![Image](http://i.imgur.com/08mZJQz.jpg)
We also know that the DRS flaps are likely to be equal in size, which shows that the Merc is running a shallower rear wing than the McL/max regulation state. So perhaps they really do have enough rear downforce. (Something that RBR have done the past few years)
(RB10 is similar to the McLaren in sidepod height, dont have the patience to align these up in GIMP on a trackpad: http://www.formule1.nl/media/uploads/me ... 862.44.jpg)