HUNGARY GRAND PRIX 2005 – TECHNICAL ANALYSIS


FIA FORMULA ONE 2005 CHAMPIONSHIP – HUNGARY GRAND PRIX


Red Bull RB01 – rear aero development

Hungary saw Red Bull’s final major aerodynamic revisions to their RB01 machine before they switch their attentions to the detailed design process for next year’s car. Here, we see a revised engine cover, with even narrower sidepods sculpted inwards at the rear. This tighter rear-end packaging increases the overall aerodynamic efficiency of the car.

Wlliams FW27 – triple mid wing

As Budapest is a very twisty circuit, Williams adapted their aerodynamics accordingly. For the first time the FW27 sported a series of three mid wings to create additional downforce right at the centre of the car. This doesn’t cause any change to the overall aerodynamic balance, due to the central location, with no pre-eminence either to the front or rear downforce load.


Toyota TF105 – triple mid wing

In a bid to claw back downforce lost under the 2005 regulations, Toyota adopted this solution in Hungary, where it is so desperately needed. The three wing elements are placed close together to create the effect of a one larger wing on top of the engine cover. Their position in the centre of the car means they do not upset the balance of the chassis, with no prevailing load towards the front or rear.

 

Renault R25 – rear wing development

A revised design for the tight, twisting Hungaroring, where downforce levels are higher than anywhere bar Monaco. A saw-tooth profile to the Gurney flap (red arrow) adds downforce, but also helps in detaching the airflow as it leaves the exit profile of the flap. This helps ease the inevitable disruption caused by vortices generated by the high wing angles at this track. The three horizontal slits on the endplates also reduce turbulence and cut drag


Minardi PS05 – rear wing development

Minardi introduced this new design in Hockenheim and have added a small wing on top of the rear crushable structure for Hungary. The main changes are the four rounded slits in the upper-front corner of the endplates, similar to those used by other teams this season to reduce turbulence. The endplates are now narrower at the top too, with a new curving profile at the bottom. The large vertical slit – Minardi were the first to introduce this last season – remains, lessening drag and raising the efficiency of the wing’s lower profile.

 

 



Sauber C24 – chimney venting

 

Sauber have two versions of their closed sidepod chimneys. This version for Hungary has double air vents on its inner edge which still allows some hot air to escape – useful with the hot, damp weather here. It is one of a number of changes on the car for this race. Among others is an extra Gurney tab on the rear wing’s exit profile, designed to provide extra grip out of this circuit’s tight, low-speed corners.

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