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{{short description|Formula One race car}}
The '''Ligier JS7''' was the second [[Formula One]] [[racing car]] made by [[Equipe Ligier|Ligier]]. The car's name was accounted after [[Jo Schlesser]]'s initials, JS. <ref>http://www.chicanef1.com/indiv.pl?name=Ligier%20JS7&type=M Look up "Significance of name"</ref>. It competed in the [[1977 Formula One season]] and parts of the [[1978 Formula One season]] as well. In 1977, it gained 18 points, and in the first two races of 1978, the car did not finish in the points, thus giving the JS7 a total of 18 points. In 1978, the car was known as the '''Ligier JS7/9.'''
{{Infobox racing car
[[Image:Ligier JS7.jpg|thumb|right|[[Jacques Laffite]] driving the Ligier JS7.]]
| Car_name = Ligier JS7
| Image =
⚫
| Category = [[Formula One]]
| Constructor = [[Equipe Ligier|Ligier]]
| Team = [[Equipe Ligier|Ligier]] [[Gitanes]]
| Designer = [[Gérard Ducarouge]] (Technical Director)<br />[[Michel Beaujon]] (Chief Designer)<br />[[Robert Choulet]] (Head of Aerodynamics)
| Predecessor = [[Ligier JS5|JS5]]
| Successor = [[Ligier JS9|JS9]]
| Drivers = {{flagicon|FRA}} [[Jacques Laffite]]<br>{{flagicon|FRA}} [[Jean-Pierre Jarier]]
| Technical ref = <ref>[http://www.statsf1.com/es/ligier-js7.aspx Ligier JS7 @ StatsF1]</ref>
| Chassis = [[Aluminium]] [[monocoque]]
| Front suspension =
| Rear suspension =
| Wheelbase = {{convert|2608|mm|in||abbr=on}}
| Track = Front: {{convert|1536|mm|in||abbr=on}}<br>Rear: {{convert|1600|mm|in||abbr=on}}
| Engine name = [[Equipe Matra Sports|Matra]] MS76,
| Configuration = 60° [[V12 engine|V12]],
| Capacity = {{convert|2993|cc|cuin|1|abbr=on}},
| Turbo/NA = [[Naturally-aspirated engine|NA]],
| Engine position = [[mid-engine]], [[longitudinal engine|longitudinally mounted]]
| Gearbox name = [[Hewland]] 2-200 TL
| Gears = 6-speed
| Type = [[Manual transmission|manual]]
| Differential =
| Tyres = [[Goodyear Tire and Rubber Company|Goodyear]]
| Weight = {{convert|580|kg|lb||abbr=on}}
| Fuel = [[Royal Dutch Shell|Shell]]
| Debut = [[1977 Argentine Grand Prix]]
|First_win=[[1977 Swedish Grand Prix]]
|Last_win=1977 Swedish Grand Prix
|Last_event=[[1978 Swedish Grand Prix]]
| Races = 23
| Cons_champ = 0
| Drivers_champ = 0
| Wins = 1
| Poles = 0
| Fastest_laps = 1
}}


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]].
==Results==

⚫
([[:Template:F1 driver results legend 2|key]]) (results in '''bold''' indicate pole position)
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 forwent 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]].

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>

{{Clear}}

==Complete Formula One World Championship results==
⚫
([[:Template:F1 driver results legend 2|key]])
{| class="wikitable" style="text-align:center; font-size:95%"
{| class="wikitable" style="text-align:center; font-size:95%"
|-
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|-
|-
|rowspan="3"| [[1977 Formula One season|1977]]
|rowspan="3"| [[1977 Formula One season|1977]]
|rowspan="3"| Ligier JS7
|rowspan="3"| JS7
|rowspan="3"| [[Matra]] [[V12 engine|V12]]
|rowspan="3"| [[Equipe Matra Sports|Matra]] [[V12 engine|V12]]
|rowspan="3"| {{Goodyear}}
|rowspan="3"| {{Goodyear}}
||
||
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| style="background:#EFCFFF;"| Ret
| style="background:#EFCFFF;"| Ret
| style="background:#CFCFFF;"| 9
| style="background:#CFCFFF;"| 9
| style="background:#CFCFFF;"| 7
| style="background:#CFCFFF;"| ''7''
| style="background:#CFCFFF;"| 7
| style="background:#CFCFFF;"| 7
| style="background:#EFCFFF;"| Ret
| style="background:#EFCFFF;"| Ret
Line 94: Line 140:
| style="background:#EFCFFF;"| Ret
| style="background:#EFCFFF;"| Ret
|-
|-
|rowspan="2"| [[1978 Formula One season|1978]]
|rowspan="3"| [[1978 Formula One season|1978]]
|rowspan="2"| Ligier LS7/9
|rowspan="2"| JS7
|rowspan="2"| [[Matra]] [[V12 engine|V12]]
|rowspan="3"| [[Equipe Matra Sports|Matra]] [[V12 engine|V12]]
|rowspan="2"| {{Goodyear}}
|rowspan="3"| {{Goodyear}}
||
||
|| [[1978 Argentine Grand Prix|ARG]]
|| [[1978 Argentine Grand Prix|ARG]]
|| [[1978 Brazilian Grand Prix|BZL]]
|| [[1978 Brazilian Grand Prix|BRA]]
|| [[1978 South African Grand Prix|RSA]]
|| [[1978 South African Grand Prix|RSA]]
|| [[1978 United States Grand Prix West|USW]]
|| [[1978 United States Grand Prix West|USW]]
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|| [[1978 Canadian Grand Prix|CAN]]
|| [[1978 Canadian Grand Prix|CAN]]
||
||
|rowspan="2"| '''0*'''
|rowspan="3"| '''19*'''
|rowspan="2"| '''6th*'''
|rowspan="3"| '''6th'''
|-
|-
| [[Jacques Laffite]]
|rowspan="2"| [[Jacques Laffite]]
| style="background:#CFCFFF"| 16
| style="background:#CFCFFF"| 16
| style="background:#CFCFFF"| 9
| style="background:#CFCFFF"| 9
||
|
| style="background:#DFFFDF"| 5
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|-
| JS7/9
⚫
||
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| style="background:#DFFFDF;"| 5
⚫
||
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|
⚫
|
| style="background:#DFFFDF;"| 5
⚫
|
| style="background:#CFCFFF;"| 7
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|}


<nowiki>*</nowiki> 13 points scored using the JS9.
*Points total only includes the points gathered by the Ligier JS7. The total standings in the constructor's championship is still the same.


==Notes==
==References==
{{reflist}}
{{reflist}}


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{{F1 cars 1978}}
{{F1 cars 1978}}


[[Category: Ligier Formula One cars|Ligier JS7]]
[[Category:Ligier Formula One cars|Ligier JS07]]
⚫
[[Category: 1977 Formula One cars]]
[[Category: 1977 Formula One cars]]

Latest revision as of 10:49, 7 December 2024

Ligier JS7
CategoryFormula One
ConstructorLigier
Designer(s)Gérard Ducarouge (Technical Director)
Michel Beaujon (Chief Designer)
Robert Choulet (Head of Aerodynamics)
PredecessorJS5
SuccessorJS9
Technical specifications[1]
ChassisAluminium monocoque
Axle trackFront: 1,536 mm (60.5 in)
Rear: 1,600 mm (63 in)
Wheelbase2,608 mm (102.7 in)
EngineMatra MS76, 2,993 cc (182.6 cu in), 60° V12, NA, mid-engine, longitudinally mounted
TransmissionHewland 2-200 TL 6-speed manual
Weight580 kg (1,280 lb)
FuelShell
TyresGoodyear
Competition history
Notable entrantsLigier Gitanes
Notable driversFrance Jacques Laffite
France Jean-Pierre Jarier
Debut1977 Argentine Grand Prix
First win1977 Swedish Grand Prix
Last win1977 Swedish Grand Prix
Last event1978 Swedish Grand Prix
RacesWinsPolesF/Laps
23101
Constructors' Championships0
Drivers' Championships0

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 forwent 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

[edit]

(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

[edit]
  1. ^ Ligier JS7 @ StatsF1
  2. ^ 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.
  3. ^ Brown, Allen. "Ligier JS7 car-by-car histories". oldracingcars.com. Retrieved 22 September 2017.
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