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Summary

  1. Lewis Hamilton ends day fastest for Mercedes
  2. McLaren lose several hours of testing with oil-system issue
  3. Red Bull encounter sensor and battery problems
  4. Times already faster than 2016 test at same circuit
  5. Vote: which is the best looking car?
  6. Get involved #bbcf1

Live Reporting

By Jamie Strickland

All times stated are UK

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  1. Thanks and goodbye

    RIght, it's been a long day but an informative one. 

    Mercedes look to have lost none of their edge despite the wholesale rule changes, while Ferrari and Williams also look very strong. 

    McLaren and Red Bull had trying days but in both cases they were able to rack up some impressive mileage - and fairly encouraging times - later on in the day. 

    Andrew Benson's report will be live shortly.

    Thanks for your company - we'll be back with day two tomorrow.

  2. Final times and laps completed

    1 Lewis Hamilton (GB) Mercedes 1:21.765* (73 laps)

    2 Sebastian Vettel (Ger) Ferrari 1:21.878 (128)

    3 Felipe Massa (Brz) Williams 1:22.076*  (103)

    4 Kevin Magnussen (Den) Haas 1:22.894* (51)

    5 Daniel Ricciardo (Aus) Red Bull 1:22.926* (50)

    6 Valtteri Bottas (Fin) Mercedes 1:23.169* (79)

    7 Sergio Perez (Mex) Force India 1:23.709* (39)

    8 Carlos Sainz (Spa) Toro Rosso 1:24.494 (51)

    9 Nico Hulkenberg (Ger) Renault 1:24.784 (57)

    10 Fernando Alonso (Spa) McLaren 1:24.852* (29)

    11 Marcus Ericsson (Swe) Sauber 1:26.841 (72)

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

  3. Post update

  4. Post update

  5. Chequered flag

    Mercedes driver Lewis Hamilton ends the first day of pre-season testing 2017 with the fastest time, his best lap of 1:21.765 a tenth of a second up on nearest challenger Sebastian Vettel in the Ferrari. 

    Full times to follow. 

  6. Red Bull make late charge

    Ricciardo goes fifth with a late lap. The Red Bull man does a 1:22.926 to knock Valtteri Bottas' Mercedes down to sixth...

  7. Late improvement for McLaren

    Fernando Alonso is finally working up a sweat today. He's now up to 28 laps completed and has just done a 1:24.852. He stays 10th.

    Only the Sauber has failed to duck under the 1:25 barrier today.  

  8. Five minutes to go...

    Will there be any changes at the sharp end? Well, Lewis Hamilton's nearest challenger Sebastian Vettel is running around on the hard tyre and posting times that don't seem likely to threaten the Mercedes. 

    I think the order is decided.

  9. Vote results

    The votes are in and it's an overwhelming win for Mercedes, with 36% of you choosing the W08 as the looker of 2017. 

    The looks that made the Arrows such a stunner back in 2002 have helped McLaren into an unlikely second place with 18% of the vote, while striking Toro Rosso has to settle for third. 

    Williams and Ferrari, meanwhile - once pin-ups of the pit lane - rank surprisingly low.

    Thanks for your votes.

  10. Ton up for Felipe

  11. Sauber done for the day

    Sauber have tweeted that they are now on with pit stop practice with their track running complete.

    It's 11th place and last for the team from Hinwil, although 70 laps completed is not to be sniffed at. 

    Sauber
  12. Post update

  13. Post update

  14. Impressive time from Haas

  15. Massa closing on century

    98 laps and counting for the Williams man today. Both he and Sebastian Vettel (105 laps) get the long-service medals today, but the overall winner on laps is Mercedes, who have split their 131 laps between drivers Valtteri Bottas and Lewis Hamilton.  

  16. More laps for Alonso

    Felipe Massa was the only car out there for a while but he has so far failed to improve. 

    He's joined on track by Fernando Alonso in the McLaren, who has swapped the super-soft for the soft tyre and has just improved to 1:25.060, a fraction slower than Kevin Magnussen's Haas.

  17. Times and laps completed

    1.Hamilton (Mercedes) 1:21.765, 51 laps

    2. Vettel (Ferrari) 1:21.878, 102 laps

    3. Massa (Williams) 1:22.076, 86 laps 

    4. Bottas (Mercedes) 1:23.169, 79 laps 

    5. Ricciardo (Red Bull) 1:23.372, 32 laps   

    6. Perez (Force India) 1:23.709, 39 laps 

    7. Sainz (Toro Rosso) 1:24.494, 51 laps

    8. Magnussen (Haas) 1:24.496, 39 laps 

    9. Alonso (McLaren) 1:25.586, 13 laps   

    10. Hülkenberg (Renault) 1:25.773, 39 laps 

    11. Ericsson (Sauber) 1:26.841, 64 laps 

  18. Mercedes looks 'reasonably complicated' - Newey

    Dan Knutson

    F1 journalist in Barcelona

    Red Bull’s design staff, including Chief Technical Officer Adrian Newey, chatted with reporters this afternoon in the paddock. Newey was asked what he thought of some of ideas on the other new cars.

    “I have not had a chance to have a really good look, I have just seen the launch pictures,” he said. “The new regulations are open to different interpretations, which is what one might hope for with a new set of regulations. In particular, the Mercedes looks like a reasonably complicated car. It has got lots of parts on it which will be all about trying to manipulate the vortices to transition the flow structures around the car.

    “The Ferrari has a very complicated looking sidepod transition, which I haven’t quite managed to work out yet from the pictures I’ve seen.

    “Mercedes and Toro Rosso have gone for a high-top [front] wishbone, which kind of looks like a Lotus 49 with its in-built high kingpin…which is I would imagine aimed at trying to get the bottom wishbone higher, and also get the top wishbone higher to clean up the brake duct area.”

  19. Post update

  20. Latest lap count

    1 Hamilton (51 laps)

    2 Vettel (102)

    3 Massa (86)

    4 Bottas (79)

    5 Ricciardo (32)

    6 Perez (39)

    7 Sainz (51)

    8 Magnussen (39)

    9 Alonso (13)

    10 Hulkenberg (39)

    11 Ericsson (64)