Did they introduce the fuel graphic in the build up to the race? Did they explain it at all, because it would be interesting to know. Have they got a list of fuel used and they are just assuming 100kg's of fuel onboard and doing a percentage, or do the cars have to say how much fuel is on board before the race. Is the percentage what they are sending the FIA directly so it's calculated by the team, etc.
They didn't go beyond "it's fuel percentage init" during the race.
The fuel graphic is taken from the fuel flow sensor which is sent directly to FIA via telemetry, and is how much fuel they've used, not how much is left. Lap ~50 ism ham was on ~86kilos where vet was just over 90kilos.
There's no way to tell what fuel they started with or what they have left. Just how much they've used.
Since refilling was bad, they run the minimum fuel they can a fast driver can not make the weight penalty up. Last few years it's been 0.2-0.3 per kilo per lap which is huge amount of time, especially as your're carrying that fuel most of the race.
This year I've seen no estimated, but as the car is heavier and the fuel limit is lower, the time penalty is going to be less. Wouldn't be surprised if the penalty is half of last years.
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