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1991 Portuguese Grand Prix

1991 Portuguese Grand Prix
Race 13 of 16 in the 1991 Formula One World Championship
Race details
Date 22 September 1991
Official name XXIII Grande Premio de Portugal
Location Autódromo do Estoril
Course Permanent racing facility
Course length 4.350 km (2.703 miles)
Distance 71 laps, 308.850 km (191.910 miles)
Weather Sunny and warm
Pole position
Driver Williams-Renault
Time 1:13.001
Fastest lap
Driver United Kingdom Nigel Mansell Williams-Renault
Time 1:18.179 on lap 43
Podium
First Williams-Renault
Second McLaren-Honda
Third Ferrari
Lap leaders

The 1991 Portuguese Grand Prix was a Formula One motor race held at the Autódromo do Estoril on 22 September 1991. It was the thirteenth race of the 1991 Formula One World Championship.

The 71-lap race was won by Italian driver Riccardo Patrese, driving a Williams-Renault, after he started from pole position. Patrese's teammate and Drivers' Championship challenger, Briton Nigel Mansell, led until a pit stop went wrong, resulting in his disqualification from the race. Brazilian Ayrton Senna finished second in a McLaren-Honda, thus increasing his lead over Mansell in the championship to 24 points with three races remaining, with Frenchman Jean Alesi finishing third in a Ferrari.

Pre-race

The only change to the driver line-up was that Johnny Herbert was back at Lotus, replacing Michael Bartels, who had failed to qualify in his three outings for the team.

Qualifying

Pre-qualifying report

It was the fourth consecutive 1–2 for the Brabham team in Friday morning pre-qualifying, with Martin Brundle outpacing his team-mate Mark Blundell by just 0.049 of a second. Third was Gabriele Tarquini in the AGS, just under three tenths of a second off the pace in the new JH27. The Footwork of Michele Alboreto was fourth, the Italian's fourth pre-qualifying success in five attempts.

The four drivers to miss out included Tarquini's team-mate Fabrizio Barbazza in fifth position, although he was closer to the pace than in previous events, driving the new AGS JH27 for the first time. Olivier Grouillard could only manage sixth place on this occasion for Fondmetal, his eighth pre-qualifying failure this season, and the Frenchman was sacked by the team after the Grand Prix weekend. Alex Caffi struggled again in the other Footwork in seventh place, his fourth failure in five pre-qualifying attempts, in contrast with his team-mate Alboreto. At the bottom of the time sheets, Pedro Chaves was unable to post a representative time at his home event in the Coloni, but the team announced it had been purchased by Italian shoe designer Andrea Sassetti.[1]

Pre-qualifying classification

Pos No Driver Constructor Time Gap
1 7 United Kingdom Martin Brundle Brabham-Yamaha 1:17.739
2 8 United Kingdom Mark Blundell Brabham-Yamaha 1:17.788 +0.049
3 17 Italy Gabriele Tarquini AGS-Ford 1:18.020 +0.281
4 9 Italy Michele Alboreto Footwork-Ford 1:18.371 +0.583
5 18 Italy Fabrizio Barbazza AGS-Ford 1:19.292 +1.553
6 14 France Olivier Grouillard Fondmetal-Ford 1:19.500 +1.761
7 10 Italy Alex Caffi Footwork-Ford 1:19.521 +1.782
8 31 Portugal Pedro Chaves Coloni-Ford 1:23.858 +6.119

Qualifying report

Qualifying saw the top teams' second drivers beating the championship contenders. Riccardo Patrese took pole ahead of Gerhard Berger, with Ayrton Senna and Nigel Mansell third and fourth respectively. The top ten was rounded out by Alain Prost, Jean Alesi, Maurício Gugelmin, Pierluigi Martini, Ivan Capelli, and Michael Schumacher, the Benetton team a little off their usual pace.

Qualifying classification

Pos No Driver Constructor Q1 Q2 Gap
1 6 Italy Riccardo Patrese Williams-Renault 1:14.041 1:13.001
2 2 Austria Gerhard Berger McLaren-Honda 1:13.221 1:13.430 +0.220
3 1 Brazil Ayrton Senna McLaren-Honda 1:13.752 1:13.444 +0.443
4 5 United Kingdom Nigel Mansell Williams-Renault 1:13.944 1:13.667 +0.666
5 27 France Alain Prost Ferrari 1:15.018 1:14.352 +1.351
6 28 France Jean Alesi Ferrari 1:15.572 1:14.852 +1.851
7 15 Brazil Maurício Gugelmin Leyton House-Ilmor 1:17.214 1:15.266 +2.265
8 23 Italy Pierluigi Martini Minardi-Ferrari 1:15.394 1:16.982 +2.393
9 16 Italy Ivan Capelli Leyton House-Ilmor 1:15.481 1:15.827 +2.480
10 19 Germany Michael Schumacher Benetton-Ford 1:16.477 1:15.578 +2.577
11 20 Brazil Nelson Piquet Benetton-Ford 1:16.241 1:15.666 +2.665
12 4 Italy Stefano Modena Tyrrell-Honda 1:16.018 1:15.707 +2.706
13 24 Italy Gianni Morbidelli Minardi-Ferrari 1:16.540 1:15.749 +2.748
14 33 Italy Andrea de Cesaris Jordan-Ford 1:15.972 1:15.936 +2.935
15 8 United Kingdom Mark Blundell Brabham-Yamaha 1:16.567 1:16.038 +3.037
16 32 Brazil Roberto Moreno Jordan-Ford 1:16.956 1:16.080 +3.079
17 21 Italy Emanuele Pirro Dallara-Judd 1:16.725 1:16.135 +3.134
18 22 Finland JJ Lehto Dallara-Judd 1:16.724 1:16.532 +3.531
19 7 United Kingdom Martin Brundle Brabham-Yamaha 1:17.298 1:16.536 +3.535
20 25 Belgium Thierry Boutsen Ligier-Lamborghini 1:18.005 1:16.757 +3.756
21 3 Japan Satoru Nakajima Tyrrell-Honda 1:16.926 1:17.035 +3.925
22 12 United Kingdom Johnny Herbert Lotus-Judd 1:17.713 1:17.015 +4.014
23 26 France Érik Comas Ligier-Lamborghini 1:18.192 1:17.226 +4.225
24 9 Italy Michele Alboreto Footwork-Ford 1:18.389 1:17.330 +4.329
25 30 Japan Aguri Suzuki Lola-Ford 1:17.434 1:17.537 +4.433
26 11 Finland Mika Häkkinen Lotus-Judd 1:18.947 1:17.714 +4.713
27 29 France Éric Bernard Lola-Ford 1:18.186 1:17.825 +4.824
28 17 Italy Gabriele Tarquini AGS-Ford 1:18.295 1:18.022 +5.021
29 34 Italy Nicola Larini Lambo-Lamborghini 1:21.612 1:18.139 +5.138
30 35 Belgium Eric van de Poele Lambo-Lamborghini 1:20.411 1:18.266 +5.265

Race

Race report

On Sunday Morning Prost's Ferrari had a rather dramatic blowup in the warmup, and the Frenchman had to start the race in the spare car. The start was very eventful with Patrese getting away well and with Mansell aggressively chopping across the front of Senna. Unimpressed, he tried to retake Mansell going into the first turn but Nigel held his line and then proceeded to sweep underneath Berger to grab second at the second corner. After lap 1 the order was Patrese, Mansell, Berger, Senna, and Alesi. Mansell seemed content to shadow Patrese until lap 18 when he slipstreamed past his teammate on the main straight and proceeded to pull away. Things were looking good for Williams until Mansell came in for his stop on lap 29 and disaster struck: a communications mix-up by the pit crew resulted in Mansell being sent off with the right rear wheel of his car not properly attached. The wheel rotated clean off and a frustrated Mansell was left stranded in the pit lane. In the heat of the moment, the crew scampered over to the car and fitted a fresh wheel outside of the pit box, a violation of the rules.

Mansell emerged in 17th place and started a charge through the field; he was up to sixth when he was finally shown the black disqualification flag on lap 51. He would, however, keep the fastest lap of the race, set on lap 43. The incident left Patrese comfortably in the lead from Berger and Senna, and Senna went second when Berger's engine blew on lap 37, he was followed out of the race by Prost's Ferrari, which also decided it had enough. On lap 40 the order was Patrese, Senna, Alesi, Martini, and Capelli, with the latter three being involved in an exciting battle for third place; Alesi didn't make errors despite being under pressure from the Minardi, and so the order remained unchanged until the late stages when the fifth placed Capelli suffered a front wing problem and ended up in the barriers, he came in the pits for a front wing change but retired only a lap later. Patrese cruised home to his second win of the season and fifth of his career. Senna was second and tightened the screw on his third drivers title. Alesi, Martini, Piquet, and Schumacher rounded out the top six. With three races to go Senna led Mansell by 24 points.

Race classification

Pos No Driver Constructor Laps Time/Retired Grid Points
1 6 Italy Riccardo Patrese Williams-Renault 71 1:35:42.304 1 10
2 1 Brazil Ayrton Senna McLaren-Honda 71 + 20.941 3 6
3 28 France Jean Alesi Ferrari 71 + 53.554 6 4
4 23 Italy Pierluigi Martini Minardi-Ferrari 71 + 1:03.498 8 3
5 20 Brazil Nelson Piquet Benetton-Ford 71 + 1:10.033 11 2
6 19 Germany Michael Schumacher Benetton-Ford 71 + 1:16.582 10 1
7 15 Brazil Maurício Gugelmin Leyton House-Ilmor 70 + 1 lap 7
8 33 Italy Andrea de Cesaris Jordan-Ford 70 + 1 lap 14
9 24 Italy Gianni Morbidelli Minardi-Ferrari 70 + 1 lap 13
10 32 Brazil Roberto Moreno Jordan-Ford 70 + 1 lap 16
11 26 France Érik Comas Ligier-Lamborghini 70 + 1 lap 23
12 7 United Kingdom Martin Brundle Brabham-Yamaha 69 + 2 laps 19
13 3 Japan Satoru Nakajima Tyrrell-Honda 68 + 3 laps 21
14 11 Finland Mika Häkkinen Lotus-Judd 68 + 3 laps 26
15 9 Italy Michele Alboreto Footwork-Ford 68 + 3 laps 24
16 25 Belgium Thierry Boutsen Ligier-Lamborghini 68 + 3 laps 20
17 16 Italy Ivan Capelli Leyton House-Ilmor 64 Front wing 9
Ret 4 Italy Stefano Modena Tyrrell-Honda 56 Engine 12
DSQ 5 United Kingdom Nigel Mansell Williams-Renault 51 Illegal pit stop 4
Ret 30 Japan Aguri Suzuki Lola-Ford 40 Transmission 25
Ret 27 France Alain Prost Ferrari 39 Engine 5
Ret 2 Austria Gerhard Berger McLaren-Honda 37 Engine 2
Ret 21 Italy Emanuele Pirro Dallara-Judd 18 Engine 17
Ret 22 Finland JJ Lehto Dallara-Judd 14 Gearbox 18
Ret 8 United Kingdom Mark Blundell Brabham-Yamaha 12 Suspension 15
Ret 12 United Kingdom Johnny Herbert Lotus-Judd 1 Engine 22
DNQ 29 France Éric Bernard Lola-Ford
DNQ 17 Italy Gabriele Tarquini AGS-Ford
DNQ 34 Italy Nicola Larini Lambo-Lamborghini
DNQ 35 Belgium Eric van de Poele Lambo-Lamborghini
DNPQ 18 Italy Fabrizio Barbazza AGS-Ford
DNPQ 14 France Olivier Grouillard Fondmetal-Ford
DNPQ 10 Italy Alex Caffi Footwork-Ford
DNPQ 31 Portugal Pedro Chaves Coloni-Ford
Source:[2]

Championship standings after the race

  • Note: Only the top five positions are included for both sets of standings.

References

  1. ^ Walker, Murray (1991). Murray Walker's Grand Prix Year. Hazleton Publishing. pp. 109–116. ISBN 0-905138-90-2.
  2. ^ "1991 Portuguese Grand Prix". formula1.com. Archived from the original on 3 November 2014. Retrieved 23 December 2015.
  3. ^ a b "Portugal 1991 - Championship • STATS F1". www.statsf1.com. Retrieved 20 March 2019.


Previous race:
1991 Italian Grand Prix
FIA Formula One World Championship
1991 season
Next race:
1991 Spanish Grand Prix
Previous race:
1990 Portuguese Grand Prix
Portuguese Grand Prix Next race:
1992 Portuguese Grand Prix
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