And so it begins
Webber already covering his arse, blaming the car for when Vettel outshines him.
After a promising birth for the RB5, the 2009 Red Bull is reportedly now facing a midfield finish at next weekend's Australian Grand Prix.
At its early tests, the Adrian Newey-penned car looked set to join Ferrari, BMW, Toyota and Renault at the closely-fought front of this season's grid.
But as the reliability of the Renault-powered car improved, the development of its sheer pace was not as good, culminating in a mediocre showing at its last pre-Melbourne outing in Barcelona last week.
Among the most concerned is Australian driver Mark Webber, who has not looked a match this winter for his young team-mate Sebastian Vettel.
After Barcelona, Webber told Germany's Auto Motor und Sport: "The car did not feel bad, and that is the most alarming thing.
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"The others have developed (their cars) better than we have," the 32-year-old added, claiming that the basic setup of the car suits Vettel's driving style better than his own.