Mechanics work on the car of Ferrari Formula One driver Alonso during the qualifying session for the Bahrain F1 Grand Prix at the Sakhir circuit

Bahrain recap: Tire tests, rare DRS failure, hot/cold temps made for wild race

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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.

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Marc Priestley can be found on Twitter @f1elvis.

FIA Formula E to remain at Battersea Park following vote

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Wandsworth Council’s Community Services Overview and Scrutiny Committee voted seven to four late Tuesday night, in favor of retaining the FIA Formula E event in Battersea Park.

This will see the London ePrix – the season finale for the electric open-wheel championship – continue at the site for at least the next two seasons.

The 2016 race will run July 2-3, to avoid a direct head-to-head clash with the British Grand Prix a week later in Silverstone.

Battersea Park’s race faced local opposition in recent weeks, which put the race under threat.

Here are your Abu Dhabi GP TV Times on NBCSN, CNBC, Live Extra

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It’s the final Grand Prix of the year, the Abu Dhabi Grand Prix from the Yas Marina Circuit.

Here’s the TV times and game plan for the weekend across NBCSN, CNBC and NBC Sports Live Extra:

NBC Sports Group presents the season finale of the 2015 Formula One season this weekend with live coverage of the Abu Dhabi Grand Prix – F1’s only twilight race – from Yas Marina Circuit this Sunday at 7:30 a.m. ET on NBCSN.

NBC Sports Group is on pace to deliver its most-watched Formula One season to date, with just Sunday’s season finale in Abu Dhabi remaining on the schedule. Through 18 races, NBC Sports Group’s F1 coverage has averaged 533,000 viewers, up 17% vs. the same point of the 2014 F1 season. Last week, NBCSN delivered the most-watched live cable telecast of the Brazilian Grand Prix since 2010, averaging 493,000 viewers.

Lead F1 announcer Leigh Diffey will call the Abu Dhabi Grand Prix, and will be joined by veteran analyst and former racecar driver David Hobbs, and analyst and former race mechanic for the Benetton F1 team Steve Matchett. F1 insider Will Buxton will serve as the team’s on-site reporter from Yas Marina Circuit in Abu Dhabi in the United Arab Emirates.

Nico Rosberg (Mercedes) is looking to close out the 2015 campaign with a third consecutive victory, following wins in Mexico and Brazil. Rosberg has also earned the pole position in five consecutive races. Mercedes teammate Lewis Hamilton clinched his second consecutive Drivers’ Championship with a victory at the United States Grand Prix in October. Ferrari’s Sebastian Vettel has won the race in Abu Dhabi three times (2009, 2010 & 2013), followed by Hamilton’s two victories (2011 & 2014). The Abu Dhabi Grand Prix debuted in 2009 and holds the distinction as F1’s only twilight race, beginning in the sun of the afternoon and concluding after dusk under the lights.

Coverage of this weekend’s season finale in Abu Dhabi begins Friday at 4 a.m. ET on NBC Sports Live Extra with Practice 1, followed by NBCSN’s live coverage of Practice 2 at 8 a.m. ET. Live Extra will carry Practice 3 on Saturday at 5 a.m. ET, and CNBC will present live qualifying on Saturday at 8 a.m. ET.

NBCSN’s race day coverage begins Sunday at 7 a.m. ET with F1 Countdown, followed by NBCSN’s live presentation of the Abu Dhabi Grand Prix at 7:30 a.m. ET. F1 Extra will provide post-race analysis at 10 a.m. ET, and NBCSN will air an encore presentation of the Abu Dhabi Grand Prix on Sunday at 4:30 p.m. ET. NBCSN will also air coverage of the GP2 race in Abu Dhabion Sunday at 10 p.m. ET, with Alex Jacques calling the action.

Motorsports Coverage This Week on NBCSN, CNBC & NBC Sports Live Extra (subject to change):

Date Program Time (ET) Network
Fri., November 27 F1 Abu Dhabi Grand Prix – Practice 1 4 a.m. Live Extra
Off The Grid – Talladega (Encore) 7 a.m. NBCSN
Off The Grid – Austin (Encore) 7:30 a.m. NBCSN
F1 Abu Dhabi Grand Prix – Practice 2 8 a.m. NBCSN
“1” – F1 Documentary 9:30 a.m. NBCSN
Sat., November 28 F1 Abu Dhabi Grand Prix – Practice 2 (Encore) 1:30 a.m. NBCSN
F1 Abu Dhabi Grand Prix – Practice 3 5 a.m. Live Extra
F1 Abu Dhabi Grand Prix – Qualifying 8 a.m. CNBC
F1 Abu Dhabi Grand Prix – Qualifying (Encore) 12:30 p.m. NBCSN
Sun., November 29 F1 Countdown 7 a.m. NBCSN
F1 Abu Dhabi Grand Prix 7:30 a.m. NBCSN
F1 Extra 10 a.m. NBCSN
F1 Abu Dhabi Grand Prix (Encore) 4:30 p.m. NBCSN
GP2 – Abu Dhabi 10 p.m. NBCSN

Haas F1 Team finishes its first pit wall gantry

MEXICO CITY, MEXICO - OCTOBER 30:  Haas F1 Team logos during the press conference for their driver announcement on October 30, 2015 in Mexico City, Mexico.  (Photo by Andrew Hone/Getty Images for Haas)
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As Haas F1 Team continues to prepare for its debut season in the 2016 Formula 1 World Championship, it’s putting together all the pieces it needs to compete.

It’s got a driver lineup – Romain Grosjean and Esteban Gutierrez have now finally, formally been confirmed within the last month – and now it has the pit wall equipment complete for the strategists to call their respective drivers’ races.

Here’s a video of how the team’s first pit wall gantry was assembled, and finished today:

And here’s some still shots:

INDYCAR confirms additional car tethers among other 2016 safety enhancements

Josef Newgarden, Simon Pagenaud
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INDYCAR has outlined the formal safety enhancements it plans to do to the base Dallara DW12 chassis for the 2016 Verizon IndyCar Series season.

The full release from INDYCAR is below:

Tethering aerodynamic components of the Dallara IR-12 chassis is among safety enhancements announced by INDYCAR that will be implemented for the 2016 Verizon IndyCar Series season.

The high-tensile Zylon tethers minimize the possibility of components becoming detached from the race cars during accidents.

The rear beam wing and rear wheel guards will be tethered for all Verizon IndyCar Series events and the car’s nose will be tethered on superspeedway ovals (1.5 miles or longer). Dallara also has designed a tethering system for the front wing main plane for the three superspeedways on the 2016 schedule – Indianapolis Motor Speedway, Texas Motor Speedway and Pocono Raceway.

Since 1999, Verizon IndyCar Series cars have employed wheel restraints attached to the chassis and suspension. The Suspension Wheel/Wing Energy Management System (SWEMS) also includes one or two restraints attached from the rear wing main plane to a secure location on the transmission.

“It is a continual goal to improve safety for all the participants, fans and drivers alike,” said Will Phillips, INDYCAR Vice President of Technology. “We also need to do this in a fashion that does not create more yellow-flag racing and try to prevent as much debris as possible. We have great support from our partners to improve safety and wish to thank Chevrolet, Honda and Dallara for their participation and efforts in working together to implement change.”

Other changes for the 2016 season as part of INDYCAR’s ongoing research and development to improve the on-track product and safety include:

  • A domed skid plate on the underside of the chassis, which improves its yaw/spin characteristics, will complement rear wing flaps that deploy at 90 degrees if a car spins and travels backward on a superspeedway. The package will minimize the incidence of the car becoming airborne. The rear wing flaps have been tested in wind tunnels at General Motors and Texas A&M University. Components are scheduled to be available for the April 6 test on the 2.5-mile Indianapolis Motor Speedway oval.
  • An update to the Engine Control Unit (ECU) prevents a car from moving forward during a pit stop if the gearbox is not in neutral while the fuel hose is attached. Through the ECU, the fuel probe activation sensor can stop the car from moving forward by returning the engine to idle and engaging the clutch if the car is not in neutral when the fuel probe is plugged in.
  • Another ECU update puts the engine in idle faster if too much pressure is applied to the throttle or brake pedal. The throttle pedal failsafe will engage and idle the engine when pressure applied to either the throttle or brake pedal exceeds a calibrated threshold.