A little observation about Kubica. His Tuesday time was set on lap three of a 12-lap run; Sirotkin's on the last lap of a nine-lap run. IF they had similar fuel loads, fuel-corrected Kubica's advantage goes out from 0.327secs to about 0.8secs. Kubica says times "irrelevant" 1/?

— Andrew Benson (@andrewbensonf1) February 28, 2018