Home > C31 cooling, C31 diffuser, Sauber C31 Ferrari > Sauber C31 – ducted rear floor

Sauber C31 – ducted rear floor


ducted floor , additional gills are pointed with yellow arrow . It was tested also at Barcelona on March

       Sauber  rushed to optimize further the rear end of the C31 and raced at Melbourne a ducted floor in front of the tyre profile . Ducted rear floor is not a new idea in Formula 1 and was a common feature a couple years ago . The duct is within FIA technical regulations because it is situated outside of the area of the  900 mm wide floor continuous surface , something that  article 3.7.6  imposes . It is believed that the duct feeds the diffuser with air coming above the floor level , air that is strengthened further  by exhaust gases that bent downwards due to the special shape of the bodywork behind the exhaust pipes (down-wash effect) .

 A logical step forward to enhance the effect of the design would be the following

–          two channeled sculpted bodywork ,behind the pipe , with the outer channel to expand further outwards .The expansion of the channel without dividing it into two would ruin somehow the direction control of the dpwnwash effect

–          new vertical floor fence with a benting inwards leading edge

likely development scenario

       Finally Sauber paid extra attention to the car’s cooling efficiency at very hot and moist Sepang circuit and added two slits close to the exhaust area , pointed with a yellow arrow in first illustration .

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