Home > C31 cooling, Sauber C31 Ferrari > Many updates on Sauber C31 before Melbourne

Many updates on Sauber C31 before Melbourne


The blue labels in the photos above are temperature indication stickers , used by teams to track down temperature along the route of the hot gases .

       In addition to changes concerning C31 cooling, many other revisions took place on the car before Melbourne . The rear silhouette of the sidepod  tunnels was heavily modified after launch at Jerez test . The new longer tunnels expand smoothly to reach floor level  in a such way to guide more drastically the exhaust gases towards the  inside area of  the rear wheel profile and reach the diffuser . To enhance the effect further,  a channel is sculpted behind the periscope exhausts and later at Barcelona test on February   a vertical fence was added on the floor along the route of the hot gases.

         Speaking for the rear floor morphology , it was reshaped twice with the first revision to take place at Jerez alongside with the sidepod expansion to the rear and the second revision at Barcelona on March with the trapezoid channel in front of the rear wheel to be replaced by a small duct .

Launch,
trapezoid channel in front of the rear wheel

Barcelona on February,
Floor vertical fence in orange

Barcelona on March, ducted floor   

 

 

      A promising update for the team which took place also at Barcelona on March , was the connection of the sidepod panel  to the chassis via  a wavy winglet to force air flowing  above the  sidepod profile to follow the shape outline of the sidepod  stronger  and increase the downwash effect of exhaust gases to the diffuser .

 

Sidepod panel winglets

    Some interesting but important details on C31 are also the following

-a small duct , already present since launch , permits a small portion of air flowing under the floor to find exit above the floor level instead of bleeding to the sides .In some occasions the duct was partially covered with tape

– a  cooling duct for KERS components is spotted at left side only of the sidepod bottoms

-briefly Sauber tested a set of gills around the launch spec periscope exhausts

floor duct

KERS cooling duct

gills around periscope exhaust area

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