As seen in Spain, Toyota are the only team to currently have their rear brake callipers mounted inboard relative to the rear axle, concentrating more weight closer to the car's centre of gravity. Most other teams have the calliper mounted on the other side of the brake disc behind the rear axle, while those on the Brawn and Red Bull are positioned horizontally at the base of the disc.
Brawn BGP001 - steering column packaging
In Spain Brawn, like many teams, introduced a new rear aero package around the exhaust exits, but it's interesting to note two other clever solutions on the Mercedes-powered car. One is the low position of the steering column (left arrow), at the same level as the front suspension's lower wishbone. This lowers the car's centre of gravity, improving balance and handling. Also helpful in this area is the flexible range of options the team have available to them in terms of putting ballast in the knife-shaped section of floor at the front of the car (right arrow).
Ferrari F60 - revised front wing endplates
In Spain, Ferrari have introduced Brawn-style front wing endplates, with a second element (1) to better manage the airflow around the front tyres. They have kept the small fin (2) introduced in Bahrain, and there is also an additional slot (3), similar to that on the Toyota. The wing's main profile is also different, higher from the ground at the rear, adjacent to the endplate.
McLaren MP4-24 - revised rear
Like most teams, McLaren have a revised aero package in Spain. However, a new front wing didn't give the expected results on Friday, leaving the team to retain only their updated diffuser on Saturday. It has a twin central section (1), different to the design seen at the start of the season but retaining a similar low central section (2). Note the little fin (3), which improves control of the drag generated by the rear tyres.
BMW Sauber F1.09 - revised rear wing
BMW Sauber have almost a totally new car in Barcelona, lighter, with a new nose and front wing, new sidepods, engine cover and this rear wing, which exploits the 15 cm of design freedom along the centre line of the car. With its additional central elements and what resemble miniature endplates, it's a solution that creates more downforce and one that will be very useful at the next round in Monaco, a particularly slow circuit. The F1.09's rear diffuser is unchanged and the team's new twin version will only be introduced once they are positive it will show a significant improvement.
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