Just a week after Sebastian Vettel's tyre failure at Spielberg, which Pirelli has blamed on debris but was initially thought to be related to the long stint the German was on at the time, the Italian manufacturer has recommended limits on how may laps each particular compound should be run for.

"Pirelli recommends that the following numbers of laps are not exceeded on each compound," said the Italian manufacturer, subsequently giving the hards a maximum, of 26 laps, the mediums a limit of 28 and softs just 15 laps.

"The hard compound experienced some graining, which is why the useful life of this tyre is predicted to be less than that of the medium," added the manufacturer.

This is the first time that Pirelli has made such a suggestion, and one of the results, other than the obvious questions that will be asked about whether this is related to Vettel's Austrian failure, is that a wider number of strategies are now possible.

On this basis, the optimal pit-stop strategies predicted are; a two-stopper which would see two stints on soft of 12 laps each and one 28-lap stint on medium, a three-stopper featuring three stints on softs of 12 laps each and one 16-lap stint on medium, another two-stopper consisting of a 12-lap stint on soft, one 14-lap stint on new softs and one 26-lap stint on hard. Alternatively there is the possibility of one stint on softs of 12 laps and two 20-lap stints on medium.

Pointing out that "different permutations of compound usage within each strategy are possible", much like the small print in an insurance policy, Pirelli adds that "these indications do not represent or constitute a guaranteed minimum number of laps for each compound."

Adding: "It is the responsibility of each team to define its own race strategies based on its own wear data."

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READERS COMMENTS

1. Posted by Spindoctor, 10/07/2016 9:48

"You couldn't make it up! Except that Bernie & his money-obsessed minions dis, and this is the result.

Please don't blame Pirelli - they didn't regulate for these stupid tyres & their artificial wear\performance\longevity problems, though they could have told Bernie where to go.....

Just another nail in the coffin of a once great Sport. So many pointless regulations that are consequences solely of Bernie's insane desire constantly to "spice up" the spectacle (i.e. make him more money).
Instead of dumping those which don't work they add new ones, which add further problems and so-on ad infinitum.
"

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2. Posted by GrahamG, 10/07/2016 9:36

"It just gets worse. Soon there will be compulsory pitstops to cover up Pirelli's total incompetence.
All this plus grid penalties, disallowed laps, engine "tokens" - F1 has become pathetic.
Can you imagine what would have happened on the Tour de France if F1 had been running it - immediate grid penalty for Chris Froome for "riding in an unorthodox manner"!! Now there's an event which knows how to organise and televise and create genuine racing and tension. "

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3. Posted by Speedbump, 10/07/2016 4:11

"What a joke."

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4. Posted by denithy, 09/07/2016 21:50

"Why would anyone even want to use hards then?"

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5. Posted by Tweek, 09/07/2016 21:18

"Why is it every time f1 comes to Britain there is drama with the tires?
Fix your tires.... Don't regulate the racing.
Rant concluded. "

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6. Posted by VC10-1103, 09/07/2016 20:50

"The regulations
"

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7. Posted by Ro, 09/07/2016 20:22

"There you go folks! Pirelli tyres wont last you very long on the road.....talk about shooting yourself in the foot ! I remember when we had engines developing over 1000 bhp, the tyres lasted a bit longer then, so whats changed ?"

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Pirelli recommends stint limits for each compound

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