Barcelona F1 test day four
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Williams and Russell dip into the 1m20s for the first time. It's a 1m20.997s, just over 1.3s slower than Stroll's next best time.
A smokey Ferrari emerges from the pits on the yellow-sided C3 tyre.
Hulkenberg is out for more running in the Renault and is using the C3 tyre.
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Tyre choice on track:
C1: Norris
C2: Stroll
C3: Giovinazzi, Russell, Hulkenberg, Leclerc
C1: Norris
C2: Stroll
C3: Giovinazzi, Russell, Hulkenberg, Leclerc
Russell backs off to let Stroll pass him at the final turn, then both drivers start a lap.
Bottas pits after that lap on the C5s, Mercedes' best time at the test so far.
Bottas is out on the C5, the softest tyre, and he sets a 1m17.857s. That's just over two tenths slower than Albon's session best so far.
Russell goes faster than Kubica with his second proper lap. It's a 1m21.287s for the reigning Formula 2 champion.
Russell sets a 1m23.018s.
Bottas joins the circuit, while Russell could complete his first lap of the day for Williams.
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Tyre choice on track:
C1: Norris
C2: Albon, Stroll
C3: Russell
C1: Norris
C2: Albon, Stroll
C3: Russell
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Stroll has also headed out onto the track on the C2, Russell is on the C3.
Russell is out in the Williams. He's done an install lap this afternoon, let's hope we see some proper running now.
Scott Mitchell
I’m sure Williams would have liked to get Russell on-track sooner than this. When a team is splitting its running across drivers there is inevitably the potential for a delay, even with a lunchbreak to commence preparations. Seat/pedal adjustments take time after all.
But most other teams handle this without much of a setback – Magnussen has managed 34 laps in the Haas, and Bottas has 23 laps to his name. Hulkenberg has completed 12 since taking over the Renault.
We know Williams is running in a “compromised” manner today, to use Kubica’s terminology, but at this rate they are going to end the first test with fewer laps than most teams had after the first day.
But most other teams handle this without much of a setback – Magnussen has managed 34 laps in the Haas, and Bottas has 23 laps to his name. Hulkenberg has completed 12 since taking over the Renault.
We know Williams is running in a “compromised” manner today, to use Kubica’s terminology, but at this rate they are going to end the first test with fewer laps than most teams had after the first day.
And now Hulkenberg pits the Renault, which is under 50 total laps for the day so far.
Hulkenberg starts this C3 run with a new personal best - he's up to eighth with a 1m18.649s.
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Hulkenberg is back out for another run - this time on the C3 tyres.
Norris has headed out for a run on the lesser-spotted C1 tyre.
Two more 15-lap runs for Leclerc and Gasly there, at the same time and on the same tyre. This time Leclerc's average was better - 1m22.5s, while Gasly's was 1m22.7s if you omit the cooldown lap he did after pushing on the first one. Considering Gasly's first lap was 2.4s faster than Leclerc's, that illustrates how much sharper his drop-off was for the second stint in succession.
If you remove Gasly's 1m18.7s from the start of the run (his fastest time of the day), his average goes up to 1m23.0s, with a drop off across the stint of three seconds per lap. Leclerc's drop off across all 15 laps was 2.2s.
If you remove Gasly's 1m18.7s from the start of the run (his fastest time of the day), his average goes up to 1m23.0s, with a drop off across the stint of three seconds per lap. Leclerc's drop off across all 15 laps was 2.2s.
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Just two hours to go and it's still Leclerc on top in the lap trophy stakes.
Leclerc - 113
Giovinazzi - 107
Gasly - 103
Norris - 88
Albon - 82
Grosjean - 64
Stroll - 59
Hamilton - 58
Kubica - 48
Ricciardo - 34
Magnussen - 34
Bottas - 23
Hulkenberg - 9
Russell - 1
Leclerc - 113
Giovinazzi - 107
Gasly - 103
Norris - 88
Albon - 82
Grosjean - 64
Stroll - 59
Hamilton - 58
Kubica - 48
Ricciardo - 34
Magnussen - 34
Bottas - 23
Hulkenberg - 9
Russell - 1
The Williams is back on track - Russell has taken over from Kubica for the afternoon.
Magnussen is back out on C3s and improves to a 1m18.7s - he stays eighth.
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Gary Anderson
The Ferrari able to put half a tyre on the inside kerb at Campsa (T9) but it’s very stable. Others are having to give it a wide berth.
Gasly comes back in, and is wheeled into the garage.
Giovinazzi is back out and has clocked his 100th lap. He's on the C2 tyres at the moment, lapping in the low 1m23s.
Bottas is back out on what looked like another set of the red-marked tyres.
Pitstop practice for Norris at McLaren, and he comes to a halt with a wonky slide that will have alarmed his crew!
Gasly collects data on his latest long run for Red Bull
Hulkenberg improves to a 1m20.095s on his C2s.
Gasly and Leclerc continue to circulate on their long C3 runs. Albon has joined in, while Norris is having a quick run through the pitlane.
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Hulkenberg moves straight ahead of Kubica with his first timed lap of the day - a 1m20.820s on C2 tyres.
Hulkenberg heads out for his first lap of the day in the Renault.
Magnussen's most recent lap is 0.006s shy of his best. He gave up nearly a tenth across the first two sectors, then put in a personal best final sector.
C2 tyres for Stroll at the moment, as he backs off after setting his fastest lap of the day.
At the other end of the timing screen, Stroll puts in a new personal best of 1m19.664s.
By: Geoff Creighton
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