Sebastian Vettel, Red Bull, Korea, 2011

Vettel: Korea tyres are “very, very aggressive”

F1 Fanatic round-upPosted on | Author Keith Collantine

In the round-up: Sebastian Vettel describes Pirelli’s tyre choice for Korea as “very, very aggressive”.

Links

Top F1 links from the past 24 hours:

Korean GP – Conference 1 (FIA)

Sebastian Vettel: “I think, to some extent, we understand why tyre wear was more excessive than we thought, or we need to come here and confirm that I think we have another good chance in that regard, to understand more about tyres as the tyre approach for this weekend is very, very aggressive. So I?m not sure how many stops we will see but surely more than two, maybe even up to five.”

Watch Ayrton Senna at the 1991 Autosport Awards (Autosport)

Sauber: Suzuka updates (Scarbs F1)

“In detail the front wing sports a new profile and revised endplates. The leading edge forms a fairly flat profile and then lifts into an arc to meet the endplate. In a similar way that Red Bulls wing meets the FIA central section at 90-degrees. As such it aims to achieve the same function to create a strong vortex, in Sauber’s case to carry airflow out around the front tyre.”

Edd Straw via Twitter

Toro Rosso will stop using weight-saving aluminium wheel nuts after this race after the pit-stop error in Japan.”

Group Lotus Branches Out Into Karting

“Group Lotus has made an official entry into the CIK FIA World Karting Championship for 2012, as it looks to discover new driving talent.”

Mokpo vs Vegas ?ǣ A Tale of Two Races (F1 Vole Blog)

“I?d like Bernie [Ecclestone] to consider introducing a ??What if every round was like xxxxx? test when considering new races. Because if every round was like Korea ?ǣ F1 would be dead. On the other hand for IndyCar ?ǣ if every round was like Vegas, they?d be speeding up the comeback trail.”

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Comment of the day

Hamilton didn’t have a puncture in Japan but that doesn’t mean he didn’t lose tyre pressure, as Coefficient explains:

If the tyres fall off the cliff it means there is very little rubber left on the tyre. Therefore there isn?t enough rubber density to keep the heat in the tyre.

This then allows the gas in the tyre to shrink thus lowering the tyre pressures. The disparity in pressure from left to right can be explained by the track being half clockwise and half anti clockwise and as the lap was incomplete tyre wear was higher on one side than the other causing a more significant temp/pressure drop on one side.
Coefficient

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On this day in F1

Mika Hakkinen made his final F1 start ten years ago today in the Japanese Grand Prix.

Hakkinen finished fourth after letting team mate David Coulthard by into third place.

Jean Alesi also started his final race that day, but retired in a collision with Kimi Raikkonen on lap six.

The Prost team bowed out of Formula 1 as did Benetton – the latter team remaining in the guide of Renault.