2009 F1 season: Williams unveil new FW31 at Portimao 

Written by David on January 19th, 2009 at 12:00 pmLast Update: January 23rd, 2009 at 7:09 am

Williams Fw31The Williams F1 team unveiled this morning at the Portimao circuit their new car, the Fw31. Just like Ferrari’s, Toyota’s and McLaren’s new cars unveiled last week, the Williams FW31 features a narrow rear wing and a larger front one. The new FW31 will have today its track debut at the Portuguese circuit and will run in its winter test livery, as the full racing colors will not be unveiled until prior to the 2009 Australian Grand Prix.

Williams Fw31

Williams Fw31

Williams Fw31 rear wing

Williams Fw31 front wing

Williams FW31 Technical Specifications:

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


  • 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

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