Lewis Hamilton fastest for Mercedes on first pre-season testing day

By Andrew BensonChief F1 writer
Lewis Hamilton
Lewis Hamilton completed 73 laps in the new Mercedes W08

Mercedes and Ferrari had impressive starts to pre-season testing as Red Bull and McLaren hit trouble.

Lewis Hamilton was fastest as Mercedes completed 152 laps with both their drivers at Circuit de Catalunya.

Hamilton was 0.113 seconds faster than Sebastian Vettel's Ferrari, which also ran reliably and used the slower medium tyre with the Mercedes on the soft.

By contrast, the mileage of Red Bull and McLaren was limited by recurring reliability problems in Barcelona.

Hamilton's team-mate Valtteri Bottas, a replacement for the now-retired world champion Nico Rosberg, was sixth fastest.

"It has been a good day, a positive day for the team," Hamilton said. "Lots of laps and information gained so we can try to improve the car."

Asked whether the new rules - designed to make the cars up to five seconds a lap faster and demand more of the drivers - had made a difference, he said: "The G forces are definitely higher. The load on the drivers is a considerable amount more than before. It is a lot more physical.

"I was always trying to pick up the speed through the corners and you have to drive a little bit different. It is a beast. It is so much better than last year."

And he added that the new tyres, which have been designed to allow drivers to push flat-out for much longer, seemed to be working as planned.

"Normally you have a lot of degradation in these tyres but these ones don't," he said. "But there is not a lot of performance at the beginning of the tyre. They are very consistent, hard tyres. There is not a big difference from early on to later. There is a bit of a drop-off but not massive."

Not a good start for some

The first day of pre-season testing is all about ironing out problems and beginning to understand how the cars work.

As such, no team begins by trying to set the fastest possible lap times.

At this stage, mileage is key, which is why the truncated days suffered by Red Bull and McLaren are bad news with only eight days of running before the start of the season.

Fernando Alonso had a frustrating day, suffering an oil system problem that cost him the whole morning session after just one lap
Fernando Alonso had a frustrating day, suffering an oil system problem that cost him the whole morning session after just one lap

Alonso suffered an oil system problem after just a single installation lap, which cost him the whole morning session.

"We are disappointed, we are sad to not be able to run," Alonso said. "We are aware of the time we lost. We have four days for each driver before the championship starts so it is not ideal. But it is the way it is and all we can do is learn from it and concentrate and try to recover the time."

Honda changed the engine for the afternoon and the double world champion from Spain was able to get out on track for a few runs with two hours of the day remaining - but still managed less than a quarter of the laps achieved by Mercedes.

Honda has fundamentally revised its engine design for this season, effectively following the same route as Mercedes have used since the start of the turbo hybrid formula in 2014, and there are clearly still issues to resolve.

McLaren racing director Eric Boullier said Alonso was "not very happy" about the problems.

Red Bull, who have hopes of challenging Mercedes this year, blamed problems with a sensor for Daniel Ricciardo managing only five laps in the morning.

He did a further three early in the afternoon before another lengthy visit to the pits because of a battery problem. He did finally get in some running and ended the day with 50 laps.

Ricciardo ended up with fifth fastest time and team boss Christian Horner said the problems were "not major issues".

Mercedes look formidable

In contrast to their rivals, Mercedes made a typically strong start to their preparations for the season.

New signing Bottas completed 79 laps - more than a grand prix distance - in the morning, ending up second fastest to Vettel at the time.

Hamilton took over in the afternoon, with Mercedes fitting a 'shark-fin' engine cover for the first time, and was quickly up to speed, completing more than 60 laps himself.

Ferrari and Williams also had good days, both completing more than 100 laps.

Sebastian Vettel's Ferrari, which ran reliably
Sebastian Vettel's Ferrari, which ran reliably

Vettel stuck to the 'medium' compound of tyre for most of the day before a brief run on the 'hard', so on the face of it his lap time looks impressive.

However, the German was also quickest for Ferrari on the first day of pre-season testing last season - and the Italian team ended the campaign winless for the second time in three years.

Felipe Massa, persuaded to come out of retirement to fill former team-mate Bottas' seat at Williams, was third fastest.

Barcelona pre-season test: day one results:

1 Lewis Hamilton (GB) Mercedes 1:21.765 *

2 Sebastian Vettel (Ger) Ferrari 1:21.878

3 Felipe Massa (Brz) Williams 1:22.076 *

4 Kevin Magnussen (Den) Haas 1:22.894 *

5 Daniel Ricciardo (Aus) Red Bull 1:22.926 *

6 Valtteri Bottas (Fin) Mercedes 1:23.169 *

7 Sergio Perez (Mex) Force India 1:23.709 *

8 Carlos Sainz (Spa) Toro Rosso 1:24.494

9 Nico Hulkenberg (Ger) Renault 1:24.784

10 Fernando Alonso (Spa) McLaren 1:24.852 *

11 Marcus Ericsson (Swe) Sauber 1:26.841

* time set on 'soft' tyres; all others set on medium tyres

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