 Alex Zanardi driving the FW21 at the 1999 Canadian Grand Prix | |||||||||||
| Category | Formula One | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Constructor | Williams | ||||||||||
| Designer(s) | Patrick Head (Technical Director) Gavin Fisher (Chief Designer) Brian O'Roake (Chief Composites Engineer) Mark Tatham (Chief Mechanical Engineer) Geoff Willis (Head of Aerodynamics) Jason Somerville (Principal Aerodynamicist) Nick Alcock (Principal Aerodynamicist) | ||||||||||
| Predecessor | Williams FW20 | ||||||||||
| Successor | Williams FW22 | ||||||||||
| Technical specifications | |||||||||||
| Chassis | Carbon-fibre monocoque | ||||||||||
| Suspension (front) | Williams double wishbone, pushrod | ||||||||||
| Suspension (rear) | Williams double wishbone, pushrod | ||||||||||
| Engine | Renault RS9 (branded as Supertec) FB01 3.0-litre V10 (71°) naturally aspirated mid-engined | ||||||||||
| Transmission | Williams 6-speed longitudinal semi-automatic sequential | ||||||||||
| Power | 780 hp @ 15,800 rpm[1] | ||||||||||
| Fuel | Petrobras | ||||||||||
| Lubricants | Castrol | ||||||||||
| Tyres | Bridgestone | ||||||||||
| Competition history | |||||||||||
| Notable entrants | Winfield Williams | ||||||||||
| Notable drivers | 5.  Alessandro Zanardi6.  Ralf Schumacher | ||||||||||
| Debut | 1999 Australian Grand Prix | ||||||||||
| Last event | 1999 Japanese Grand Prix | ||||||||||
| |||||||||||
| Constructors' Championships | 0 | ||||||||||
| Drivers' Championships | 0 | ||||||||||
The Williams FW21 was the car with which the Williams team competed in the 1999 Formula One World Championship. It was driven by German Ralf Schumacher, who had swapped from Jordan with compatriot Heinz-Harald Frentzen, and Italian Alessandro Zanardi, who had last raced in Formula One in 1994 but had since won the CART championship twice.