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Ferrari 643
1991 Formula One racing car by Ferrari
1991 Formula One racing car by Ferrari
| Field | Value | |
|---|---|---|
| Car_name | Ferrari 643 | |
| Image | [[Image:2006FOS 1991Ferrari.jpg | 275px]] |
| Caption | The 643 at the 2006 Goodwood Festival of Speed | |
| Category | Formula One | |
| Constructor | Ferrari | |
| Designer | Steve Nichols (Technical Director) | |
| Jean-Claude Migeot (Chief Designer) | ||
| Gianfranco Ciampolini (Head of Electronics) | ||
| Paolo Massai (Engine Department Director) | ||
| Predecessor | 642 | |
| Successor | F92A | |
| Team | Scuderia Ferrari SpA | |
| Drivers | 27. FRA Alain Prost | |
| 28. FRA Jean Alesi | ||
| 27. ITA Gianni Morbidelli | ||
| Technical ref | ||
| Chassis | Carbon fibre composite monocoque | |
| Front suspension | Double wishbones, push-rod actuated torsion bar springs, and telescopic shock absorbers, anti-roll bar | |
| Rear suspension | Double wishbones, push-rod actuated coil springs over telescopic shock absorbers, anti-roll bar | |
| Engine name | Ferrari Tipo 291, | |
| Capacity | 3499 cc, | |
| Configuration | 65° V12, | |
| Turbo/NA | NA, | |
| Engine position | mid-engine, longitudinally-mounted | |
| Power | 710 hp @ 13,800 rpm | |
| Gearbox name | Ferrari Type 643 | |
| Gears | 7-speed | |
| Type | semi-automatic | |
| Fuel | Agip | |
| Tyres | Goodyear | |
| Debut | 1991 French Grand Prix | |
| Last_event | 1991 Australian Grand Prix | |
| Races | 10 | |
| Wins | 0 | |
| Podiums | 6 | |
| Poles | 0 | |
| Fastest_laps | 0 |
Jean-Claude Migeot (Chief Designer) Gianfranco Ciampolini (Head of Electronics) Paolo Massai (Engine Department Director) 28. FRA Jean Alesi 27. ITA Gianni Morbidelli | Turbo/NA = NA,
The Ferrari 643 was a Formula One car designed by Steve Nichols and Jean-Claude Migeot and was built by Scuderia Ferrari for use in the 1991 Formula One season. Introduced at the French Grand Prix after being developed in May, the car initially demonstrated strong potential to compete at the front of the grid. Alain Prost qualified on the front row and briefly led the race before being overtaken by Nigel Mansell in the Renault-powered Williams FW14. Nevertheless, a second-place finish in its debut outing was regarded as an encouraging start. Ultimately, the car would help the team finish third in the 1991 Constructors' Championship.
Design
The chassis of the 643 was a total redesign over the 642 which suffered inconsistent handling issues and was designed to allow for softer suspension travel, as per Prost's request. The V12 engine was upgraded six major times during 1991, with the final evolution used from Portugal to the end of the season. The chassis itself had two revisions, the first after the French Grand Prix—which saw a relocation of the exhaust exits from underneath the car, and Belgium which saw minor alterations to the body cover.
Season overview
The car was not as competitive a car like the Williams FW14 and McLaren MP4/6 cars; a big problem with the car lay with a lack of correct data gathering due to the team's turbulent management structure at the time. The car's results (or lack thereof) was one of the main reasons for the falling out between Prost and Ferrari, with the Frenchman eventually saying that "a truck would be easier to drive than this car". Following the Japanese Grand Prix, Prost was fired for the second time in his F1 career by a works team (he had also been fired by the Renault team just 2 days after the conclusion to the season for his public criticism of the team's failure to adequately develop the Renault RE40 which had cost both himself and the team the respective Drivers' and Constructors' Championships). The team replaced him in Australia with test driver Gianni Morbidelli.
The car scored 39.5 points of the team's 55.5 points in 1991 (the 642 model was used to score 16 points in the first 6 races of the season) with 8 podiums and finished third in the Constructors' Championship.
Later use
The 643 was tested in early 1992 by Ivan Capelli before being replaced at the start of the season by the Ferrari F92A.
Performance
in the 1/1992 Sport Auto they found the Ferrari 643 had a performance of:
| Top speed | 332 kph (206 mph) |
|---|
Complete results
(key)
| Year | Team | Engine | Tyres | Drivers | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | Pts. | WCC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Scuderia Ferrari SpA | Ferrari Tipo 291 | |||||||||||||||||||||
| V12 | USA | BRA | SMR | MON | CAN | MEX | FRA | GBR | GER | HUN | BEL | ITA | POR | ESP | JPN | AUS | 55.5* | 3rd | ||||
| Alain Prost | 2 | 3 | Ret | Ret | Ret | 3 | Ret | 2 | 4 | |||||||||||||
| Jean Alesi | 4 | Ret | 3 | 5 | Ret | Ret | 3 | 4 | Ret | Ret | ||||||||||||
| Gianni Morbidelli | 6 |
- 16 points scored using Ferrari 642
References
References
- "Ferrari 643 • STATS F1".
- "Engine Ferrari • STATS F1".
- "1991 Ferrari 643 {{!}} Paris 2023".
- Zapelloni, Umberto. (April 2004). "Formula Ferrari". [[Hodder & Stoughton]].
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