Everyone’s Silverstone race strategy suffered on Sunday

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The thing about Formula One race strategies is that they need to be adaptable to cope with the unforeseen circumstances that the sport invariably throws up. No matter the plan, teams must react quickly to whatever’s thrown at them.

When the strategists at each team sit down after qualifying on a Saturday evening to ponder their options, they look at data; weather forecasts; the cars around them on the grid; their own confidence in their race pace; start performance; the amount of tires used and those they have left, as well as many other factors.

Between strategists, engineers, management and the drivers themselves, they come up with at least two or three of the most probable scenarios or plans. Those plans will cover things like what happens if they have a good start or a bad start; where they are after lap one and what they do if it all goes wrong, have contact and an enforced first lap pitstop. They’ll have a ‘plan A’ which is the optimum strategy and considered the fastest way to the checkered flag and a ‘plan B’ to cover the possibility of the tires not lasting their intended stint length.

Sunday, everyone’s optimum race strategy was compromised in one way or another, by a number of issues.

After the practice sessions, analysis showed the fastest way for the top 10 to complete the race was a two stop strategy, starting on the medium tire, stopping around lap 17 for another set of mediums, before finally stopping around lap 35 for the hard. Whilst that may well have been what most intended, excessive graining on the options, unforeseen tire failures and safety cars changed things.

When Lewis Hamilton had the first failure whilst leading on lap 7, nobody thought it would be the start of a chain reaction.

Felipe Massa’s Ferrari was next to suffer the same left rear failure at the same point of the circuit and Jean Eric Vergne followed shortly afterwards with a similar and spectacular blow out of his own. That one, not only brought out the first safety car that stayed out for seven laps, but clearly raised eyebrows amongst the teams. It was clear there was an inherent problem affecting left rear tires and that meant that teams had to decide what to do.

Some pitted under the safety car, some drivers were told by their teams to try and avoid kerbs, some increased tire pressures in their pitstop sets to try and stiffen up the sidewalls, but the teams and Pirelli furiously tried to work out what was happening.

Avoiding kerbs clearly compromises race pace, as does running with higher than preferred pressures, and therefore can have an impact on strategy, but the possibility of more failures has even more dire effects. Those that pitted mostly switched to hard, prime tires after many struggled more than predicted on options, but were still on for the two stop plan to work, so they tentatively continued with the championship leader out front.

Vettel controlled the race pace well in the lead, keeping Rosberg behind until ten laps from the end when his Red Bull Racing RB9 ground to a halt with a failure of fifth gear. With the car in an unsafe position and Race Control more than happy to slow proceedings down to prevent anymore dangerous failures, the safety car was again deployed.

This was the point where teams had to make crucial, race defining and split second decisions.

For Rosberg, now out in front, it was easy, he had a worrying tire vibration and enough of a gap behind to make the unplanned third stop without losing track position.

For those behind it was make or break time and whilst Alonso and Webber also dived in and switched to a late three stopper under the safety car, Raikkonen’s Lotus team decided to leave him out.

That decision was a bad one and ultimately cost Kimi a podium spot as he struggled on old tires in the closing laps.

Whilst stopping meant that Webber and Alonso lost places initially, the fresh mediums for the short last stint allowed them to push hard to the flag and pass with relative ease to take second and third places respectively. Their teams got it right under pressure, Kimi’s unfortunately didn’t today.

All the planning, data and analysis in the world couldn’t have prepared for today’s events, so in those instances success or failure comes down to the decisions of the drivers and their teams. Despite the obscene amount of Dollars spent on strategic simulation and predictive tools up and down pitlane, when it comes to making a last minute, split second decision in the heat of battle, it often boils down to good old fashioned human reactions under pressure. Some are better than others.

You can follow Marc Priestley on Twitter @f1elvis.

Honda defends decision to redesign F1 power unit for 2017

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Honda Formula 1 chief Yusuke Hasegawa has defended the decision to redesign its power unit layout for 2017 despite suffering a number of reliability and performance issues at the start of the season.

Entering its third year since returning to F1 as an engine supplier, Honda looked to make gains by revising the layout of its power unit to mirror that of pace-setter Mercedes.

The decision appeared to backfire, though, with a lack of both performance and reliability leaving customer team McLaren frustrated and without a single point after three races.

Speaking in Friday’s FIA press conference in Russia, Hasegawa was asked if the decision to revise the power unit layout was a mistake, and defending the move despite admitting to the ongoing problems.

“I don’t think we made a complete mistake from last year’s performance. We knew that we have to change everything, not only the package but also the combustion, so we tried to modify all areas,” Hasegawa explained.

“Some areas we succeeded, to reduce the weight and lower the center of gravity, but yeah, definitely we couldn’t get enough power from the combustion. So, yeah, it is just an excuse, but we still need time.

“But we don’t think we made a huge mistake, the direction was right. We are very much disappointed with our current situation.

“But because the base concept is correct, we believe we can make good progress in the middle of the season.”

McLaren’s hopes of scoring its first points of the year in Russia took a hit on Friday when Stoffel Vandoorne was forced to take new elements for his power unit, triggering a 15-place grid drop for the race.

More brake issues strike Haas in Russia F1 practice despite supplier change

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The Haas Formula 1 team endured another difficult day of practice ahead of the Russian Grand Prix as drivers Romain Grosjean and Kevin Magnussen suffered more brake issues despite changing supplier.

Haas confirmed on Thursday that it would be switching from Brembo to Carbon Industrie brakes, having suffered problems throughout its 14-month stint in F1.

Despite enjoying a positive test in Bahrain with Carbon Industrie parts last week, both Grosjean and Magnussen struggled with their brakes in FP1 and FP2 at the Sochi Autodrom on Friday.

Grosjean finished FP2 14th-fastest, with Magnussen breaking into the top 10, charging to ninth place in the VF-17 car.

“We’ve got very little grip. We’re really struggling with the balance,” Grosjean said. “We had some issues, as well, with the brakes over the long runs. We need to look at what we can do better with them.

“Generally, it’s just been a very difficult Friday. The car didn’t perform well – very low grip on low fuel and high fuel.”

Team principal Guenther Steiner added: “We had a lot to do and I think we did a lot. We still haven’t got all the results yet, as we need to go through data.

“I would say the issues with the brakes were mainly because they’re new to us. We need to find out how they work. Going through the data, we will decide tomorrow what we’re doing and how we continue.

“All in all, we had pretty fruitful sessions. We did a lot of laps and we learned a lot. Now we need to get the best out of what we learned for tomorrow to go into qualifying.”

Qualifying for the Russian Grand Prix is live on CNBC and the NBC Sports app from 8am ET on Saturday.

F1 Paddock Pass: Russian Grand Prix, Friday edition (VIDEO)

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While the drivers may be the stars of Formula 1, their on-track escapades would not be possible without the titanic effort from those behind the scenes at their respective teams, making it key for us to hear from the people who make racing possible from time to time.

Following on from the special Friday edition of NBC Sports’ original digital series ‘Paddock Pass’ in Bahrain, Will Buxton is back with all of the interviews from the team bosses in today’s FIA press conference in Russia.

In part one, we hear from Otmar Szafnauer, COO at Force India, who gives his verdict on the team’s showing in 2017 so far and new driver Esteban Ocon’s start to the season. We also catch up with Renault technical boss Nick Chester and Pirelli’s new F1 chief, Mario Isola.

In part two, Ferrari’s engine boss Luigi Fabroni offers his thoughts on the Italian marque’s strong start to the 2017 season following Sebastian Vettel’s wins in Australia and Bahrain. At the other end of the success spectrum, McLaren’s Matt Morris and Honda’s Yusuke Hasegawa discuss the ongoing rebuilding project at woking.

Vettel refusing to be misled by Mercedes’ F1 practice pace in Russia

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Sebastian Vettel is refusing to read too much into Ferrari’s impressive Formula 1 practice pace in Russia on Friday, saying it is easy to be “misled” by rival team Mercedes.

Vettel arrived in Russia for the fourth round of the season after making the best start to a campaign by a Ferrari driver since Michael Schumacher in 2004, winning two of the first three races.

Vettel continued Ferrari’s impressive showing to start 2017 by dominating second practice on Friday at the Sochi Autodrom, finishing over half a second clear of Mercedes drivers Lewis Hamilton and Valtteri Bottas.

However, Vettel is refusing to take too much from the result, citing Mercedes’ jump in pace from Friday to Saturday in Russia last year as a reason why not to.

“I think Mercedes will be fine. It’s a circuit that suits them, so they will be strong tomorrow,” Vettel said after practice, as quoted by the official F1 website.

“I don’t want to make this personal but I think last year people expected Williams to be the fastest after Friday if I remember right, and obviously it turned out Mercedes were.

“That’s how sometimes you can be misled. I think there are a lot of things we can play with in the car, loads, engines modes. At this track especially there are a lot of things you can show or not show.

“I think the most important [thing] is that we talk about ourselves, our balance, and I think we improved throughout the session so I’m reasonably happy.”

Vettel will be chasing Ferrari’s first pole since the 2015 Singapore Grand Prix on Saturday, with qualifying live on CNBC from 8am ET.