As expected, the revisions incorporate all major elements of the sidepods, including the entry, undercut and body contours.
The size and shape of the entry has already been a focus of its development this season, with the team introducing a shallower but wider variant at the Azerbaijan Grand Prix (below).
However, the Hungaroring upgrade takes the concept one step further, with an even shallower letterbox-style approach, while being a bit wider to retain some of its bulk.
Red Bull Racing RB19 side lug comparison, Azerbaijan GP
Photo by: Giorgio Piola
This also has a marked effect on the size of the undercut, with more of the pontoon body exposed to airflow.
The lip of the underbite not only projects further forward than before, it also has a larger radius on the leading edge.
This radius is formed due to the curvature of the upper platform, as it now arches back and forth in order to back up the airflow into the entrance and, therefore, creates the visual illusion of a much smaller entrance from certain angles.
It is also worth noting that where the leading edge previously had a uniform depth throughout its span, it is now swept back in the outer portion to meet regulatory requirements.
The changes that have been made likely provide additional refuge for the flow approaching the entrance from the turbulence generated by the front tire, an approach that the entire grid used in one form or another under previous regulations. .
The concept, which was first introduced by Ferrari in 2017, required a low-slung SIS position which then allowed for the periscope-style entry position.
Technical details of the Red Bull Racing RB19
Photo by: Giorgio Piola
Internally, we can see that the team has made changes to the shape of the ducts, the position of the coolers and other accessories housed inside.
These modifications also make it possible to review the shape of the bodywork which forms the undercut and the side of the sidepod, working hand in hand with the modifications made to the entrance.
A relatively small modification has also been made to the exterior mirror housing with an indentation placed where it connects to the horizontal bracket, which changes the airflow behavior around the assembly and therefore has also a downstream influence.
Although some predict that Red Bull could continue the waterslide solution adopted by Aston Martin and Alpine, Red Bull avoided this.
Instead, it refined the pre-existing contours, with the crimp line along the side of the body and the more simplistic downwash-style ramp both retained.
Given the demands posed by the Hungaroring, more cooling was opened up in the bodywork, with a small cooling panel used at the top of the sidepod.
There are also much more generous cooling vents fitted to the shoulder of the engine cover shelf and a larger downward facing outlet positioned in front of the front upper arm of the rear triangle.
There is also a change in approach when it comes to the size and shape of the shark fin. Its relationship to the cutout in the engine cover spine behind it has been refined, with the cooling outlet below it now more aggressively denied.