Zytek Z11SN
 |
|
| Category | LMP2 |
|---|---|
| Constructor | Zytek Engineering |
| Designer(s) | Tim Holloway |
| Predecessor | Zytek 09SC |
| Technical specifications | |
| Chassis | Carbon-fibre composite monocoque |
| Suspension (front) | Independent double wishbone pushrod system with horizontal spring/damper unit |
| Suspension (rear) | Independent double wishbone pushrod system with horizontal spring/damper unit |
| Length | 4,482 mm (176.5 in) |
| Engine | NISMO VK45DE 4,494 cc (274.2 cu in) V8 NA mid-engine, longitudinally mounted |
| Transmission | Ricardo 6-speed semi-automatic |
| Weight | 900 kg (1,984.2 lb) |
| Fuel |
Total Excellium Shell V-Power |
| Tyres | Dunlop |
| Competition history | |
| Notable entrants |
Greaves Motorsport Jota Sport Caterham Motorsport |
| Notable drivers |
Martin Brundle Alex Brundle Lucas Ordóñez Simon Dolan Oliver Turvey Lucas Luhr Alexander Rossi Tom Kimber-Smith |
| Debut | 2011 6 Hours of Castellet |
The Zytek Z11SN is a LMP2-class car, which has been built by Zytek Engineering since 2011. It is an evolution of the Zytek 07S and the Zytek 09SC, updated for the new Le Mans Prototype regulations that were introduced in 2011. It has been predominantly used in the European Le Mans Series and the 24 Hours of Le Mans, and a Greaves Motorsport-entered Z11SN won the LMP2 categories of both series in 2011. In 2014, Jota Sport won the LMP2 category of the 24 Hours of Le Mans with a Z11SN.
In 2015, following Zytek's rebranding to Gibson Technology, the Z11SN was updated to the Gibson 015S.
For 2011, the Le Mans Prototype rules were changed to reduce costs. As a result, the Ginetta-Zytek GZ09S became obsolete, and the Zytek 09SC, previously an LMP2-class car, became an LMP1-class car. In response to this, Zytek developed the car into the new Z11SN, and signed a deal with NISMO to use the Nissan GT-R Super GT's Nissan VK45DE engine. This was a 4.5 litre naturally-aspirated V8 engine, producing approximately 450 hp (336 kW; 456 PS) in LMP2 specification.Greaves Motorsport were the only team to enter a Z11SN in its first season, with their chassis having originally been a Zytek 07S. The car was immediately successful, with a debut class victory (and third overall) at the 6 Hours of Castellet, driven by Karim Ojjeh, Gary Chalandon and Tom Kimber-Smith. The season would prove to be a successful one; Greaves Motorsport took the class victory at the 24 Hours of Le Mans, and the LMP2 Team's Championship title in the Le Mans Series. At the end of the season, this chassis was retired, and three new ones were built.
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