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GP Week : Issue 183
43 GPWEEK.com // 43 GPWEEK.com // PARTNERS: F1 >>> MONACO As we anticipated in our tech report from Spain, Monaco is a one off track, in terms of cars development. As it is well known on the Principality circuit, high downforce levels are paramount as well an increased steering angle to improve the cornering capabilities of the cars in the tight corners such as the Monte Carlo Grand Hotel (formerly Loews) and Rascasse. Hence not many proper development changes were expected, but a couple of teams among the top ones, were pretty active in terms of not just adapting their cars to the needs of this track. Ferrari and Mercedes, in fact brought some tiny changes that it is very likely will be carried on the cars in other events. The front wing of the F1 W04 in fact sported a revised cascade of winglets, reflecting the latest development carried in this area by Mercedes in the previous races. In detail, the upper more external winglet placed on top of the main front wing profile, maintained the same shape and an additional twisty profile that was introduced few races ago. But the area of the surface was dramatically increased to cope with the downforce needs of this track, but also with the needs of the next one, as this element , brings additional downforce, but at the same time doesn’t disrupt the efficiency of the wing, paramount in the long straight of Montreal. The same kind of development was carried on the innermost winglet, that kept its profile but sported an increased surface, following the principle just explained. An interesting development was tried by Ferrari on the beam profile of the rear wing. In fact, the winglet generally called the’monkey seat,’ placed on top of it now featured an interesting assembly. The small endplates that act also as small pillars of this winglet, now featured a slit dividing the horizontal profile from the flap. This kind of solution recalls the one adopted few years ago by Renault for the main flap of the rear wing. The principle followed helps in terms of reducing the aero blocking, usually generating vortices in the corners linking the flap to the endplates. In Canada we will likely see significant development on brake cooling drums, another crucial area not just in terms of reliability but also in terms of aero efficiency, as the hot flow generated under braking, if well diverted, may increase the downforce level of the cars. Monaco – downforce rules TECHNICAL PAOLO FILISETTI Technical Editor