Sauber began testing the passive double DRS

Coming to the end of the first half of the winter tests, the team decided the first issue, has achieved the desired reliability of new cars and go to work on speed.
Yesterday in the car Sauber appeared intake passive double DRS is allowed by the rules of the system in which the position of the rolling element rear wing depends on the strength of the air flow, and today, S32 established and managing the output duct. The command starts the system tests, which last year showed quite capricious, hoping to achieve an effective work by the beginning of the season.
In McLaren refused passive double DRS, representatives Lotus said it would continue efforts to achieve effective operation of the system, but many believe that by focusing their efforts in other directions, you can make more progress.