Good point James_mc!
The speed trap for Spa is at Radillion, right after Eau Rouge so that might be a reason why. I know that the RB7 can deploy it’s DRS well before the opposition thanks to it’s rear downforce like Turn 10 China, 3rd apex of Turn 8 in Turkey and so on…
Perhaps the RB7 is just a better all round car than it’s previous iterations.
I would have personally liked a dry qualifying to see which cars could take Blanchiomont with DRS open!