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GP Week : 01-Sep-2009
Technical Update: Round JUST one week separated Valencia from Spa, but thanks to the completely di erent aero set up requirements of the two tracks, it was possible to see many changes on the cars in Belgium. Most of them will likely be used in Monza as well, notably those that were just tested in practice and not used in qualifying and race. For now we will just have a closer look at a few of the ones that were raced last weekend, continuing our analysis on the remaining tweaks in two weeks time. 1 -- McLaren font wing An interesting development of the MP4/24 front wing was revealed in Spa. The wing assembly featured a completely revised endplate, that was characterised by the upper section of the endplates being placed outwardly, compared to its lower section. To better explain, we could say that it is the same design principle of the Brawn's endplates, but reverted upside down. The upper section is also connected to the additional sinuous profiles, connected also to the main profile, to avoid bending. The new design of the endplates helps in terms of cleaning the airflow around the front tyres. Furthermore, the more outward position of the upper section helps in terms of increased section of the wing, increasing downforce. 2 -- Red Bull front wing Red Bull modi ed its front wing directly in the garage at Spa. The upper additional double sinuous element has been changed into a two- piece assembly, kept together by means of an intermediate vertical plate. The bigger section close to the endplates produces an increased downforce load. The inner section doesn't changes its function as airflow rectifier. 3 -- Brawn front wing At the end of the weekend in Spa, we can say that only a very small change was e ectively introduced on the BGP 01, while an huge array of modi cations were tested and compared during practices. Those elements, being part of a low downforce package, we will likely see in Monza again in two weeks time. The small change we are talking about is an additional vertical fin placed on the outermost section of the endplates. This new element helps in terms of turbulence reduction, by diverting outwardly the airflow, otherwise impacting the front tyres in a more efficient way. 1 10