Red Bull debuts new drag cutting rear wing endplate

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Among the many updates present on various cars at Melbourne, Red Bull certainly has one of the more interesting as the RB10 features a brand new rear wing endplate, including a new solution to reduce the drag induced by the rear wing.

The previously common solution, as seen on the inset, was to add gills on the high pressure side of the rear wing. These gills allowed some air to bleed off from the high pressure area in between the endplates to end up on the outer sides of the endplates. Red Bull's new endplate lacks these gills, instead adding 3 small apertures on the low pressure side of the rear wing. Here, air from outside the endplates flows through these openings into the low pressure area under the wing.

In both cases, downforce generated by the rear wing is marginally reduced, but the return is a less strong vortex on each side of the rear wing, resulting in less drag. What triggered this new design is unclear, but it is not unthinkable that the stronger DRS system has something to do with it.


By shelly on 16-03-2014 at 11:11

I think the trigger of this new design is not drag reduction, but helping the wing not to stall and get the downforce improvement of a more aggressive rw profile

By Pierce89 on 22-03-2014 at 06:46

I figure this wing is looking to increase DF rather than reduce drag. After all, the new regs slashed their effective rear DF.

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