Ligier JS7: Difference between revisions
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The '''Ligier JS7''' was the second [[Formula One]] [[racing car]] made by [[Equipe Ligier|Ligier]]. As with the preceding [[Ligier JS5|JS5]], the letters "JS" were in tribute to [[Guy Ligier]]'s friend [[Jo Schlesser]] who was killed in the [[1968 French Grand Prix]]. |
The '''Ligier JS7''' was the second [[Formula One]] [[racing car]] made by [[Equipe Ligier|Ligier]]. As with the preceding [[Ligier JS5|JS5]], the letters "JS" were in tribute to [[Guy Ligier]]'s friend [[Jo Schlesser]] who was killed in the [[1968 French Grand Prix]]. |
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Aside from using the Matra V12 rather than the usual [[Cosworth DFV|Ford Cosworth]] unit, the JS7 was a very conventional design with a Hewland six-speed transmission and a longitudinally mounted engine and wishbone suspension. The JS7 forewent the giant air intake of the preceding JS5.<ref name="lAbel177">{{cite journal | ref=lA0177 | journal=L'Automobile | page= 74 | title= Nouveautés F1 1977 | |
Aside from using the Matra V12 rather than the usual [[Cosworth DFV|Ford Cosworth]] unit, the JS7 was a very conventional design with a Hewland six-speed transmission and a longitudinally mounted engine and wishbone suspension. The JS7 forewent the giant air intake of the preceding JS5.<ref name="lAbel177">{{cite journal | ref=lA0177 | journal=L'Automobile | page= 74 | title= Nouveautés F1 1977 |trans-title= F1 News 1977 | language = French | editor-last= Thevenet | editor-first= Jean-Paul | location=[[Neuilly-sur-Seine|Neuilly]], France | number= 367 | date=January 1977 | publisher=Societé des Editions Techniques et Touristiques de France }}</ref> The front wing design echoed that of the [[Ferrari 312T]]. |
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The JS7 competed in the [[1977 Formula One season]] and the first two races of the [[1978 Formula One season|1978 season]]. An updated version, dubbed the '''JS7/9''' was used for three races in 1978 until the definitive 1978 car, the [[Ligier JS9|JS9]] was ready. Laffite's victory in the 1977 Swedish Grand Prix was the first all-French victory - chassis, engine and driver - in World Championship history.<ref name="Brown">{{cite web|last1=Brown|first1=Allen|title=Ligier JS7 car-by-car histories|url=http://www.oldracingcars.com/ligier/js7/|website=oldracingcars.com|accessdate=22 September 2017}}</ref> |
The JS7 competed in the [[1977 Formula One season]] and the first two races of the [[1978 Formula One season|1978 season]]. An updated version, dubbed the '''JS7/9''' was used for three races in 1978 until the definitive 1978 car, the [[Ligier JS9|JS9]] was ready. Laffite's victory in the 1977 Swedish Grand Prix was the first all-French victory - chassis, engine and driver - in World Championship history.<ref name="Brown">{{cite web|last1=Brown|first1=Allen|title=Ligier JS7 car-by-car histories|url=http://www.oldracingcars.com/ligier/js7/|website=oldracingcars.com|accessdate=22 September 2017}}</ref> |
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Revision as of 20:18, 16 November 2017
| Category | Formula One | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Constructor | Ligier | ||||||||
| Designer(s) | Gérard Ducarouge Michel Beaujon | ||||||||
| Predecessor | JS5 | ||||||||
| Successor | JS9 | ||||||||
| Technical specifications[1] | |||||||||
| Chassis | Aluminium monocoque | ||||||||
| Axle track | Front: 1,536 mm (60.5 in) Rear: 1,600 mm (63 in) | ||||||||
| Wheelbase | 2,608 mm (102.7 in) | ||||||||
| Engine | Matra MS76, 2,993 cc (182.6 cu in), 60° V12, NA, mid-engine, longitudinally mounted | ||||||||
| Transmission | Hewland 2-200 TL 6-speed manual | ||||||||
| Weight | 580 kg (1,280 lb) | ||||||||
| Fuel | Shell | ||||||||
| Tyres | Goodyear | ||||||||
| Competition history | |||||||||
| Notable entrants | Ligier Gitanes | ||||||||
| Notable drivers |  Jacques Laffite Jean-Pierre Jarier | ||||||||
| Debut | 1977 Argentine Grand Prix | ||||||||
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| Constructors' Championships | 0 | ||||||||
| Drivers' Championships | 0 | ||||||||
The Ligier JS7 was the second Formula One racing car made by Ligier. As with the preceding JS5, the letters "JS" were in tribute to Guy Ligier's friend Jo Schlesser who was killed in the 1968 French Grand Prix.
Aside from using the Matra V12 rather than the usual Ford Cosworth unit, the JS7 was a very conventional design with a Hewland six-speed transmission and a longitudinally mounted engine and wishbone suspension. The JS7 forewent the giant air intake of the preceding JS5.[2] The front wing design echoed that of the Ferrari 312T.
The JS7 competed in the 1977 Formula One season and the first two races of the 1978 season. An updated version, dubbed the JS7/9 was used for three races in 1978 until the definitive 1978 car, the JS9 was ready. Laffite's victory in the 1977 Swedish Grand Prix was the first all-French victory - chassis, engine and driver - in World Championship history.[3]
Complete Formula One World Championship results
(key)
| Year | Chassis | Engine | Tyres | Drivers | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | Points | WCC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1977 | JS7 | Matra V12 | G | ARG | BRA | RSA | USW | ESP | MON | BEL | SWE | FRA | GBR | GER | AUT | NED | ITA | USA | CAN | JPN | 18 | 8th | |
| Jacques Laffite | NC | Ret | Ret | 9 | 7 | 7 | Ret | 1 | 8 | 6 | Ret | Ret | 2 | 8 | 7 | Ret | 5 | ||||||
| Jean-Pierre Jarier | Ret | ||||||||||||||||||||||
| 1978 | JS7 | Matra V12 | G | ARG | BRA | RSA | USW | MON | BEL | ESP | SWE | FRA | GBR | GER | AUT | NED | ITA | USA | CAN | 19* | 6th | ||
| Jacques Laffite | 16 | 9 | 5 | ||||||||||||||||||||
| JS7/9 | 5 | 5 | 7 |
* 13 points scored using the JS9.
References
- ^ Ligier JS7 @ StatsF1
- ^ Thevenet, Jean-Paul, ed. (January 1977). "Nouveautés F1 1977" [F1 News 1977]. L'Automobile (in French) (367). Neuilly, France: Societé des Editions Techniques et Touristiques de France: 74.
- ^ Brown, Allen. "Ligier JS7 car-by-car histories". oldracingcars.com. Retrieved 22 September 2017.
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