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Ligier JS3  chassis #01 1971


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Monza Historic, 2015 Ligier JS3 chassis #01 1971
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In late 1970, Ligier commissioned a completely new racing car for 1971. The design of the car was done by Michel Têtu who for the all new JS3 racing car, instead to the 1.8 litre Cosworth engine used the Formula 1 3.0 DFV V8 Cosworth engine. With this three litre unit, the new Ligier would be able to compete in the prototype class whit Ferrari and Matra. The V8 was attached as a fully stressed member onto the monocoque chassis, which was very similar to contemporary F1 cars in design. Liveried in the yellow and green colours of main sponsor BP, the Ligier JS3 chassis #01 made its debut at Le Mans test days in April 1971 were Guy Ligier scored the 7th O.A. and 1st in the 3-litre class. Then drove the second place at the Le Mans 3 hours. He went on to win the Montlhéry race the following weekend then, in the following two races, the “Criterium du Nivernais” at Magny-Cours  and the “Coupes de Vitesse” at Linas-Montlhéry, Ligier failed to finish. At the le Mans 24 hours the car was driven by Guy Ligier and Patrick Depailler.  The qualifying times was not as impressive as it was during the test days in April and the JS3 coming in 17th. In the 18th hour of the race, the JS3 was in fifth position, but a gearbox failure obligate to stop. Ligier decides to attempt a repair and this takes the mechanics four hours of time in the pits. After a complete gearbox rebuilt, the car did manage to finish, and it crossed the finish line having completed only 270 laps, not enough to be classified.

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Alla fine del 1970 Ligier commissionò una vettura completamente nuova per la stagione 1971. Il progetto della vettura fu affidato a Michel Têtu il quale scelse per la nuova JS3 il motore Ford Cosworth DFV 3000cc di Formula 1 in luogo del quattro cilindri Cosworth 1800cc. Con questa unità di tre litri, la nuova vettura sarebbe stata in grado di competere nella classe prototipi con Ferrari e Matra. Il V8 fu montato in maniera portante su una monoscocca di disegno simile alle formula 1 contemporanee. Con la livrea giallo e verde dello sponsor principale BP, la Ligier JS3 chassis #01 fece il suo debutto durante il test della 24 ore di Le Mans, ad Aprile con Guy Ligier che segnò il settimo tempo e risultò primo nella classe 3 litri. In seguito finì al secondo posto nelle 3 ore di Le Mans. Nel fine settimana successivo, andò a vincere la “Coupe de Printemps” a  Montlhéry, ma fu costretto al ritiro nelle due seguenti corse, il “Criterium du Nivernais” a Magny-Cours  e la “Coupes de Vitesse” a Montlhéry. Alla 24 ore di Le Mans, va vettura fi guidata da Guy Ligier e da Patrick Depailler. Il tempo di qualifica non fu così buono come quello registrato durante i test di Aprile e la JS3 ottenne il 17° tempo. Alla 18° ora di corsa la JS3 si trovava al quinto posto ma un guasto al cambio la costrinse a fermarsi ai box. Ligier decise di tentare la riparazione e per questo la vettura rimase ai box per 4 ore, alla fine tagliò il traguardo avendo percorso solo 270 giri, non sufficienti per essere classificata.

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Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
Monza Historic, 2015 Ligier JS3 chassis #01 1971
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