Bahrain F1 test: Hamilton leads Giovinazzi on Day 1

Lewis Hamilton bounced back from an early stoppage to set the pace on the opening day of this week's in-season Formula 1 test at Bahrain on Tuesday.

Bahrain F1 test: Hamilton leads Giovinazzi on Day 1
Antonio Giovinazzi, Ferrari SF70H
Lance Stroll, Williams FW40
Oliver Turvey, McLaren MCL32
Lewis Hamilton, Mercedes AMG F1 W08
Antonio Giovinazzi, Ferrari SF70H
Lance Stroll, Williams FW40
Sebastian Vettel, Ferrari SF70H
The Red Flag flies
Nico Hulkenberg, Renault Sport F1 Team RS17
Lance Stroll, Williams FW40
Sean Gelael, Scuderia Toro Rosso STR12
Daniel Ricciardo, Red Bull Racing RB13

With the start of action having been delayed by 10 minutes so that track officials could move shipping containers away from a dangerous place at the exit of the pitlane, Hamilton's day had initially not got off to the best of starts as he brought out a red flag after just 15 minutes when his car stopped on track.

The issue was discovered to be an electrical disconnection but, once the W08 had been returned to the pits, the problem was rectified and Hamilton was able to get on with his programme.

Hamilton conducted a mixture of longer and short runs throughout the day, with Mercedes making no secret of the fact that it wants to use this week's test to better understand how to manage Pirelli's 2017 rubber.

In the end, Hamilton set his best lap of 1m31.358s on soft tyres in the final hour, meaning he ended up 0.626 seconds ahead of Ferrari test driver Antonio Giovinazzi.

While Ferrari's world championship leader Sebastian Vettel was concentrating on Pirelli's 2018 tyre test programme – which meant he was not allowed to run any development parts – Giovinazzi was tasked with the Maranello's main work for the day.

Vettel's efforts were compromised, however, by an engine problem in the afternoon which limited his running. Pirelli subsequently got agreement from other teams to extend its own private test programme until 9pm local time so it did not lose any of its hoped-for track time.

Morning pace-setter Daniel Ricciardo, who worked on aerodynamic evaluation in the morning before tyre work in the afternoon, ended up third overall.

However, his day was cut short when he suffered a Renault engine failure in the afternoon which left him stranded on track at Turn 1. A replacement power unit will be fitted overnight to allow Pierre Gasly to run on Wednesday.

"It just went," said Ricciardo. "It's sleeping at the moment. I am not sure if that one is going to wake up."

Ricciardo was not the only one to suffer a stoppage on track, with Toro Rosso rookie Sean Gelael also hitting trouble in the morning when his car ground to a halt with an electrical issue.

The Indonesian was able to get back out later in the day though, causing another red flag later in the afternoon with a fuel run-out test, before ending up eighth quickest.

Fourth fastest Romain Grosjean's main focus on the day was to evaluate new Carbone Industrie brakes, with Haas wanting to work out whether or not to make the switch from current supplier Brembo.

The Frenchman ended up ahead of Williams driver Felipe Massa and Renault's Nico Hulkenberg.

There were also engine woes for Honda, with McLaren development driver Oliver Turvey only able to complete two installation laps in the morning. Honda had discovered a water leak in the ERS, which prompted the need for a replacement power unit to be fitted.

After hours spent waiting in the garage, Turvey was able to get running again in the final hour and was able to complete 17 laps – although ended up at the bottom of the timesheets.

 

Pos.DriverTeamTimeGapLaps
1  Lewis Hamilton Mercedes 1m31.358s   97
2  Antonio Giovinazzi Ferrari 1m31.984s 0.626s 93
3  Daniel Ricciardo Red Bull 1m32.349s 0.991s 45
4  Romain Grosjean Haas 1m33.452s 1.094s 87
5  Felipe Massa Williams 1m32.509s 1.151s 56
6  Nico Hulkenberg Renault 1m33.624s 2.266s 74
7  Lance Stroll Williams 1m33.729s 2.371s 35
8  Sean Gelael Toro Rosso 1m33.885s 2.527s 78
9  Sebastian Vettel Ferrari 1m33.894s 2.536s 89
10  Alfonso Celis Jr Force India 1m33.939s 2.581s 70
11  Marcus Ericsson Sauber 1m34.550s 3.192s 106
12  Oliver Turvey McLaren 1m35.011s 3.653s 17
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