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1991 San Marino Grand Prix

The 1991 San Marino Grand Prix was a Formula One motor race held at Imola on 28 April 1991. The 61-lap race was the third race of the 1991 Formula One season and was won from pole position by Ayrton Senna, driving a McLaren-Honda, with team-mate Gerhard Berger second and JJ Lehto third in a Dallara-Judd.

1991 San Marino Grand Prix
Race 3 of 16 in the 1991 Formula One World Championship
The Imola circuit in its 1991 configuration
The Imola circuit in its 1991 configuration
Race details
Date 28 April 1991
Official name XI Gran Premio di San Marino
Location Autodromo Enzo e Dino Ferrari,
Imola, Emilia-Romagna, Italy
Course Permanent racing facility
Course length 5.040 km (3.132 mi)
Distance 61 laps, 307.440 km (191.034 mi)
Weather Wet at start, dry by finish
Pole position
Driver McLaren-Honda
Time 1:21.877
Fastest lap
Driver Austria Gerhard Berger McLaren-Honda
Time 1:26.531 on lap 55
Podium
First McLaren-Honda
Second McLaren-Honda
Third Dallara-Judd

Contents

BackgroundEdit

With the team under new management having been sold by Cyril De Rouvre, Stefan Johansson was replaced at AGS by F1 debutant Fabrizio Barbazza.

Race summaryEdit

Ayrton Senna claimed his 55th pole position from Riccardo Patrese, Alain Prost, Nigel Mansell and Gerhard Berger. However, the formation lap saw two dramatic incidents - Prost spun off the track at Rivazza Turn, followed by Berger, who was able to continue. However Prost stalled the engine and did not take the start.

At the lights, Patrese took the lead ahead of Senna, whilst Mansell, already slow off the line with gearbox problems, retired at the end of lap 1 after a collision with Martin Brundle. He was followed out by Nelson Piquet who spun off on lap 2, Aguri Suzuki who spun off on lap 3 and Jean Alesi who also spun off on lap 3 attempting a rather foolhardy pass on Stefano Modena.

In a strong lead, Patrese pitted for originally what appeared to be an early stop to slicks turned out to be more serious - a misfire with a faulty camshaft sensor. He restarted last before retiring for good 9 laps later.

Berger was catching Senna, lapping 1.5 seconds quicker than his teammate. The lead was soon down to 5 seconds, with Modena a superb third from Satoru Nakajima and the two Minardis of Pierluigi Martini and Gianni Morbidelli.

Both McLarens pitted for tyres with Senna maintaining his lead. Just after setting fastest lap, Berger was delayed in traffic, held up by the trio of Maurício Gugelmin, Julian Bailey and Thierry Boutsen. Bailey himself moved past Andrea de Cesaris into 6th, whilst Nakajima retired with transmission problems.

Ivan Capelli spun into retirement from 4th to hand over to JJ Lehto's Dallara. Modena retired with transmission problems which meant that behind the two dominant McLarens, the order was now Roberto Moreno, Lehto, Eric van de Poele for the little Modena team and Martini's Minardi. Meanwhile de Cesaris would eventually retire in the pits with gearbox problems on lap 38.

Moreno's gearbox broke on lap 52 causing him to retire, whilst Senna was having problems with oil pressure caused by the special high-torque Honda V12. As the Leyton House of Maurício Gugelmin eventually retired with an engine failure on lap 58. Berger put in a series of fastest laps to cut Senna's lead to just 1.7s at the line. As Eric van de Poele had retired on the last lap with the result of fuel pump problems and was classified 7th.

Lehto was overjoyed to gain the first podium place of his career for Dallara, with Martini 4th. Van de Poele's drive ended when a fuel pump broke on the last lap - he was classified ninth overall. The Lotus drivers of Mika Häkkinen and Bailey took 5th and 6th, both scoring their first world championship points, an unexpected result for the troubled team since their cars had barely managed to enter the grid with Häkkinen 25th and Bailey 26th. This race was also noted for being the only F1 point for Julian Bailey.

ClassificationEdit

Pre-QualifyingEdit

Pos No Driver Constructor Time Gap
1 33   Andrea de Cesaris Jordan-Ford 1:25.535
2 22   JJ Lehto Dallara-Judd 1:25.923 +0.388
3 32   Bertrand Gachot Jordan-Ford 1:25.980 +0.445
4 35   Eric van de Poele Lambo-Lamborghini 1:26.117 +0.582
5 21   Emanuele Pirro Dallara-Judd 1:26.305 +0.770
6 14   Olivier Grouillard Fondmetal-Ford 1:26.789 +1.254
7 34   Nicola Larini Lambo-Lamborghini 1:26.886 +1.351
8 31   Pedro Chaves Coloni-Ford 1:31.239 +5.704

QualifyingEdit

Pos No Driver Constructor Q1 Q2 Gap
1 1   Ayrton Senna McLaren-Honda 1:21.877 1:43.633
2 6   Riccardo Patrese Williams-Renault 1:21.957 1:42.455 +0.080
3 27   Alain Prost Ferrari 1:22.195 1:42.429 +0.318
4 5   Nigel Mansell Williams-Renault 1:22.366 1:41.878 +0.489
5 2   Gerhard Berger McLaren-Honda 1:22.567 1:40.322 +0.690
6 4   Stefano Modena Tyrrell-Honda 1:23.511 1:44.613 +1.634
7 28   Jean Alesi Ferrari 1:23.945 1:41.149 +2.068
8 24   Gianni Morbidelli Minardi-Ferrari 1:24.762 no time +2.885
9 23   Pierluigi Martini Minardi-Ferrari 1:24.807 no time +2.930
10 3   Satoru Nakajima Tyrrell-Honda 1:25.345 1:42.063 +3.468
11 33   Andrea de Cesaris Jordan-Ford 1:25.491 1:44.118 +3.614
12 32   Bertrand Gachot Jordan-Ford 1:25.531 1:44.897 +3.654
13 19   Roberto Moreno Benetton-Ford 1:25.655 1:45.216 +3.778
14 20   Nelson Piquet Benetton-Ford 1:25.809 1:42.911 +3.932
15 15   Maurício Gugelmin Leyton House-Ilmor 1:25.841 no time +3.964
16 22   JJ Lehto Dallara-Judd 1:25.974 1:43.397 +4.097
17 29   Éric Bernard Lola-Ford 1:25.983 no time +4.106
18 7   Martin Brundle Brabham-Yamaha 1:26.055 no time +4.178
19 26   Érik Comas Ligier-Lamborghini 1:26.207 1:46.667 +4.330
20 30   Aguri Suzuki Lola-Ford 1:26.356 no time +4.479
21 35   Eric van de Poele Lambo-Lamborghini 1:26.550 1:47.619 +4.673
22 18   Ivan Capelli Leyton House-Ilmor 1:26.602 1:52.949 +4.725
23 8   Mark Blundell Brabham-Yamaha 1:26.778 1:49.539 +4.901
24 25   Thierry Boutsen Ligier-Lamborghini 1:26.998 1:44.125 +5.121
25 11   Mika Häkkinen Lotus-Judd 1:27.324 1:47.444 +5.447
26 12   Julian Bailey Lotus-Judd 1:27.976 1:45.931 +6.099
27 17   Gabriele Tarquini AGS-Ford 1:28.175 no time +6.298
28 18   Fabrizio Barbazza AGS-Ford 1:29.665 no time +7.788
29 10   Alex Caffi Footwork-Porsche 1:30.280 2:06.589 +8.403
30 9   Michele Alboreto Footwork-Porsche 1:30.762 19:39.741 +8.885

RaceEdit

Pos No Driver Constructor Laps Time/Retired Grid Points
1 1   Ayrton Senna McLaren-Honda 61 1:35:14.750[1] 1 10
2 2   Gerhard Berger McLaren-Honda 61 + 1.675 5 6
3 22   JJ Lehto Dallara-Judd 60 + 1 Lap 16 4
4 23   Pierluigi Martini Minardi-Ferrari 59 + 2 Laps 9 3
5 11   Mika Häkkinen Lotus-Judd 58 + 3 Laps 25 2
6 12   Julian Bailey Lotus-Judd 58 + 3 Laps 26 1
7 25   Thierry Boutsen Ligier-Lamborghini 58 + 3 Laps 24  
8 8   Mark Blundell Brabham-Yamaha 58 + 3 Laps 23  
9 35   Eric van de Poele Lambo-Lamborghini 57 Fuel Pump 21  
10 26   Érik Comas Ligier-Lamborghini 57 + 4 Laps 19  
11 7   Martin Brundle Brabham-Yamaha 57 + 4 Laps 18  
12 15   Maurício Gugelmin Leyton House-Ilmor 55 Engine 15  
13 19   Roberto Moreno Benetton-Ford 54 Gearbox 13  
Ret 4   Stefano Modena Tyrrell-Honda 41 Transmission 6  
Ret 33   Andrea de Cesaris Jordan-Ford 37 Gearbox 11  
Ret 32   Bertrand Gachot Jordan-Ford 37 Suspension 12  
Ret 16   Ivan Capelli Leyton House-Ilmor 24 Spun Off 22  
Ret 29   Éric Bernard Lola-Ford 17 Engine 17  
Ret 6   Riccardo Patrese Williams-Renault 17 Electrical/Misfire 2  
Ret 3   Satoru Nakajima Tyrrell-Honda 15 Transmission 10  
Ret 24   Gianni Morbidelli Minardi-Ferrari 10 Gearbox 8  
Ret 28   Jean Alesi Ferrari 2 Spun Off 7  
Ret 30   Aguri Suzuki Lola-Ford 2 Spun Off 20  
Ret 20   Nelson Piquet Benetton-Ford 1 Spun Off 14  
Ret 5   Nigel Mansell Williams-Renault 0 Collision 4  
DNS 27   Alain Prost Ferrari 0 Spun Off 3  
DNQ 17   Gabriele Tarquini AGS-Ford        
DNQ 18   Fabrizio Barbazza AGS-Ford        
DNQ 10   Alex Caffi Footwork-Porsche        
DNQ 9   Michele Alboreto Footwork-Porsche        
DNPQ 21   Emanuele Pirro Dallara-Judd        
DNPQ 14   Olivier Grouillard Fondmetal-Ford        
DNPQ 34   Nicola Larini Lambo-Lamborghini        
DNPQ 31   Pedro Chaves Coloni-Ford    
Source:[2]

NotesEdit

Championship standings after the raceEdit

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

ReferencesEdit

  1. ^ Henry, Alan (1991). AUTOCOURSE 1991-92. Hazleton Publishing. p. 125. ISBN 0-905138-87-2.
  2. ^ "1991 San Marino Grand Prix". formula1.com. Archived from the original on 3 November 2014. Retrieved 23 December 2015.


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1991 Brazilian Grand Prix
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1991 season
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1991 Monaco Grand Prix
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1990 San Marino Grand Prix
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1992 San Marino Grand Prix