Hamilton quick but Red Bull strong in stints

2011 Brazilian GP practice analysis

Mark Webber, Red Bull, Interlagos, 2011

Mark Webber, Red Bull, Interlagos, 2011

Lewis Hamilton was fastest in the second session and said he was happy with his car’s long-run pace.

But he added he is wary about Red Bull’s potential: “Degradation on the new [soft] tyre seems pretty acceptable; I was still doing decent times at the end of my run. I think there?s still a bit more to come, but we?re looking strong for the rest of the weekend.

“I also felt quite comfortable with the set-up changes we made going into this afternoon?s session, and our long runs seem to be pretty competitive too. You never know what the Red Bulls are doing, but I’m comfortable that we?re there or thereabouts.”

Looking at the data below, a dozen laps into their stints both Red Bull drivers were able to lap closer to their original times than Hamilton was.

That, combined Red Bull’s tendency to hide more of their true pace on Friday, indicates the RB7s are once again in a strong position this weekend.

Here’s the data from the first two practice sessions.

Longest stint comparison – second session

  • Pirelli believe the soft tyre will last for up to 25 laps and the medium 35 laps, with the soft tyre around 0.8s/lap faster.

This chart shows all the drivers’ lap times (in seconds) during their longest unbroken stint:

http://www.f1fanatic.co.uk/charts/2011drivercolours.csv

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Sebastian Vettel 78.602 77.96 77.622 77.849 79.64 79.348 78.184 79.001 79.309 78.089 77.121 77.192 77.921 77.236
Mark Webber 78.206 77.665 77.942 77.624 77.819 77.699 80.035 77.481 80.136 76.994 76.833 83.964 76.988 76.908
Lewis Hamilton 78.691 78.324 78.238 81.483 81.277 78.986 78.435 83.57 77.964 79.835 77.829 79.64 78.265 78.536
Jenson Button 79.363 83.07 78.675 78.667 79.336 78.412 78.408 78.885 78.456 79.396
Fernando Alonso 80.536 73.9 73.96 80.699 73.732 79.579 73.598
Felipe Massa 78.79 78.116 78.939 79.712 78.455 81.583 77.987 79.135 77.959 78.44 78.303 78.192
Michael Schumacher 79.447 79.101 79.057 88.135 78.744 78.786 79.181 79.183 79.535 89.983 82.516 80.118 81.258
Nico Rosberg 79.017 78.95 78.692 78.756 79.021 78.866 79.044 78.86 78.982 79.573 80.036
Bruno Senna 78.484 76.883 77.201 78.886 77.104 76.834
Vitaly Petrov 81.466 81.389 81.688 81.539 79.687 79.068 79.336 80.397
Rubens Barrichello 80.437 80.128 81.747 87.436 82.325 82.262 80.81 88.818 80.344 86.846 79.788 87.773 82.17
Pastor Maldonado 80.919 80.162 79.616 79.584 80.12 79.764 81.866 81.289 81.12 80.947 89.003 81.401 81.318 80.146 80.524 80.629
Adrian Sutil 78.687 79.852 79.712 79.559 79.111 78.56 78.964 78.361 79.067 78.529 78.305
Paul di Resta 79.713 78.852 78.712 78.587 78.604 78.507 78.3 80.156 80.216 80.04 81.745 79.067 79.719 79.408 78.621 79.789 81.391 78.914
Kamui Kobayashi 79.691 82.381 79.444 81.43 81.451 82.098 79.495 79.227 79.499
Sergio Perez 76.435 75.873 80.679 75.719 79.669 75.849
Sebastien Buemi 79.595 79.515 79.301 79.286 79.573 81.02 80.307 83.432 80.074 82.241 82.587 79.513 82.242 79.575 79.507
Jaime Alguersuari 80.204 80.052 79.893 79.617 81.618 79.59 79.857 79.862 79.931 81.448 81.34 80.516 84.203 82.244 82.809 81.542 81.383
Heikki Kovalainen 79.538 79.609 79.668 79.652 79.869 84.188 79.992 80.23 81.995 81.241 82.429 80.693 81.8 85.282
Jarno Trulli 80.062 80.983 83.997 80.532 80.855 83.281 82.439 84.96 82.92 80.277 80.191
Daniel Ricciardo 81.74 83.055 83.175 81.618 81.601 83.884 82.004 85.497 82.35 81.239 81.551 81.157 81.153 81.346
Vitantonio Liuzzi 80.773 80.529 81.191 82.414 82.302 82.495 81.945 81.903 82.032 81.706 81.134 81.694 80.932
Timo Glock 81.578 81.006 80.866 81.149 80.873 81.454 80.961 82.814 83.266 81.982 82.261 83.482 93.073 81.097 80.796 81.033 80.55
Jerome d’Ambrosio 82.866 82.615 83.281 82.531 81.899 82.012 82.228 82.925 82.176 82.032 82.336 82.013

Ultimate lap times – second session

An ultimate lap is a driver’s fastest three sector times combined.

  • Lotus continue to move away from Virgin and HRT and closer to the midfield. A new rear wing design brought them within half a second of Williams over the three sectors, and over a second-and-a-half faster than Virgin.
  • Jarno Trulli said: “We need to do a bit of work on fine tuning the balance, and I think there?s more to come from the new rear wing, but the update is working and hopefully we can show in qualifying the sort of pace we?ve had recently in the races”
Car Driver Car Ultimate lap Gap Deficit to best
1 3 Lewis Hamilton McLaren-Mercedes 1’13.392 0.000
2 1 Sebastian Vettel Red Bull-Renault 1’13.550 0.158 0.009
3 2 Mark Webber Red Bull-Renault 1’13.582 0.190 0.005
4 5 Fernando Alonso Ferrari 1’13.595 0.203 0.003
5 4 Jenson Button McLaren-Mercedes 1’13.621 0.229 0.166
6 7 Michael Schumacher Mercedes 1’13.723 0.331 0.000
7 6 Felipe Massa Ferrari 1’13.729 0.337 0.021
8 8 Nico Rosberg Mercedes 1’13.821 0.429 0.051
9 14 Adrian Sutil Force India-Mercedes 1’14.144 0.752 0.000
10 15 Paul di Resta Force India-Mercedes 1’14.465 1.073 0.342
11 17 Sergio Perez Sauber-Ferrari 1’14.746 1.354 0.224
12 10 Vitaly Petrov Renault 1’14.789 1.397 0.067
13 9 Bruno Senna Renault 1’14.859 1.467 0.072
14 16 Kamui Kobayashi Sauber-Ferrari 1’14.980 1.588 0.039
15 19 Jaime Alguersuari Toro Rosso-Ferrari 1’15.139 1.747 0.249
16 18 Sebastien Buemi Toro Rosso-Ferrari 1’15.152 1.760 0.112
17 12 Pastor Maldonado Williams-Cosworth 1’15.404 2.012 0.275
18 11 Rubens Barrichello Williams-Cosworth 1’15.786 2.394 0.117
19 20 Heikki Kovalainen Lotus-Renault 1’16.176 2.784 0.162
20 21 Jarno Trulli Lotus-Renault 1’16.298 2.906 0.000
21 24 Timo Glock Virgin-Cosworth 1’17.975 4.583 0.076
22 25 Jerome D’Ambrosio Virgin-Cosworth 1’18.031 4.639 0.000
23 22 Daniel Ricciardo HRT-Cosworth 1’18.221 4.829 0.146
24 23 Vitantonio Liuzzi HRT-Cosworth 1’18.328 4.936 0.148

Complete practice times – first session

  • Both of today’s sessions were run in dry conditions – but as Paul di Resta notes there could be rain on the way: “It?s probably one of the best Fridays we?ve had in terms of collecting data ?ǣ although it remains to be seen how useful that information will be if the weather changes over the weekend.”
Car Driver Car Best lap Gap Stint lap At time Laps
1 2 Mark Webber Red Bull-Renault 1’13.811 3/5 73 26
2 4 Jenson Button McLaren-Mercedes 1’13.825 0.014 5/5 63 25
3 3 Lewis Hamilton McLaren-Mercedes 1’13.961 0.150 6/6 66 20
4 1 Sebastian Vettel Red Bull-Renault 1’14.025 0.214 8/8 44 28
5 6 Felipe Massa Ferrari 1’14.507 0.696 5/5 48 34
6 5 Fernando Alonso Ferrari 1’14.541 0.730 5/5 65 25
7 7 Michael Schumacher Mercedes 1’15.162 1.351 8/8 69 28
8 14 Nico Hulkenberg Force India-Mercedes 1’15.178 1.367 5/7 66 28
9 15 Paul di Resta Force India-Mercedes 1’15.241 1.430 7/8 69 31
10 8 Nico Rosberg Mercedes 1’15.321 1.510 1/5 60 29
11 19 Jaime Alguersuari Toro Rosso-Ferrari 1’15.468 1.657 8/8 38 29
12 10 Romain Grosjean Renault 1’15.547 1.736 6/6 48 17
13 11 Rubens Barrichello Williams-Cosworth 1’15.663 1.852 5/5 76 27
14 9 Bruno Senna Renault 1’15.732 1.921 6/6 70 32
15 16 Kamui Kobayashi Sauber-Ferrari 1’15.747 1.936 7/7 42 31
16 12 Pastor Maldonado Williams-Cosworth 1’15.836 2.025 6/7 69 27
17 17 Sergio Perez Sauber-Ferrari 1’15.979 2.168 5/6 74 35
18 18 Jean-Eric Vergne Toro Rosso-Ferrari 1’16.052 2.241 5/5 72 33
19 20 Heikki Kovalainen Lotus-Renault 1’16.514 2.703 9/9 93 33
20 21 Luiz Razia Lotus-Renault 1’17.595 3.784 1/9 80 31
21 24 Timo Glock Virgin-Cosworth 1’18.140 4.329 1/4 56 28
22 25 Jerome D’Ambrosio Virgin-Cosworth 1’18.653 4.842 5/5 64 29
23 22 Daniel Ricciardo HRT-Cosworth 1’18.952 5.141 6/6 70 33
24 23 Jan Charouz HRT-Cosworth 1’19.577 5.766 5/7 64 37

Complete practice times – second session

  • Lap times in the second session were almost one-and-a-half seconds slower than they were in 2011. “Maybe the tyres Pirelli have brought here are harder than the Bridgestones and also the temperatures are higher,” said Felipe Massa.
  • Massa’s team mate Fernando Alonso is concerned about the pace of the Mercedes: “I think that in the dry we are a bit less competitive than usual: I don?t think I can fight with the Red Bulls and McLarens and, on top of that, one of the Mercedes is very quick.”
  • Jan Charouz was satisfied with his first run in an F1 session: “I think I did quite a good job as I was pretty close to Daniel which was the main goal, I don?t think five tenths are too much.”
Car Driver Car Best lap Gap Stint lap At time Laps
1 3 Lewis Hamilton McLaren-Mercedes 1’13.392 3/3 59 35
2 1 Sebastian Vettel Red Bull-Renault 1’13.559 0.167 3/3 64 41
3 2 Mark Webber Red Bull-Renault 1’13.587 0.195 3/3 63 41
4 5 Fernando Alonso Ferrari 1’13.598 0.206 7/7 66 35
5 7 Michael Schumacher Mercedes 1’13.723 0.331 1/2 50 38
6 6 Felipe Massa Ferrari 1’13.750 0.358 1/1 61 39
7 4 Jenson Button McLaren-Mercedes 1’13.787 0.395 2/2 55 36
8 8 Nico Rosberg Mercedes 1’13.872 0.480 3/3 49 42
9 14 Adrian Sutil Force India-Mercedes 1’14.144 0.752 2/2 68 41
10 15 Paul di Resta Force India-Mercedes 1’14.807 1.415 2/4 55 48
11 10 Vitaly Petrov Renault 1’14.856 1.464 3/3 72 38
12 9 Bruno Senna Renault 1’14.931 1.539 4/4 70 37
13 17 Sergio Perez Sauber-Ferrari 1’14.970 1.578 5/5 61 31
14 16 Kamui Kobayashi Sauber-Ferrari 1’15.019 1.627 3/5 28 45
15 18 Sebastien Buemi Toro Rosso-Ferrari 1’15.264 1.872 1/5 48 44
16 19 Jaime Alguersuari Toro Rosso-Ferrari 1’15.388 1.996 5/6 47 41
17 12 Pastor Maldonado Williams-Cosworth 1’15.679 2.287 4/5 58 43
18 11 Rubens Barrichello Williams-Cosworth 1’15.903 2.511 4/5 57 40
19 21 Jarno Trulli Lotus-Renault 1’16.298 2.906 3/4 67 36
20 20 Heikki Kovalainen Lotus-Renault 1’16.338 2.946 7/7 61 48
21 25 Jerome D’Ambrosio Virgin-Cosworth 1’18.031 4.639 1/4 72 39
22 24 Timo Glock Virgin-Cosworth 1’18.051 4.659 3/4 57 44
23 22 Daniel Ricciardo HRT-Cosworth 1’18.367 4.975 2/6 52 42
24 23 Vitantonio Liuzzi HRT-Cosworth 1’18.476 5.084 3/6 56 42

Speed trap – second session

  • Toro Rosso were quickest through the speed traps as they have been in several recent races. Jaime Alguersauri said: “We experimented with different levels of downforce over the two sessions and I think I felt happier with the car?s behaviour in the morning, although we will have to assess the data before making a decision about this element of the package.”
# Driver Car Engine Max speed Gap
1 18 Sebastien Buemi Toro Rosso Ferrari 318.4
2 19 Jaime Alguersuari Toro Rosso Ferrari 317.3 1.1
3 17 Sergio Perez Sauber Ferrari 312.8 5.6
4 11 Rubens Barrichello Williams Cosworth 312.6 5.8
5 15 Paul di Resta Force India Mercedes 311.1 7.3
6 9 Bruno Senna Renault Renault 310.8 7.6
7 14 Adrian Sutil Force India Mercedes 310.8 7.6
8 12 Pastor Maldonado Williams Cosworth 310.2 8.2
9 16 Kamui Kobayashi Sauber Ferrari 309.9 8.5
10 5 Fernando Alonso Ferrari Ferrari 309.6 8.8
11 10 Vitaly Petrov Renault Renault 309.2 9.2
12 8 Nico Rosberg Mercedes Mercedes 309 9.4
13 2 Mark Webber Red Bull Renault 309 9.4
14 6 Felipe Massa Ferrari Ferrari 308.7 9.7
15 7 Michael Schumacher Mercedes Mercedes 308.3 10.1
16 3 Lewis Hamilton McLaren Mercedes 307.6 10.8
17 1 Sebastian Vettel Red Bull Renault 307.2 11.2
18 22 Daniel Ricciardo HRT Cosworth 306.5 11.9
19 4 Jenson Button McLaren Mercedes 306.4 12
20 20 Heikki Kovalainen Lotus Renault 305.6 12.8
21 21 Jarno Trulli Lotus Renault 303.7 14.7
22 23 Vitantonio Liuzzi HRT Cosworth 303.4 15
23 24 Timo Glock Virgin Cosworth 301.6 16.8
24 25 Jerome D’Ambrosio Virgin Cosworth 301.1 17.3

2011 Brazilian Grand Prix

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21 comments on Hamilton quick but Red Bull strong in stints

  1. Becken Lima (@becken-lima) said on 25th November 2011, 21:17

    Very interesting observation from James Allen:

    “…Red Bull tends to do its long runs using the fuel load it would typically start the second stint of the race with, while McLaren tend to run with full tanks. Allowing for the difference in weight their lap times are closely matched…”

    It will be tight (at least I hope so!).

    • Atticus (@atticus-2) said on 25th November 2011, 22:02

      Nice find.

      Is it just me or the ‘longest stint’ of Fernando is not a normal heavy fuel stint at all? I mean he was in and out of the pits even when others have been doing their runs at the end of FP2.

      He seems to be the the unknown variable for me this weekend so far.

      I can only hope he would match the pace of the Red Bulls and the McLarens come Sunday.

      Also Schumacher and Rosberg are very very closely matched on race pace. I expect Q pace to be in the latter’s favour tomorrow.

      • Mister said on 26th November 2011, 1:54

        He was testing a few 2012 parts, which compromised his set-up time. I hope he’s competitive on race day but based on his comments, he wont be challenging Red Bull or McLaren unless its wet.

  2. In FP2 Sauber were just ahead of Toro Rosso. STR usually has better pace in the races. The battle for 7th place in the Constructors’ Championship will be toughly fought for.

  3. Atticus (@atticus-2) said on 25th November 2011, 22:04

    What we can say for sure in terms of race pace is that in the in-team battles Hamilton seems to have the upper hand again over Button – but Vettel and Webber are more closely matched than before.

    • raymondu999 (@raymondu999) said on 26th November 2011, 2:59

      @atticus-2

      Vettel and Webber are more closely matched than before

      I wouldn’t hold my breath on that if i were you

      • Atticus (@atticus-2) said on 26th November 2011, 9:22

        Their long run lap times seems to be quite close. There aren’t different fuel loads among team mates, are there?

        Aside from that Vettel is able to squeeze out the time needed when it counts.

        That why he is probably the next ‘great’ after Schumacher. He has this ‘Vettel factor’. But then again Hamilton and Alonso have theirs, so it’s still up for grabs. Time will tell.

        • raymondu999 (@raymondu999) said on 26th November 2011, 9:27

          @atticus-2 Teams could very well run different fuel loads. That way you don’t only get 1 set of data to look at; but you get more sets of data to analyze.

          • STSCM (@stscm) said on 26th November 2011, 13:40

            You’re right, from an engineering perspective having both cars out doing the same thing makes no sense. Maybe Webbo was on a 1/2 tank while Vettel was full? Might explain the delta.

          • raymondu999 (@raymondu999) said on 26th November 2011, 13:43

            @stscm hard to say. When I was a track side engineer in another form of racing once upon a time, we would split the testing runs. However if Red Bull suspect tyre wear and/or degradation is very different between Mark and Sebastian; then they can’t really use the data from one guy for another.

  4. Younger Hamii (@younger-hamii) said on 25th November 2011, 22:35

    Lewis Hamilton was fastest in the second session and sad he was happy with his car’s long-run pace.

    Wow Mixed Feelings from Lewis there,Only Kidding Typo there Keith

  5. IDK if it’s a trend (like if they’ve been always so slower) but it looks like the back teams (HRT and Virgin; Lotus are slow usually AFAIremember) are setting up for wet.

  6. JK (@justingt5) said on 26th November 2011, 1:48

    Anyone know why the Torro Rosso’s were so much faster in FP2 than everyone else?

  7. Aussie Rod (@aussierod) said on 26th November 2011, 9:02

    Some interesting points to note… and a few predictions thrown in for good measure :)

    Alguersuari 6 tenths quicker than Vergne in FP1.
    Vergne won’t be on the grid in Australia IMO.

    Grosjean 2 tenths quicker than Senna in FP2.
    Senna won’t be in a Renault in Australia IMO (unfortunately as I am a fan…).

    Hulkenberg quicker 1 tenth than Di Resta in FP1.
    Hulkenberg to partner Di Resta at Force India next year IMO.

    Ricciardo quicker than Liuzzi, this really is becoming the norm now.
    Ricciardo in a STR next year, probably in place of Buemi which IMO would be rough as Buemi has been consistently a tenth or two ahead of Alguersuari from day one.

    • raymondu999 (@raymondu999) said on 26th November 2011, 9:22

      @aussierod Don’t forget Helmut Marko calls all the shots in terms of RB drivers. According to the latest rumors, 2012 will see Vergne-Alguersuari at STR, and Ricciardo will be farmed out to Caterham (in Trulli’s slot)

    • Atticus (@atticus-2) said on 26th November 2011, 9:34

      Yeah I kept an eye on the rookies as well.

      I wouldn’t judge Vergne so quickly. After only a couple of sessions Ricciardo was slower than Liuzzi too. The newbies need time. Not much – talent shines through, the bigger it is, the less time it needs, see also the debut of Alonso and Vettel. So yeah, Vergne maybe not a top driver, but I wouldn’t assess him right now.

      I agree on Ricciardo, he deserves a place, still, Liuzzi is not a hard driver to beat, I think.

      I agree on Grosjean as well, this is a clear cut case. Another successful season in GP2 may did him wonders. He seems to care less than Senna, a less serious guy based on the few glimps of FOM coverage – but he is instantly quicker.

      As for Force India, I agree, Hulkenberg is probably the best of the three on the long run, he generally outpaces either Sutil or di Resta, when he gets a chance. But as the season progrsses I’m not so assured di Resta owns Sutil. Di Resta made a lot of effort, concentrated so hard, gave so much energy to deliver at the beginning of the season, he could be more exhaused than Sutil. Sutil, meanwhile, seems to be less tranquil despite his recent upward trend. He was the one who made it no secret he wanted to know the line-up for next year – and it’s not a good sign. Perhaps he fears VM would choose di Resta and Nico – fears more than the latter two.

      • Aussie Rod (@aussierod) said on 26th November 2011, 10:31

        Yeah I agree with all that Atticus, and don’t get me wrong, I did not intend to judge Vergne, I don’t know enough about him.

        I do know James Allen is of the opinion that Ricciardo was more impressive in the Young Driver Test in ’10 than Vergne was this year (according to his sources at Red Bull), and hence more likely to get the STR drive in ’12.

        IMO Vergne’s only chance at a STR drive in ’12 was to really shine in Free Practice in these last two GPs but it doesn’t look like he has done enough. He needs more time and will get Friday practice in ’12 to hone his skills I’m sure.

        He’ll get his chance, but I stand by my opinion it won’t be in Australia in ’12.

  8. BasCB (@bascb) said on 26th November 2011, 10:34

    I like this

    Lotus continue to move away from Virgin and HRT and closer to the midfield. A new rear wing design brought them within half a second of Williams over the three sectors, and over a second-and-a-half faster than Virgin.
    Jarno Trulli said: “We need to do a bit of work on fine tuning the balance, and I think there’s more to come from the new rear wing, but the update is working and hopefully we can show in qualifying the sort of pace we’ve had recently in the races”

    Shows us how much all the talk about in season testing sessions would just mean we see less running on the fridays (as we had before they cut down on that).
    Only thing they should now do to allow new drivers to get some running time in the car is, to make it mandatory for each team to give their 3rd drivers (or just talents at random) a minimum amount of FP2 drives and pre-season testing days.
    That way we would see the likes of RBR, Ferrari, McLaren and Mercedes forced to give these guys some seat time as well and make it more likely a 3rd driver will actually be able to drive halfway competatively in case he’s needed.

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