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Tech tidbits: Looking at Force India, Williams aero elements (VIDEO)

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During today’s second free practice session for the Singapore Grand Prix, NBCSN Formula 1 analyst Steve Matchett explained in further detail some aero elements making waves this weekend around the Marina Bay Street Circuit.

In the first clip, below, Matchett looks at the new carbon fiber winglets added to the engine cover fin of the Sahara Force India VJM10 Mercedes chassis.

That video is below. Sergio Perez and Esteban Ocon have positioned Force India a solid fourth place in the Constructor’s Championship but have also had some internal strife between them this season.

Meanwhile in looking at air flow through the rear wing, here’s Matchett’s look at the Williams FW40 Mercedes, piloted by Lance Stroll and Felipe Massa.

Both the Force India and Williams have three-layer T-wings on the engine cover fin of the car.

SINGAPORE – SEPTEMBER 15: Felipe Massa of Brazil driving the (19) Williams Martini Racing Williams FW40 Mercedes on track during practice for the Formula One Grand Prix of Singapore at Marina Bay Street Circuit on September 15, 2017 in Singapore. (Photo by Clive Mason/Getty Images)

Ferrari teammates Vettel and Raikkonen fastest in rainy final practice at Australian GP

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MELBOURNE, Australia (AP) — Ferrari drivers Sebastian Vettel and Kimi Raikkonen went one-two in the final practice session ahead of qualifying at the water-logged Australian Grand Prix on Saturday.

Vettel set a best-lap time of 1 minute, 26.067 seconds, more than 2.4 seconds faster than his teammate in second.

Both Ferrari drivers switched from their intermediate tires to the super-fast, ultra-soft tires for the final few laps of the session, testing conditions on the track after a day-long downpour left it slick and filled with small puddles.

Mercedes drivers Valtteri Bottas and Lewis Hamilton did not opt to try out their soft tires, sticking to the intermediates for the entire session. They had the seventh- and eighth-fastest times, after topping the leaderboard in practice in dry conditions on Friday.

The heavy rains subsided by early afternoon, allowing the track to rapidly dry during the third practice session and making conditions safe for drivers to test their soft tires.

Still, only a few drivers completed a timed lap with the softer compounds, with Mercedes, Red Bull and most of the others staying with their intermediates.

Sauber’s Marcus Ericsson had the third-fastest time of the session on ultrasoft tires, followed by Red Bull’s Max Verstappen on intermediates.

Hamilton remains the favorite to capture his fifth straight pole position at the Australian Grand Prix in qualifying later Saturday. He had the fastest laps on ultrasoft tires in the two practice sessions on Friday, though Verstappen was right behind him.

Verstappen and Vettel both slid on the slick track early in the third practice session, but maintained control and completed their runs without incident.

Verstappen’s teammate, Daniel Ricciardo, had the sixth-fastest time of the session. The Australian’s chances of winning his fifth career Grand Prix on his home track in Melbourne took a hit late Friday when he was assessed a three-place grid penalty for Sunday’s race.

The Australian driver was penalized for driving too fast under red-flag conditions during Friday’s second practice session because of debris on the track.