Kazuki Nakajima driving the FW31 at the 2009 Spanish Grand Prix
Category
Formula One
Constructor
Williams
Designer(s)
Sam Michael (Technical Director) Ed Wood (Chief Designer) Jon Tomlinson (Chief Aerodynamicist)
Predecessor
Williams FW30
Successor
Williams FW32
Technical specifications[1]
Chassis
Carbon-aramid and honeycomb composite monocoque.
Suspension (front)
Carbon fibre double wishbone, with pushrod activated springs. Zero keel geometry.
Suspension (rear)
Double wishbone, with pushrod activated springs.
Wheelbase
3,100 mm (122.0 in)
Engine
Toyota RVX-09 2.4 L (146 cu in) 90° V8. Limited to 18,000 rpm. naturally-aspirated, longitudinally mid-mounted.
Transmission
Williams 7-speed electro-hydraulically actuated, semi-automatic, seamless shift.
Power
740 hp @ 18,000 rpm[2]
Weight
605 kg (1,334 lb) (including driver)
Fuel
Esso
Lubricants
Mobil 1
Tyres
Bridgestone Potenza
Competition history
Notable entrants
AT&T Williams
Notable drivers
16. Nico Rosberg 17. Kazuki Nakajima
Debut
2009 Australian Grand Prix
Last event
2009 Abu Dhabi Grand Prix
Races
Wins
Podiums
Poles
F/Laps
17
0
0
0
1
The Williams FW31 was a Formula One motor racing car, designed and built by Williams F1. The AT&T Williams team used the FW31 to compete in the 2009 Formula One season. The car was unveiled on 19 January 2009 at the Autódromo Internacional do Algarve circuit in southern Portugal, and was first driven by the team's test driver Nico Hülkenberg. It was a mid-field runner, in contention for points on many occasions when driven by Rosberg, but rarely contending for podiums. Rosberg could have finished in third position at Marina Bay during the 2009 Singapore Grand Prix if he had not run wide on the exit of the pit lane and received a penalty.
Rosberg was criticised for failing to achieve a pole position while topping the times in practices on numerous occasions, notably at the 2009 Brazilian Grand Prix - the Williams cars had excelled during practice sessions in wet conditions, but did not produce the same level of performance in qualifying. While Rosberg often scored points, and elevated the car to a finishing position that it was considered incapable of, Nakajima failed to score a point all season and possibly cost the team a higher position in the championship standings than the seventh place they eventually achieved.
The Williams FW31 was the first British F1 car to use Esso-branded fuel since 1973, as well as the first Williams F1 car to use Mobil 1 lubricants since 1988 season, as they had been using ExxonMobil brands since 1999.
^"Car: Tech Spec". www.WilliamsF1.com. Archived from the original on 2013-02-01. Retrieved 2009-02-05.
The WilliamsFW31 was a Formula One motor racing car, designed and built by Williams F1. The AT&T Williams team used the FW31 to compete in the 2009 Formula...
61806; -1.41278 Formula One portal Williams Grand Prix Engineering Limited, currently racing in Formula One as Williams Racing, is a British Formula One...
launched by Renault, Red Bull and Ferrari against the diffusers of the WilliamsFW31, Toyota TF109 and the BGP 001 saying that they were illegal. However...
complaint was launched by four teams against the rear diffusers of the WilliamsFW31, Toyota TF109, and the Brawn BGP 001 on the grounds that they did not...
second. The TF109 was the last F1 car to run on Esso fuel along with the WilliamsFW31 until the McLaren MP4-30 in the 2015 FIA Formula One World Championship...
weight limit to 605 kg (1,334 lb). Rosberg had an improved season: the WilliamsFW31 was one of three cars to have an early speed advantage because it featured...
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launched by the seven other teams against the rear diffusers of the WilliamsFW31, Toyota TF109 and the Brawn BGP 001 saying that they were illegal. The...
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timesheets in both Friday sessions and his thoughts on how well the WilliamsFW31 was comparing against his rivals. Three practice sessions were held...
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in the design of the FW31's suspension. She travelled back to France after she could not get full-time employment with Williams and joined Venturi Automobiles...
1837-1974," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:FW31-S5S : December 12, 2014), Ashley Wakefield Ramsdell and Geneva E. Mosley...