Red Bull technical director Adrian Newey insists that the team will continue with the development of its current car until the 2011 championship title is finally secured.

Sebastian Vettel needs just one point from the final five races to be mathematically certain of the drivers' title while the team has also moved closer to the constructors' championship - having extended its lead over McLaren to 138 points thanks to a 1-3 finish in Singapore.

The likes of Ferrari have already turned focus to the 2012 season in an effort to get an advantage in the development of their new cars but Newey said that Red Bull would only switch its focus to next year's challenger when the title is wrapped up.

"It's that time of the year now where we desperately want to get the double in the championships if we can," he was quoted by ESPN. "We want to keep pushing the current car, keep it reliable if we can, and then we really have to have our attention on next year's car at the same time. We're deep into the design of the chassis and the gearbox [of the 2012 car], and as the two longest lead items we have to be, time scales demand that.

"But the things we learn on this car can go into next year's car and vice-a-versa. The regulation changes are fairly small for the winter, the most significant one is that we are much more restricted with what we can do with the exhaust system, but apart from that it's fairly similar rules."

While the drivers title is all but won, Newey insisted that Red Bull's focus was on securing the constructors' title for another season, with a desire to defend that title as well being the main reason for continuing the development of the current car.

"It's a matter of keeping our feet on the ground; things can easily go wrong still," he said. "We're not there in the constructors' yet and we've still got five races to go. We'll continue to take each race race-by-race and try to do the best job we can and hope that that's good enough."