Bargeboard FW31 Williams F1 2009 car.
As driven by Nico Rosberg and Kazuki Nakajima.
The Williams-Toyota FW31 is based on a carbon-aramid and honeycomb composite monocoque, with an aerodynamic package incorporatin a double diffuser at the rear of the car. The front suspension features carbon fiber, double wishbones with pushrod activated springs and zero keel geometry; similarly, the rear suspension is a double wishbone, pushrod design. The car is powered by a naturally aspirated, longtitudinally mounted 2.4 liter, 90° V8 Toyota RVX-09 with revs limited to 18,000 RPM and estimated output of 740 horsepower. Power is transferred to the rear wheels via a Williams, seven-speed, electro-hydraulically actuated, semi-automatic, seamless shift transmission.