Even though most teams still use the S-ducts, even when featuring narrow nose likes like on the Renault RS20 or Mercedes W11, it seems like McLaren will once again opt against an S-duct. Last year, with the introduction of the MCL33 car, the team switched to a narrow nose, and at the same time ditched the S-duct. It might be less advantageous to have an S-duct with a narrow nose, but the most likely reason why McLaren opted against is to be able to package things closer, while still maintaining rigidity. It's clear that everything sits very tight together, and that even if McLaren would introduce an S-duct, it would either mean a redesign of the monocoque - which is very unlikely - or an...
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