front-end performance, and to balance and improve flow stability around the rear end of the car, the team stiffened the slots on the edge of the floor, incorporating metal inserts in the areas that are prone to flex. Fluctuations in the slot gaps would have previously led to compromised performance, which in-turn would reduce the effectiveness of the tyre squirt slots ahead of the rear tyre (highlighted in yellow).

Ferrari SF90 rear diffuser detail

Ferrari SF90 rear diffuser detail

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Photo by: Giorgio Piola


plays the longer game

While the resurgence of Ferrari over the last few races has added to the spectacle, and brings us hope of a better or closer end to the 2019 season, Mercedes is already eyeing gains it may be able to make for 2020.

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Mercedes AMG F1 W10 front suspension detail

Mercedes AMG F1 W10 front suspension detail

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Photo by: Giorgio Piola

RB 14, front suspension

Red Bull Ring RB 14, front suspension

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Photo by: Giorgio Piola

The solution Mercedes is testing has seen continuous use by other teams throughout the last few years, like .


slips off the pace

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Red Bull RB15 bargeboard comparison, Russian GP

Red Bull RB15 bargeboard comparison, Russian GP

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Photo by: Giorgio Piola

Red Bull has fallen a little behind its rivals partly due to the power unit penalties, and partly due to the rate of development being made around them. However, in the team applied an update of its own, reprofiling the leading edge of the bargeboards and exposing the splitter to more flow.

RB15 diffuser detail

Red Bull Racing RB15 diffuser detail

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Photo by: Giorgio Piola

This was paired with a change at the rear of the car, as the team added two slots in the base of the two innermost strakes while making a novel change to innermost strake (white arrow) as it tilted it from the vertical.

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