' Lewis Hamilton
had the edge over the Red Bull pairing of Sebastian Vettel
and Mark Webber
as practice got under way in Korea on Friday.
The Briton lapped in 1m 39.630s which proved quick enough to withstand a very late challenge from Sebastian Vettel, as the world champion pared down to 1m 39.667s to miss out by 0.037s. Mark Webber underlined the Red Bull threat with the third fastest time of 1m 39.816s.
ended the morning in fourth place in the second Mercedes on 1m 40.117s, ahead of late-improving Jenson Button
on 1m 40.215s for McLaren
and Fernando Alonso
on 1m 40.374s for Ferrari
was the quickest of the Lotus
's on 1m 40.396s, just ahead of team mate Kimi Raikkonen
on 1m 40.677s, though the Finn has a race against time to make FP2 after ending the session by crashing heavily into the barriers out of the final corner.
Next up came Sergio Perez
, who had set the pace initially, on 1m 40.860s in the second McLaren, whilst Felipe Massa
lost time with a puncture before recording 1m 40.880s for tenth place.
's Nico Hulkenberg
was eleventh on 1m 40.899s, ahead of Force India
's Adrian Sutil
on 1m 41.432s, Williams
's Pastor Maldonado
on 1m 41.482s, Saubers Esteban Gutierrez
on 1m 41.626s and Toro Rosso's Jean-Eric Vergne
on 1m 41.924s.
just failed to break the 1m 42s barrier for Williams with 1m 42.002s, which left him 16th ahead of Toro Rosso's Daniel Ricciardo
on 1m 42.043s. James Calado
had his second Friday morning run for Force India in Paul di Resta
's car and impressed again with 1m 43.008s which he set very early in the session when Perez was fastest on 1m 42.825s. Thereafter the Briton, who had one half spin, focused on race set-up work.
The Caterhams of Charles Pic
and Giedo van der Garde
were very closely matched on 1m 43.660s and 1m 43.883s apiece, leaving Max Chilton
in 21st place for Marussia
on 1m 44.100s. Rodolfo Gonzalez
had another run for the Banbury team in Jules Bianchi
's car, but clumsily spun and took the nose off after getting down to 1m 46.810s early on. (Formula1.com)