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The Manufacturer department. ORECA design and built its own chassis, which clinch wins in sportscar racing

Oreca 07 LMP2

The family of Le Mans Prototypes designed by ORECA is growing. The brand new ORECA 07 has started its development programme in October. In compliance with the new LM P2 rules, which will come into force in 2017, this prototype embodies ORECA Technology’s most advanced expertise and know-how.

Powered by the Gibson atmospheric V8 engine, common to all LM P2 manufacturers, the ORECA 07 is ‘our furthest-developed prototype to date, the one on which we have made the least compromises possible’, said ORECA Technology’s Director David Floury. Based on the ORECA 05’s monocoque, the new ORECA 07 benefits from radically different aero as well as significantly increased efficiency and downforce. As required by the regulations, the ORECA 07 weighs 930kg – thorough research was dedicated to save weight – its ballast is thus quite substantial.

With partnerships in place with reference brands such as X-Trac for the gearbox or PKM Consulting for shock absorbers, the mechanical aspect builds on from the ORECA 05, LMP2 winning car in the last two editions of the 24 Hours of Le Mans. Nonetheless each component has been optimised, whether in terms of sheer performance or reliability.

More information on the press release

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Technical Sheet

 Chassis

  • Monocoque: Carbon fibre & Honeycomb
  • Length: 4.745 mm
  • Width: 1.895 mm
  • Height: 1.045 mm
  • Front track: 1.570 mm
  • Rear track: 1.550 mm
  • Wheelbase: 3.005 mm
  • Weight: 930 kg

Engine

  • Gibson GK-428 : 4200 cc
  • Type: Normally aspirated 90 degree V8
  • Power output: 603 bhp
  • Max. revs: 9.000 RPM
  • Lubrication: dry sump / staged oil pump
  • Engine electronic control unit: Cosworth

Various

  • Suspensions: double wishbones with pushrod
  • Adjustable shocks, specifically developed by PKM
  • Tyres, according to the teams choice: FRONT : 30-68/R18 , REAR : 31-71/R18
  • Front rims: 12,5″x18″
  • Rear rims: 13″x18″

Gearbox

  • Supplier: Xtrac
  • Type: Six-speed sequential
  • Gear change: steering wheel-mounted paddles / Pneumatic paddle shift system
  • Speeds: 6 + reverse

Brakes

  • Ventilated carbon discs
  • Calipers: 6 monobloc

Safety Equipment

  • Six-point harness adapted for HANS system
  • Safety rubber fuel tank

Bodywork

  • Carbon – Kevlar Light lamination

Achievements

2017 

  • Winner 4 Hours of Monza, G-Drive Racing, Rojas/Hirakawa/Roussel
  • Winner 6 Hours of Spa-Francorchamps, G-Drive Racing, Rusinov/Thiriet/Lynn
  • Winner 6 Hours of Silverstone: Jackie Chan DC Racing, Tung/Jarvis/Laurent and 
  • Pole: 12 Hours of Sebring (Rebellion Racing), 4 Hours of Silverstone ELMS (DragonSpeed), 6 Hours of Silverstone, 6 Hours of Spa-Francorchamps FIA WEC (G-Drive Racing), 4 Hours of Monza (Graff Racing)

Photos

2016 - ORECA 07 LM P2 Test

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Technology

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