Ferrari 's Fernando Alonso fastest in the second day of F1 testing for 2011 . The Spaniard was quickest on Friday and Saturday, but he has been unable to match his team-mate Sebastian Vettel this week as they have struggled with engine problems during their first two days at Silverstone. Williams ' Venezuelan rookie Pastor Maldonado was 11th after completing 29 laps in the afternoon in the new FW33 , with his veteran Brazilian teammate Rubens Barrichello ninth following his 50 laps . But German 's teammate Mark Webber 's session ends after only 17 laps . Lewis Hamilton is fourth ahead of the launch of the new McLaren on Friday .
Ferrari 's Fernando Alonso fastest in the second day of F1 testing for 2011 . The Spaniard was quickest on Friday and Saturday, but he has been unable to match his team-mate Sebastian Vettel this week as they have struggled with engine problems during their first two days at Silverstone. But German 's teammate Mark Webber 's session ends after only 17 laps . Lewis Hamilton is fourth ahead of the launch of the new McLaren on Friday .