Red Bull – Preseason front wing update

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In the last pre-season test at Barcelona, Red Bull introduced their updated front wing. Like the rest of the car, this is an evolution of what has gone before. Albeit based on the complex late-2010 set up, with 3-4 elements in differing areas across the wings span. It’s the endplate and cascade that have changed the most. While the flaps take some inspiration from Renaults early 2010 shape.

Firstly the shape of the main plane remains the largely the same, While the 2 flaps also retain their extra slot on the outermost span. This creates a four element wing nearest the endplate, this section gains a gurney to help keep flow attached. Meanwhile the inboard ends of the flaps follows Renaults idea from 2010, as they are feathered. This is visible by the space created in between the wing tips, Looking at the set up intuitively, the flaps remain loaded, but their tip vortex would be broken up into two smaller less powerful trails. Which still creates downforce, but may be less disruptive to the flow along the centre of the car.

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The cascade is slightly revised, again with the two conjoined winglets. Now the larger outboard winglet is curved near the join with the endplate, creating a deeper angle of attack and correspondingly a larger vortex spilling of the wingtip to direct airflow around the tyre.

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Mounting the new cascade is a revised endplate vane, Red Bull merge this organically into the rest of the outboard wing shape, but in principle this is the same as the vanedendplate-less set up of most other teams. The vane is slightly more outboard creating a wider cascade, probably for both more downforce potential and also to move the aforementioned vortex further outboard.



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