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GP Week : Issue 99
Technical Update: Italian GP Monza is normally very simple -- low, low downforce. But the F-duct has complicated things. GPWEEK Technical Editor Paolo Filisetti explains Monza is a very unique circuit in the F1 calendar, featuring very long straights connected by tight chicanes and only few high speed corners, notably at Lesmo, and Parabolica. This unique layout impose a completely di erent set up from the aero point of view, with all teams normally adopting low downforce con guration. This year, however, the situation was changed by the adoption of the F- duct. This device allowed most of the cars to run a higher level of downforce, useful on the fast corners, wheile generating reduced drag thanks to the F-duct itself. This was particularly interesting, especially as it allowed us to make direct comparison in terms of performance between the cars that adopted the F-duct, although modi ed, and Lewis Hamilton, who decided to not run this device. We can say that, simply, the usual low downforce set up, seen in the past in Monza is no longer necessary, or at least less extreme than in the past. Let's have a look to the solutions on show in Monza: Ferrari After a long back-to-back comparison, during Friday and Saturday practices, of the rear wing con guration in Monza, the Italian team ran the same low-downforce package on both F10s. The rear wing worked together with a modi ed revised F-duct, featuring a much smaller pipe inside the engine cover. Also, the wing itself was modi ed, featuring a smaller ap with a completely at pro le. The main wing pro le was also completely at. Renault In Monza, Renault ran a new front wing, based on the previous version, but simpli ed with no upper aps and a multiple endplate section, as seen in previous events. The 'V' cut in the main ap has the function of vortex generator which energises the air ow under the car's central section. McLaren McLaren ran two di erent aero set-ups for the Monza race. While Button used the F-duct and the same rear wing adopted in Belgium, Hamilton adopted a very low-downforce rear wing. This one is a sort of mix, adopting last year's end plates. The F- duct was removed also utilising a shorter engine cover. 14 F1 NEWS >>