Practice One - Hamilton leads shortened first session 23 Sep 2011
McLarens Lewis Hamilton and Red Bulls Sebastian Vettel battled for fastest time as Fridays first Singapore practice session was held in the gathering dusk of the Marina Bay circuit.
The reigning world champion had set the pace for much of the session as McLaren kept Hamilton in the pits, but the Englishman ended up 0.406s faster after lapping in 1m 48.599s to the Germans 1m 49.005s.
Behind them there were greater gaps than usual between contenders. Mark Webber was third for Red Bull on 1m 50.066s, ahead of Ferraris Fernando Alonso on 1m 50.596s and McLarens Jenson Button on 1m 50.952s which he did early in the session. Then came Felipe Massa on 1m 52.043s for Ferrari, followed by Force Indias Adrian Sutil on 1m 52.251s, Mercedes Michael Schumacher on 1m 52.416s, Force Indias Paul di Resta on 1m 52.435s, Mercedes Nico Rosberg on 1m 52.815s, and Williams Rubens Barrichello in 1m 52.991s.
Jaime Alguersuari led the next group after posting 1m 53.050s in his Toro Rosso, chased by Pastor Maldonados Williams on 1m 53.399s, Sergio Perez and Kamui Kobayashi in their Saubers on 1m 53.703s and 1m 53.749s, Renaults Bruno Senna on 1m 53.765s, and Toro Rossos Sebastien Buemi on 1m 53.785s.
There was another gap to Renaults Vitaly Petrov on 1m 54.736s, with Jarno Trulli for company on 1m 54.821s, then another gap to Heikki Kovalainens sister Lotus on 1m 56.198s, and Jerome dAmbrosio was Virgins faster runner on 1m 57.798s to Timo Glocks 1m 58.792s.
The HRTs ended up 23rd and 24th with Daniel Ricciardo on 1m 59.169s on his first visit to the track and Narain Karthikeyan returning briefly to post 1m 59.214s. The cars bore messages to the late Christian Bakkerud, the Danish GP2 and F3 driver who died of brain injuries recently following a car accident in the UK.
There was a 30-minute delay before the session could begin after the Porsche Carrera Cup practice had dislodged the new temporary kerbs in some corners. In the end those on the exit to Turns Three and 14 were removed, and drivers were allowed to run across the solid white lines.
There were a few other incidents; Glock went off on his out lap, and later featured as he cut across Webber and took off the Red Bulls right-front endplate. Soon after that Kovalainen brought out the red flags when he stopped his Lotus at Turn 18 with the front brakes afire. At least this time he didnt have to extinguish the fire himself as marshals leapt to his aid.
Ten minutes from the end the red flag came out again after Massa had run wide, gone over a kerb before the resultant wobble sent him down an escape road, and inadvertently dislodged another kerbing bolt which stood proud, just waiting to catch somebodys tyre.
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