Apr 22, 2013, 11:59 AM EDT
Amid a backdrop of complaints and concerns about this seasons Pirelli tire compounds, the Bahrain Grand Prix delivered one of its most exciting yet.
Whereas the Chinese GP used the soft and medium compound tires in cooler conditions, giving a delta of nearly one and a half seconds per lap between the two, Pirelli’s choices for this race were a lot closer in performance and durability levels.
The medium and hard tires worked well here and, in the extreme heat of the desert, seemed to be the perfect selection.
The two compounds offered a choice of strategy, though of the top 10, only Ferrari’s Filipe Massa opted to start on the hard tire. It could’ve been an inspired move by the team to cover both scenarios, but we’ll never really know as a disastrous race for both drivers ended their hopes.
A rare DRS failure while running second on lap seven meant an emergency pitstop for Alonso. The DRS rear wing flap is designed to stay closed if the system should fail, but on this occasion the hydraulic actuator managed to push the flap beyond its normal 50-millimeter opening limit. This meant that, whereas the airflow over the wing would normally force the flap shut, being ‘over-center’, the aerodynamics had the opposite effect and held it in an open position.
Mechanics were able to push the wing back into its closed state at the stop, fit new tires and send him out without major time loss, but inexplicably appeared to fail to tell Alonso not to use the system and the same thing happened a lap later. Another stop to close the wing and the loss of DRS meant the predicted challenge for the win was effectively over. He did well to salvage eighth.
After a slightly strange looking tire failure for Hamilton on Saturday morning, Filipe Massa suffered a similar looking delamination to his right rear in the race, followed by a major blow out on the next set not long after. Pirelli were quick to suggest debris on the track had caused all three issues, but will investigate further in the coming days. One thing’s for sure, following much recent criticism, the last thing the Italian tire manufacturer needs is the perception that the rears weren’t capable of withstanding the heat and demands of the Bahrain circuit.
The ambient temperature, always pretty warm, did fluctuate this weekend, as did the wind speed and direction and the effect on different teams cars was notable.
Kimi Raikkonen was ominously quick in Friday practice, yet in the cooler temperatures of Saturdays qualifying struggled considerably more. The high race day temperatures meant the car came back to him and teammate Romain Grosjean and both managed brilliant podiums from lowly grid slots. Conversely, the Mercedes of Nico Rosberg worked well on Saturday to gain pole position, but found himself with a different car altogether in the hot race. Teams are still learning about the critical relationship between tire temperature and their performance levels and more importantly, how to manage them through driving styles or technical developments. Most teams now use adjustable brake duct slots to allow some of the enormous heat from the brakes to escape and soak into the wheels and tires when needed. Many of the leading teams also use a passive, hydraulically linked suspension arrangement to control the cars pitch and, or roll during braking and cornering, allowing the car to be more aerodynamically stable and less aggressive on its tires.
Kimi showed in the race that the ability to make the tires last and do one less stop than the rest can be a huge advantage.
McLaren found strong headwinds on the main straight for the race a help as they were running a shorter top gear and would’ve otherwise been held back by the rev limiter and therefore vulnerable in the DRS zone. As ever setup is always a compromise and this is something Red Bull have used in the past to aid qualifying, whilst they work on the basis that they can get so far out in front that they won’t be under attack by DRS.
Others found the strong cross winds at the higher points of the circuit unsettling the cars on turn in.
With Barcelona three weeks away (May 12) and closer to home for the teams, we can expect some significant upgrades and developments on the way.This video is no longer available. Click here to watch more NBC Sports videos!
Marc Priestley can be found on Twitter @f1elvis.
NHRA: Jack Beckman (54 races), Larry Morgan (120 races) snap lengthy winless streaks in 4-Wide Nationals
Mar 29, 2015, 10:00 PM EDT
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Mar 29, 2015, 8:40 PM EDT
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Mar 29, 2015, 8:15 PM EDT
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Mar 29, 2015, 7:53 PM EDT
Close but no cigar, but still a very good day for Will Power in the IndyCar opener at St. Petersburg.
Mar 29, 2015, 7:27 PM EDT
Tony Kanaan earns second podium in a row while thwarting potential sweep by Penske.
Mar 29, 2015, 5:57 PM EDT
Juan Pablo Montoya emerges up front after beating teammate Will Power on pit stops, and then holds off a final challenge.
Mar 29, 2015, 5:14 PM EDT
Will Power led a caution filled Grand Prix of St. Petersburg after 55 laps.
Mar 29, 2015, 2:23 PM EDT
Ed Jones wins again in St. Petersburg, to complete an Indy Lights weekend sweep.
Mar 29, 2015, 2:00 PM EDT
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Mar 29, 2015, 1:00 PM EDT
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Mar 29, 2015, 12:52 PM EDT
Graham Rahal breaks up the Penske juggernaut and leads IndyCar warmup at St. Petersburg.
Mar 29, 2015, 11:00 AM EDT
All three drivers sanctioned by the stewards for misdemeanors in today’s race.
Mar 29, 2015, 10:00 AM EDT
Red Bull endures a miserable day in Malaysia, scoring just three points in total.
Mar 29, 2015, 9:00 AM EDT
Simply finishing the race must go down as an incredible achievement for Manor.
Mar 29, 2015, 8:00 AM EDT
Did a mistake in Q1 on Saturday cost Lewis Hamilton a chance to win the Malaysian Grand Prix?
Mar 29, 2015, 7:15 AM EDT
Breaking the record by over two years, Max Verstappen cemented his place in the F1 history books in Malaysia on Sunday.
Mar 29, 2015, 6:30 AM EDT
Ferrari team principal oversees his first victory since taking the helm at Maranello.
Mar 29, 2015, 5:56 AM EDT
German driver didn’t expect his challenge to Ferrari in Australia to be taken up so quickly.
Mar 29, 2015, 5:36 AM EDT
British driver humble in defeat after losing out to Vettel and Ferrari in Malaysia.
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