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Just done a quick experiment with my tyre temperature theory, this is with the settings for qualifying in a custom race.
Driving a flat out outlap the flying lap was a 1:32.660, with a slow outlap 1:32.365. Both laps felt about the same so I'm sure most of the difference is down to tyre grip. 3 tenths (almost all of that came from T1 and 135R after the esses) is too much to be one laps tyre wear since the drop off doesn't look too bad, I'm convinced now it's the front tyres being too hot through the long left handers. In the race we'll just have to deal with what we have but there is good time to be gained in qualifying.
Edit: Experiment part 2: You can drive a flat out lap then follow it up with a slow lap to cool the tyres before your next hot lap and the tyre grip will come back up to pretty much the original level. that pretty much confirms the temperature thing.
Driving a flat out outlap the flying lap was a 1:32.660, with a slow outlap 1:32.365. Both laps felt about the same so I'm sure most of the difference is down to tyre grip. 3 tenths (almost all of that came from T1 and 135R after the esses) is too much to be one laps tyre wear since the drop off doesn't look too bad, I'm convinced now it's the front tyres being too hot through the long left handers. In the race we'll just have to deal with what we have but there is good time to be gained in qualifying.
Edit: Experiment part 2: You can drive a flat out lap then follow it up with a slow lap to cool the tyres before your next hot lap and the tyre grip will come back up to pretty much the original level. that pretty much confirms the temperature thing.
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