Williams FW31

Kazuki Nakajima, Williams FW31 Toyota, British F1 GP (2009)

Williams' F1 car for 2009

Technical specifications Williams FW31 F1 car

Chassis construction: Monocoque construction fabricated from carbon aramid epoxy and honeycomb composite structure, surpassing FIA impact and strength requirements
Front suspension: Carbon bre double wishbone arrangement, with composite toelink and pushrod activated springs and anti-roll bar
Rear suspension: Double wishbone and pushrod activated springs and anti-roll bar
Transmission: Williams F1 seven speed seamless sequential semi-automatic shift plus reverse gear in a aluminium maincase, gear selection electro-hydraulically actuated
Clutch: AP Carbon plate
Dampers: Williams F1
Wheels: RAYS forged magnesium
Tyres: Bridgestone Potenza, F 350mm wide, R 375mm wide
Brake system: 6 piston AP calipers all round, Carbon Industrie carbon discs and pads
Steering: Williams F1 power assisted rack and pinion
Fuel system: ATL Kevlar-reinforced rubber bladder
Electronic systems: MES
KERS: Williams Hybrid Power’s patented Magnetic Loaded Composite flywheel system
Cooling system: Marston oil, water, and gearbox radiators
Cockpit: Driver six point safety harness with 75mm shoulder straps & HANS system, removable anatomically formed carbon fibre seat covered in Alcantara. Safety Devices extinguisher systems

Dimensions

Weight: 605 kg with driver, camera and ballast
Wheelbase: 3100 mm
Length: 4800 mm
Height: 950 mm
Width: 1800 mm

Engine

Designation: Toyota 2.4L V8, 90° V angle, pneumatic valve train.
Fuel management and ignition systems: Toyota
Spark plugs: ND
Engine materials: include block and pistons in aluminium, crankshaft in steel billet, connecting rods in titanium