Formula 1 Racing

The front-wing legality trick spotted on the new Mercedes F1 car

Mercedes W15 front wing detail

One of the more fascinating of these was, as would probably be expected, hidden in the launch renders but could be seen in the images taken of the real car as the team conducted its filming day at Silverstone.

The area in question is the uppermost front wing flap (highlighted in the image below), which comes in two segments (red and blue arrows), both of which require each other to pass the FIA’s legality checks.

Mercedes W15 front wing detail

Photo by: Mercedes AMG

It is a fascinating take on the wording of the regulations, but whether the design is robust enough to withstand further scrutiny from the FIA, or even complaints from other teams, remains to be seen. We also cannot completely rule out it being a ruse aimed to distract the opposition from other areas on its car.

Whatever the outcome, it offers us a pretty clear indication of Mercedes being back to its best in coming up with intriguing solutions to try to eke out more performance.

Mercedes W15 front wing detail

Mercedes W15 front wing detail

Photo by: Mercedes AMG

The front wing concept in question sees a very slender element used at the top of the wing in the non-moveable, inboard section (red arrow).

This thin strip of material simply exists for legality purposes, because the rules allow a maximum of four closed sections across the wing’s span.

Further out, the outboard portion of the upper flap has what we would consider a conventional chord. But rather than the flap being run up the side of the inboard metal adjuster as would happen with a normal layout, the flap tapers to a raised point above it (blue arrow), similar to how front wing elements were used in the previous regulations to alter the Y250 vortex that was being shed from the mainplane juncture below them. 

In this instance the same might be applicable, albeit on a smaller scale, with the triangular metal adjuster and the flap creating a shedding surface.

Notably, Mercedes has also changed the layout of its mainplane and nose for 2024, with the nose shorter than its predecessors, as the tip is now perched on the second element of the front wing, rather than right at the front of the mainplane. 

This has facilitated a change in the mainplane’s shape, with the team fancying a drooping variant this season, rather than one lifted to meet the nose.

This will obviously have a bearing on the airflow’s trajectory and could be used as a means to set up a flow structure that will be beneficial for its new flap…

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