Also at Renault is the new rear wing, that similarly to McLaren's is a fully horizontal element. In contrast, previous rear wings at Renault had its main flap curved upwards in the centre of the car. It appears as if this simpler wing generates less drag, a feature that is highly needed at both American circuits. We may expect the curvatious wings to reappear at Magny-Cours, France.
Formula One car development blog
Flexing and stalling wings have been a hot topic in F1 this year. While Ferrari and BMW were asked to strengthen their rear wings, some of the designs also feature a movable wing so that the slot gap between the two horizontal elements gets closed and hence makes the wing stall. In order to prevent these performance gains, the FIA mandated slot spacers that prevent the gap to be closed. It is for all teams a carbon element that connect to both the upper and lower element and makes t... Read more