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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, Raikkonen complete hot laps in Ferrari F1 cars at Daytona

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Sebastian Vettel and Kimi Raikkonen enjoyed their final Formula 1 run-outs of 2016 on Sunday at Daytona International Speedway, taking part in a special demonstration for the Ferrari Finali Mondiali.

The Finali Mondiali acts as the world final for the continental Ferrari Challenge series, bringing together competitors from the North America, Europe and Asia Pacific championships.

As part of the weekend’s running, Vettel and Raikkonen were on hand to complete demonstration laps behind the wheel of recent Ferrari F1 cars, with Vettel also completing some donuts in front of the main granstand at Daytona.

Here are some of the videos and pictures from the event.

Sebastian Vettel dismisses suggestion he could replace Rosberg at Mercedes

ABU DHABI, UNITED ARAB EMIRATES - NOVEMBER 27: Nico Rosberg of Germany and Mercedes GP is congratulated by Sebastian Vettel of Germany and Ferrari on the podium during the Abu Dhabi Formula One Grand Prix at Yas Marina Circuit on November 27, 2016 in Abu Dhabi, United Arab Emirates.  (Photo by Mark Thompson/Getty Images)
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Sebastian Vettel has brushed off suggestions that he could take Nico Rosberg’s vacant Formula 1 seat at Mercedes next year, saying his focus lies on working with Ferrari to improve on their 2016 season.

Rosberg sensationally announced on Friday that he would be retiring from F1 with immediate effect, just five days after winning his maiden World Championship.

Rosberg’s move has sent the driver market into a late flux, with Mercedes’ Niki Lauda claiming that half of the F1 grid has been in touch regarding the seat despite many of them having contracts.

Vettel has been named as a possible candidate for Rosberg’s seat despite having one year remaining on his Ferrari deal, but when speaking at the Finali Mondiali at Daytona International Speedway, the German stressed he is focused on his current commitments at Maranello.

“I think it’s no secret the fact that me and Kimi Raikkonen have a contract for next season,” Vettel is quoted as saying by La Gazzetta dello Sport.

“Kimi and I are already committed. In 2017 we will be competitive.

“We have not reached the goal this year, but now it will be important to do the job at the factory in the next two months.

“I am confident that we will definitely present an improved package.”

Vettel signed off with a message to Rosberg, wishing the retiring champion “happy holidays!”

Vettel finished 2016 fourth in the drivers’ championship without a win to his name as Ferrari struggled to keep up with Mercedes and Red Bull in the pecking order.

Mercedes is set to begin its search for a replacement on Monday, with the other big-name driver besides Vettel linked to the seat being McLaren’s Fernando Alonso.

Should Mercedes want to promote one of its junior drivers, Pascal Wehrlein and Esteban Ocon are both also available, although neither has more than a season of F1 experience.

Hamilton not chasing number one status at Mercedes after Rosberg exit

ABU DHABI, UNITED ARAB EMIRATES - NOVEMBER 25: Lewis Hamilton of Great Britain and Mercedes GP walks in the Paddock during practice for the Abu Dhabi Formula One Grand Prix at Yas Marina Circuit on November 25, 2016 in Abu Dhabi, United Arab Emirates.  (Photo by Clive Mason/Getty Images)
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Lewis Hamilton says he is not chasing number one driver status at Mercedes as the team begins its search for a replacement for Formula 1 World Champion Nico Rosberg.

Rosberg edged out Hamilton for the F1 drivers’ championship in Abu Dhabi last Sunday before sensationally announcing his immediate retirement from the sport five days later.

Mercedes has said it will take its time when looking for a replacement for Rosberg, with the majority of the F1 grid tied up contractually for 2017.

Fernando Alonso and Sebastian Vettel have both been linked with the Mercedes drive in the wake of Rosberg’s departure, leading to questions about whether Hamilton would want another big-name star alongside him.

Mercedes has always stressed that it does not have a number one driver, and Hamilton said that he would not insist on that changing when his new teammate arrives.

“I’ve never been a driver to ever request that,” Hamilton said when asked about number one status.

“I know a lot of the other drivers Sebastian, Fernando make sure that’s in their contract.

“I’ve just always asked to have equal rights. As long as we’re treated fairly, it doesn’t really matter who’s alongside you.

“But of course, we’ve got great team bosses, who I’m sure will choose the right people to be representing the brand.”

Whoever replaces Rosberg will become Hamilton’s fifth teammate in F1, the Briton having previously worked with Alonso, Heikki Kovalainen and Jenson Button during his time at McLaren before joining Mercedes in 2013.

Rosberg: Hamilton’s late-season form ‘the best Lewis I’ve ever seen’

ABU DHABI, UNITED ARAB EMIRATES - NOVEMBER 27: Lewis Hamilton of Great Britain driving the (44) Mercedes AMG Petronas F1 Team Mercedes F1 WO7 Mercedes PU106C Hybrid turbo neads Nico Rosberg of Germany driving the (6) Mercedes AMG Petronas F1 Team Mercedes F1 WO7 Mercedes PU106C Hybrid turbo on track  during the Abu Dhabi Formula One Grand Prix at Yas Marina Circuit on November 27, 2016 in Abu Dhabi, United Arab Emirates.  (Photo by Mark Thompson/Getty Images)
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Nico Rosberg believes that Lewis Hamilton produced some of the best performances of his career towards the end of the 2016 Formula 1 season when the Briton had nothing to lose in the championship fight.

Rosberg clinched his maiden F1 drivers’ championship by five points in Abu Dhabi last Sunday, defeating Hamilton for the first time during their time as teammates.

Rosberg closed out the season with four straight second place finishes, with Hamilton’s run of victories in the same period not being enough to catch up in the standings.

Speaking in a video produced by Mercedes after his championship win, Rosberg said that he felt the most pressure after his final win of the season in Japan, the result that meant he could wrap up the title without taking another victory.

“The changing moment was Suzuka for me, when all of a sudden I had the 33-point lead and that meant it was in my hands, and it’s mine to lose, because it was enough to do second-second-second and third,” Rosberg said.

“That’s when really the pressure started for me because it became real, the chance to win the championship and to beat Lewis. It was real.”

Rosberg was only assured of the title when he crossed the finish line in Abu Dhabi, with Hamilton going deliberately slow in a bid to back the German into the chasing pack.

“Abu Dhabi was intense. It was the most intense experience I’ve ever had in a race car,” Rosberg said.

“Even qualifying, the laps in qualifying, not easy really. And for sure it has an impact on your performance. It’s not possible that you do the same performance as if you’re in Lewis’ position where he has nothing to lose.”

Rosberg believes that the lack of pressure brought the very best out of Hamilton, as he closed out the campaign with four consecutive victories from pole position.

“That’s why he got the pole positions and why I was second in the last couple of races because he’s free, has no weight and nothing to lose,” Rosberg said.

“It was the best Lewis I’ve ever seen, the last few races, because not only was he completely free, but also the most determined and motivated ever, working as hard as ever.

“[It was] massively difficult to beat him in those circumstances.”

Rosberg announced on Friday that he would be retiring from racing with immediate effect, meaning we have likely seen the last of his rivalry with Hamilton in F1.