1991_San_Marino_Grand_Prix

1991 San Marino Grand Prix

The 1991 San Marino Grand Prix was a Formula One race held at Imola on April 28, 1991.

Race summary

Ayrton Senna claimed his 55th pole position from Riccardo Patrese, Alain Prost, Nigel Mansell and Gerhard Berger. However,the warm-up 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 was an early retirement. At the lights, Senna led away, 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 on lap 2 and Jean Alesi who spun off on lap 3 attempting a rather foolhardy pass on Stefano Modena. Patrese passed Senna - the first time in 1991 he had been led. 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 1/2 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 Mauricio 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. After a fantastic drive, Modena was unlucky to retire with transmission problems which meant that behind the two dominant McLarens, the order was now Roberto Moreno, Lehto, Eric van der Poele in a stunning drive for the little Lambo team and Martini's Minardi. 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. Berger put in a series of fastest laps to cut Senna's lead to just 1.7s at the line. Lehto was overjoyed to gain a podium place for Dallara, with Martini 4th. The Lotus drivers of Mika Häkkinen and Bailey took 5th and 6th respectively. Van de Poele's brilliant drive ended heartbreakingly for Lambo when a fuel pump broke on the last lap - he was classified ninth overall.

Classification

Pre Qualifying

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

Qualifying

Pos No Driver Constructor Time
1 1 Ayrton Senna McLaren-Honda 1:21.877
2 6 Riccardo Patrese Williams-Renault 1:21.957
3 27 Alain Prost Ferrari 1:22.195
4 5 Nigel Mansell Williams-Renault 1:22.366
5 2 Gerhard Berger McLaren-Honda 1:22.567
6 4 Stefano Modena Tyrrell-Honda 1:23.511
7 28 Jean Alesi Ferrari 1:23.945
8 24 Gianni Morbidelli Minardi-Ferrari 1:24.762
9 23 Pierluigi Martini Minardi-Ferrari 1:24.807
10 4 Satoru Nakajima Tyrrell-Honda 1:25.345
11 33 Andrea de Cesaris Jordan-Ford 1:25.491
12 32 Bertrand Gachot Jordan-Ford 1:25.531
13 19 Roberto Moreno Benetton-Ford 1:25.655
14 20 Nelson Piquet Benetton-Ford 1:25.809
15 15 Mauricio Gugelmin Leyton House-Ilmor 1:25.841
16 22 Jyrki Järvilehto Dallara-Ford 1:25.974
17 29 Éric Bernard Lola-Ford 1:25.983
18 7 Martin Brundle Brabham-Yamaha 1:26.055
19 26 Érik Comas Ligier-Lamborghini 1:26.207
20 30 Aguri Suzuki Lola-Ford 1:26.356
21 35 Eric van de Poele Lambo-Lamborghini 1:26.550
22 18 Ivan Capelli Leyton House-Ilmor 1:26.602
23 8 Mark Blundell Brabham-Yamaha 1:26.778
24 25 Thierry Boutsen Ligier-Lamborghini 1:26.998
25 11 Mika Häkkinen Lotus-Judd 1:27.324
26 12 Julian Bailey Lotus-Judd 1:27.976
27 17 Gabriele Tarquini AGS-Ford 1:28.175
28 18 Fabrizio Barbazza AGS-Ford 1:29.665
29 10 Alex Caffi Footwork-Porsche 1:30.280
30 9 Michele Alboreto Footwork-Porsche 1:30.762

Race

Pos No Driver Constructor Laps Time/Retired Grid Points
1 1 Ayrton Senna McLaren-Honda 61 1:35:14.750 1 10
2 2 Gerhard Berger McLaren-Honda 61 + 1.675 5 6
3 22 Jyrki Järvilehto 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 Out of fuel 21  
10 26 Érik Comas Ligier-Lamborghini 57 + 4 laps 19  
11 7 Martin Brundle Brabham-Yamaha 57 + 4 laps 18  
12 15 Mauricio Gugelmin Leyton House-Ilmor 55 Engine 15  
13 19 Roberto Moreno Benetton-Ford 54 Engine 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 13  
Ret 16 Ivan Capelli Leyton House-Ilmor 24 Spun Off 22  
Ret 29 Eric 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    

Notes

References

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