Why some teams chose a two-stop race during US Grand Prix

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By no means a classic, Sunday U.S. Grand Prix was all about controlling lap times to achieve strategic objectives.

Pirelli opted to bring the hardest two compounds in their 2013 range to Texas. Combined with a track surface that’s not too abrasive, that meant that the fastest way from lights to flag was always going to be a one-stop race, as it was last year.

Degradation of the tires was relatively low overall, but teams had to spend Friday and Saturday collecting as much data as possible on both medium and hard compounds, to calculate their optimum race pace and the right point in the Grand Prix to switch between them.

While I suspect everyone set out with the intention of completing just one pitstop, we did see a few opting to make two, in either an attempt to free themselves from early race traffic and run shorter stints in clear air at a faster pace, or because of poor tire management and running out of grip with a handful of laps still to go.

Those that tried to free up their races with two stops did so because they had no real choice. To run for long spells in queues of traffic overheats the car, hurts the tires much more and can lose way too much overall race time. DRS often gives little advantage when a string of cars all benefit from its usage at the same time and on a track that only really has two clear cut overtaking places, being held up like this can frustrate drivers to the point of making mistakes. It’s often more advantageous to abort plan A, even though theoretically quicker, to put your driver onto a different part of the race track with some fresh tires and tell him to go for it.

It’s no surprise that the guys at the front of the field all stuck with their one stop plan and managed to go as deep into the race as possible on the medium compound, to minimize the risk of getting into trouble with the hard compound towards the end. It was a safe, relatively risk free strategy that the front runners were all able to deploy as the field spaced out enough to ease pressure on each of them.

The early safety car of course played right into the hands of those on the one stop race, allowing them three less racing laps with which to take life from their used medium tires.

The main strategic decisions then, came from teams and drivers managing the use of their tires, knowing when to push and when to hold back, when to deploy KERS and when make the switch between compounds. This is where the work from Friday’s practice sessions really paid off and those that had the best understanding were able to be pro-active, whereas those who were caught out by changing conditions, higher fuel loads or race traffic, could do nothing but react.

There were the normal mixture of successes and failures at the Circuit Of The Americas, but one thing that’s become thoroughly normal in recent times is that Sebastian Vettel and his entire Red Bull team got things exactly spot on again.

A great start, laptimes managed to perfection to deliver optimum stint lengths and the guys in the pitlane even managed a new world record pitstop time on the sister car of Mark Webber. All in all, a decent day at the office.

Vettel leads Raikkonen home for Monaco GP win, ends Ferrari’s drought

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Sebastian Vettel extended his lead at the top of the Formula 1 drivers’ championship by taking his third win of the 2017 season in Sunday’s Monaco Grand Prix, heading up a one-two finish for Ferrari ahead of teammate Kimi Raikkonen.

After trailing Raikkonen throughout the first stint of the race, Vettel managed to extend his first stint out longer than his Finnish counterpart and produce a series of quick laps to get the jump through the pit stop cycle.

Vettel emerged from the pits in the lead and never looked back, storming clear to clinch his second Monaco Grand Prix victory and end Ferrari’s victory drought in the principality that dated back to 2001.

Raikkonen controlled the early part of the race for Ferrari, running two seconds clear of Vettel at one stage before the German was able to reel his teammate in ahead of the pit stop cycle.

Raikkonen pitted first, with Vettel opting to push on for another three laps, pumping in a series of quick times that ultimately decided the race.

After coming to switch to super-soft tires, Vettel emerged from the pits ahead of Raikkonen before quickly creating a gap that proved too great for the Finn to bridge, even with the assistance of a late safety car.

The race to complete the podium saw Red Bull and Mercedes enter a strategic battle, with Valtteri Bottas running P3 through the first stint. Red Bull pitted fourth-placed Max Verstappen early, forcing Mercedes to bring Bottas in one lap later to cover.

Bottas stayed ahead of Verstappen, but with the pair losing time behind Carlos Sainz Jr., Daniel Ricciardo was able to leapfrog both when, like Vettel, he pitted later, allowing him to vault ahead into third place.

With Vettel streaming clear at the front, Raikkonen soon found himself coming under pressure from Ricciardo for second, setting the stage for a tense battle through the closing stages.

Vettel’s lead was wiped away with 17 laps to go, though, when the safety car was deployed following a strange incident involving Pascal Wehrlein and Jenson Button at Portier.

Button tried overtaking at one of the tightest points of the circuit, resulting in contact that sent Wehrlein’s car into the air. The Sauber C36 came to rest on its side up against the wall, sparking concern for Wehrlein’s condition. The German quickly reported he was OK, just unable to get out of the car due to where his car came to rest. He was quickly taken away to the medical centre for further checks.

The safety car period was extended when Wehrlein’s teammate, Marcus Ericsson, crashed his car after being given the wave-by to unlap himself.

The race returned to green with 12 laps to go with Vettel still leading, but it was Max Verstappen who was the man to watch. Having taken a free pit stop under the safety car and switched to ultra-soft tires, the Dutchman began to pile pressure on Ricciardo and Bottas ahead, keen to complete the podium.

Ricciardo gave his teammate a look-in when he ran wide at Turn 1 on the restart, clipping the wall in the process, but the Australian soon recovered and kept calm to clinch third place. Bottas did well to keep Verstappen at bay for fourth, with the flying Dutchman taking P5 for his first points and, indeed, finish in Monaco.

Carlos Sainz Jr. made good on a strong weekend for Toro Rosso by crossing the line sixth ahead of Lewis Hamilton, who could not rise any higher than seventh after his qualifying disaster. A long first stint allowed the Briton to jump from 13th on the grid to inside the top 10, but he was powerless to stop Vettel extending his title lead to 25 points.

Haas enjoyed its best weekend in F1 to date as it notched its first double-points finish. Romain Grosjean finished eighth, while Kevin Magnussen recovered from an extra pit stop to finish 10th. The pair were split by Williams’ Felipe Massa, who was ninth at the line.

Jolyon Palmer was the sole finisher for Renault in P11 after seeing teammate Nico Hulkenberg retire early on due to a gearbox failure.

Force India had a weekend to forget as Esteban Ocon and Sergio Perez both hit trouble during the race, leaving them 12th and 13th respectively. The result marked an end to Perez’s 15-race streak of points, which had been the longest active run on the grid, with a late tangle with Daniil Kvyat forcing the Russian to retire.

Jenson Button’s comeback weekend ended just as his original goodbye race in Abu Dhabi did last November as he was forced to retire following the clash with Wehrlein. Teammate Stoffel Vandoorne had been on for points, only to crash at Turn 1 after a mistake on the restart after the safety car.

Formula 1 returns in two weeks’ time with its first visit of the year to North America, venturing to Montreal for the Canadian Grand Prix.

Button gets pre-race radio message from Alonso in Indianapolis (VIDEO)

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Jenson Button was given a special message by Fernando Alonso live from Indianapolis ahead of his one-off Formula 1 return in Monaco on Sunday just seconds before lights out.

Button stepped away from racing full-time in F1 at the end of last year, but was drafted in by McLaren to race in Monaco when Alonso secured a deal to enter the 101st Indianapolis 500.

Button qualified ninth in Monaco despite not having driven the McLaren-Honda MCL32 car until Thursday, only to be sent to the back of the grid due to a power unit penalty.

McLaren decided to start Button from the pit lane instead, with the Briton getting a special radio message from Alonso – who is up and watching the race in Indianapolis – as he left the garage.

Alonso wished Button the best of luck before telling him: “Look after my car!” Button responded by saying: “OK, I’ll pee in the seat!”

Button to start Monaco GP from pit lane after floor change

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Jenson Button will start his one-off comeback Formula 1 race in Monaco from the pit lane after McLaren opted to change the floor on his car after qualifying.

Button was drafted in by McLaren for the Monaco Grand Prix weekend following Fernando Alonso’s decision to race in the 101st Indianapolis 500, with the Briton previously stepping away from F1 at the end of last year.

Despite having no prior testing heading into the weekend, Button was quick to tame the McLaren-Honda MCL32 car, taking it to ninth place in qualifying.

A 15-place grid penalty for changes to his power unit resigned Button to the back of the grid for the race, prompting McLaren to make setup alterations overnight and favor a pit lane start for Button.

“As the floor is different from the one originally used in qualifying the competitor is required to start from the pit lane,” the FIA race stewards said in a bulletin ahead of the race.

Marcus Ericsson has also been handed a five-place grid penalty for a gearbox change. The Sauber driver’s qualifying position remains unchanged, though, by virtue of finishing 19th.

The Monaco Grand Prix is live on NBC and the NBC Sports app from 7:30am ET on Sunday.

2017 Monaco Grand Prix – Starting Grid

1. Kimi Raikkonen Ferrari
2. Sebastian Vettel Ferrari
3. Valtteri Bottas Mercedes
4. Max Verstappen Red Bull
5. Daniel Ricciardo Red Bull
6. Carlos Sainz Jr. Toro Rosso
7. Sergio Perez Force India
8. Romain Grosjean Haas
9. Daniil Kvyat Toro Rosso
10. Nico Hulkenberg Renault
11. Kevin Magnussen Haas
12. Stoffel Vandoorne McLaren
13. Lewis Hamilton Mercedes
14. Felipe Massa Williams
15. Esteban Ocon Force India
16. Jolyon Palmer Renault
17. Lance Stroll Williams
18. Pascal Wehrlein Sauber
19. Marcus Ericsson Sauber
PL. Jenson Button McLaren

Wolff can see Hamilton finishing F1 career with Mercedes

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Mercedes Formula 1 chief Toto Wolff says he can see three-time world champion Lewis Hamilton completing the rest of his career with the team, something he did not think would happen one year ago.

Hamilton has raced with Mercedes since 2013, claiming two F1 drivers’ titles in that time and the majority of his grand prix victories.

Hamilton is currently in the second of his three-year contract with Mercedes, and will be 33 upon its expiration at the end of next season.

Speaking to the Daily Mail, Wolff said he could see Hamilton remaining at the team “forever”, believing their relationship to be stronger than ever.

“If you would have asked me the same question one year ago, I would not have been very optimistic, but now it is different,” Wolff said.

“I have the feeling that it can’t be much better in a different place, for him and for us.

“This is very strong now, and I am not speaking only about on-track performance because there are going to be difficult moments, but I am speaking about the relationship.

“After five years, this relationship has become so strong in a way that it wasn’t last season. For Lewis it will be important to see whether we are competitive or not.

“But at the moment there is such a solid basis that I can imagine it going on forever.”

Wolff believes there has been a shift for Hamilton in the wake of Nico Rosberg’s departure from the team at the end of 2016 following the German’s world title win.

Hamilton and Rosberg enjoyed a frosty rivalry that saw them clash a number of times on-track, with the latter’s exit helping to ease some of the tension within the team.

“Definitely the biggest positive development I have seen between 2013 and now happened over the winter and after Nico left the team,” Wolff said.

“Drivers are sometimes viewed within teams as contractors and they will always look after their own agenda rather than the team’s interest.

“But Lewis is now in his fifth year with us and that has changed. He has become a part of the team.

“I would not use the world team player because that goes against the DNA of a racing driver, but I think he has realized, acknowledged and respects the whole effort that is happening in the team.

“Somehow it has become natural, he towards the team, and the team towards him. We have built a trustful relationship.”