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GP Week : Issue 86
Technical Update: Canadian GP Montreal, the first low-downforce circuit of the year, presents unique aero challenges, as GPWEEK Technical Editor Paulo Filisetti explains The Montreal track has a particular layout that emphasizes the rhythm as the most important feature. In particular is interesting to note that a low downforce configuration is needed due to the very long back straight but as well the cars must have a very good balance also in the slower section due to the violent braking points that characterise this track. Being a flyaway race most of the teams didn't incorporate many significant changes on the cars -- that will be be the norm in huge quantity in Valencia. Here most of the cars focused on improving their balance, taking into account a general need to reduce drag, and at the same time, paying attention to the brakes, that as we said above, plays a relevant role on this track. Being the first low downforce track of the season all the teams introduced for the first time their low downforce configuration, most achieveing the result by just adjusting their wings, while some of them introduced specific evolution for their wings. This was the case at Renault, which has developed its front wing at every race so far. The current (right) version is based on the Turkish one, but without the additional top squared profiles, featured at the previous race, and not useful here due to the low downforce required. Mercedes also modified its front wing, but in a more subtle way when compared to Renault. The German cars, in fact, sported a revised wing (top) , with modified endplates, in particular in the knife edge profile, whose arched section features a sort of sinuous vertical edge at the front so to better reduce turbulence. At the same time, it now has a metal tip at its lowest extremity a san aid in preventing its breaking. As discussed, Montreal is the toughest circuit for brakes. For this reason everybody adopts bigger brake ducts to improve cooling. Ferrari went further, changing its discs and pads, switching to Carbon Industries products, exactly as McLaren and Williams. F1 NEWS >> 14