"We had a few issues on the electronics side with the telemetry data-logging and this has cost us track time as well as the ability to conduct longer runs. Other than that, we've been able to take over from where we left off in Jerez so we're happy with that. All we need is more laps, which is our focus for tomorrow.”
Behind the top two, Fernando Alonso was third quickest for Ferrari as he got behind the wheel of the new F138 for the first time having elected to sit out the first session of the year at Jerez in favour of training away from the circuit.
Given his lack of time in the car, there was little surprise to see the Spaniard as the busiest man on track as he completed more than 20 laps more than anyone else – racking up 110 in total over the course of a busy day.
Like the men ahead, Alonso's best time came on the medium tyre and he was able to edge defending champion Sebastian Vettel out of the top three; Vettel having been the man to beat at lunchtime and having led the way for much of the afternoon.
On an encouraging day for Williams, Pastor Maldonado was just over a second off the pace in fifth place on the first day of running for the new FW35 with the Toro Rosso of Daniel Ricciardo rounding out the top six.
Sergio Perez was seventh for McLaren and just 0.020secs quicker than Paul di Resta's Force India and the Sauber of Esteban Gutierrez; the young Mexican brining out a red flag when he ran out of fuel on track.
In the battle at the back, Max Chilton took tenth for Marussia with Charles Pic eleventh for Caterham having brought out the second red flag of the day when he stopped with a mechanical problem that ended his session early.
“49 laps on the first day of the second test isn't the total we wanted,” the Frenchman said, “but we've still been able to complete quite a bit of today's program and with every lap I'm getting more and more comfortable in the car.
“In the morning session we ran through a similar program to the second day in Jerez last week, and we had planned more tyre work in the afternoon. When I went out for a stint after the lunch break I had a mechanical problem going into turn three and after we got the car back to the garage we found out it was a gearbox issue and that brought the day to an early end.
"We've already started work on the fix and I'm sure we'll be ready for tomorrow morning when we can get back to work.”
To see times from day one, CLICK HERE