Ligier JS P2
The Ligier JS P2 is a racing car designed and built by French manufacturer Onroak Automotive and named in partnership with French former racing driver Guy Ligier. Designed for the Le Mans Prototype 2 (LMP2) regulations, it is intended as a second option to Onroak's Morgan LMP2 that has been competing since 2012. As well as being the first closed-cockpit car offered by Onroak, it is also the first car they designed entirely in-house. The JS P2 debuted at the 2014 24 Hours of Le Mans, and has been campaigned in the FIA World Endurance Championship, European Le Mans Series, Asian Le Mans Series and IMSA WeatherTech SportsCar Championship.
|Category||Le Mans Prototype 2|
|Successor||Ligier JS P217|
|Chassis||Carbon fibre monocoque|
|Suspension (front)||Double wishbones with pushrod-activated dampers|
|Suspension (rear)||Same as front|
|Length||4,610 mm (181 in)|
|Width||2,000 mm (79 in)|
|Wheelbase||2,865 mm (112.8 in)|
|Engine||Nissan, Judd, or Honda in a longitudinal mid-mounted configuration|
|Transmission||Xtrac 626 6-speed hydraulically-activated sequential manual transmission|
|Weight||Appr. 900 kg (2,000 lb)|
|Tyres||Michelin, Dunlop, or Continental|
|Notable entrants|| OAK Racing|
Thiriet by TDS Racing
Michael Shank Racing
Tequila Patrón ESM
|Debut||2014 24 Hours of Le Mans|
|Teams' Championships||2 (2015 FIA WEC, 2016-17 AsLMS)|
|Drivers' Championships||2 (2015 FIA WEC, 2016-17 AsLMS)|
Onroak initially planned to develop a car for the Le Mans Prototype 1 category but cancelled these plans to concentrate on the LMP2 category. The design was seen by Onroak as marketable in North America where closed-cockpit designs, which were required for all LMP1 cars, were also prominent choices for LMP2s and Daytona Prototypes in the new United SportsCar Championship. The LMP1 design was therefore evolved into an LMP2 design with measures taken to assure the car met the Automobile Club de l'Ouest's (ACO) cost limitations in LMP2. The car was designed to be able to utilize available LMP2 engines: Nissan and Judd's naturally aspirated V8 engines and Honda's turbocharged V6 engine. A high downforce sprint design and a low downforce Le Mans setup are offered for the car.
Naming of the JS P2 came about through an alliance between Onroak and Guy Ligier's partnership of Equipe Ligier and Automobiles Martini. The JS P2 follows Ligier's naming scheme of his cars being named after French racing driver Jo Schlesser (JS). The partnership included Onroak taking over development of Ligier-Martini's Group CN car.
The JS P2 began initial testing in March 2014. The debut of the first JS P2s was set for the 24 Hours of Le Mans in June, where the Ligier name would race for the first time since a Ligier JS2 had finished second overall in 1975. OAK would enter two cars, one backed by Nissan's drivers and engine while the other car featured three Chinese drivers and a Honda powerplant. The third car was purchased by privateers Thiriet by TDS Racing and also used a Nissan engine. The two Nissan JS P2 qualified well, with TDS's car on pole position and the first OAK car in third. All three cars finished the 24 hour endurance with TDS in second and OAK in fifth and seventh places in class.
Following Le Mans TDS Racing campaigned their Ligier in the remainder of the European Le Mans Series, but were unable to finish the three races in which they participated. OAK Racing meanwhile brought their Ligier to the United States for the two remaining rounds of the United SportsCar Championship, where Alex Brundle put the Honda-powered JS P2 on pole position on debut at Circuit of the Americas en route to a second-place finish. The Nissan-powered OAK car moved to the FIA World Endurance Championship where it earned five consecutive pole positions in the five remaining races as well as class victories at Fuji Speedway and Shanghai International Circuit.
In 2015 the American Krohn Racing team purchased a JS P2 for a partial season in the United SportsCar Championship and a full season in the European Le Mans Series, and will be the first team to utilize Judd power in the Ligier. Michael Shank Racing purchased a Honda-powered JS P2 for a full United SportsCar Championship campaign, and won pole position at the Rolex 24 at Daytona.
- "Onroak Automotive Ligier JS P2" (PDF). Onroak Automotive. Archived from the original (PDF) on 24 September 2015. Retrieved 13 February 2015.
- "OnRoak, Ligier Announce Partnership". Sportscar365. 6 December 2013. Retrieved 13 February 2015.
- Dagys, John (4 March 2014). "Ligier JS P2 Breaks Cover". Sportscar365. Retrieved 13 February 2015.
- Mercier, Laurent (4 March 2014). "Nicolet Pleased with Ligier JS P2 Rollout". Sportscar365. Retrieved 13 February 2015.
- Dagys, John (16 March 2014). "Ligier JS P2 Receives Homologation, Set for Le Mans Debut". Sportscar365. Retrieved 13 February 2015.
- Dagys, John (12 June 2014). "Nakajima, Toyota Take Landmark Pole at Le Mans". Sportscar365. Retrieved 13 February 2015.
- DiZinno, Tony (19 September 2014). "Brundle Secures Ligier-Honda TUSC Debut Pole at COTA". Sportscar365. Retrieved 13 February 2015.
- Dagys, John (29 January 2015). "Nergi Completes Krohn Racing Lineup in ELMS". Sportscar365. Retrieved 13 February 2015.
- "Negri Takes MSR Ligier JS P2 Honda to Rolex 24 Pole". Sportscar365. 22 January 2015. Retrieved 13 February 2015.
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