24 Hours of Le Mans: LMP1 cars image

The LMP1 prototype vehicles are the fastest closed-wheel racing cars used in circuit racing today.

2012 Technical regulations LMP class:
MINIMUM WEIGHT: 900 kg
MOTOR: Petrol Aspirates Max 3400 cc max; Turbo 2000 cc max
Motor: Diesel Turbo 3700 cc max
FUEL CAPACITY: Petrol: Max 75 litres; Petrol Hybrid: 73 litres
Diesel: 60 liters; Hybrid: 58 liters

List of the 2012 LMP1 vehicles:
AUDI R18 E-TRON QUATTRO Hybrid
AUDI R18 ULTRA
TOYOTA TS 030 – HYBRID
LOLA B12/60 COUPE – TOYOTA
OAK PESCAROLO – JUDD
PESCAROLO 03 – JUDD
DOME – JUDD
HPD ARX 03a – HONDA

2012-04-20-r18-etron

Technical data Audi R18 e-tron quattro / ultra (2012)
Vehicle type: Le Mans Prototype (LMP1)
Monocoque: Carbon-fiber composite with aluminum honeycomb, online tested according to the strict FIA crash and safety standards

Battery: Lithium ion batteries

Engine: Turbocharged 120° V6, patient 4 valves per cylinder, viagra 60mg DOHC, 1 Garrett turbocharger, mandatory intake air restrictor of 1 x 45.8 mm diameter and turbo boost pressure limited to 2.8 bar absolute, diesel direct injection TDI, fully stressed aluminum cylinder block, diesel particle filter

Engine management: Bosch MS24
Engine lubrication: Dry sump, Castrol

Displacement: 3,700 cc
Power: Over 375 kW / 510 hp
Torque: Over 850 Nm

Hybrid system: Electric flywheel accumulator, max 500 KJ, WHP
Motor Generator Unit (MGU): MGU on the front axle, water cooled with integrated power electronics, 2 x 75 kW

Drive / transmission: Rear wheel drive, traction control (ASR), four-wheel drive e-tron quattro from 120 km/h
Clutch: Carbon clutch
Gearbox: Sequential, electrically activated 6-speed racing gearbox
Differential: Limited-slip rear differential
Gearbox housing: Carbon-fiber composite with titanium inserts

Driveshafts: Constant velocity sliding tripod universal joints
Steering: Electrical assisted rack and pinion steering
Suspension: Front and rear double wishbone independent suspension, front pushrod system and rear pull rod system with adjustable dampers
Brakes: Hydraulic dual circuit brake system, monobloc light alloy brake calipers, ventilated carbon disc brakes front and rear, infinitely manually adjustable front and rear brake balance
Wheels: O.Z. magnesium forged wheels

Tires: Michelin Radial, Front: 360/710-18, rear: 370/710-18
Length: 4,650 mm

Width: 2,000 mm

Height: 1,030 mm

Minimum weight: 900 kg

Fuel tank capacity: 58 liters

2012-04-20-r18-ultra

Technical data Audi R18 ultra
Vehicle type: Le Mans Prototype (LMP1)
Monocoque: Carbon-fiber composite with aluminum honeycomb, tested according to the strict FIA crash and safety standards

Battery: Lithium ion batteries

Engine: Turbocharged 120° V6, 4 valves per cylinder, DOHC, 1 Garrett turbocharger, mandatory intake air restrictor of 1 x 45.8 mm diameter and turbo boost pressure limited to 2.8 bar absolute, diesel direct injection TDI, fully stressed aluminum cylinder block, diesel particle filter

Engine management: Bosch MS24
Engine lubrication: Dry sump, Castrol

Displacement: 3,700 cc
Power: Over 375 kW / 510 hp
Torque: Over 850 Nm

Type of drive: Rear wheel drive, traction control (ASR)
Clutch: Carbon clutch
Gearbox: Sequential, electrically activated 6-speed racing gearbox
Differential: Limited-slip rear differential
Gearbox housing: Carbon-fiber composite with titanium inserts

Driveshafts: Constant velocity sliding tripod universal joints
Steering: Electrical assisted rack and pinion steering
Suspension: Front and rear double wishbone independent suspension, front pushrod system and rear pull rod system with adjustable dampers
Brakes: Hydraulic dual circuit brake system, monobloc light alloy brake calipers, ventilated carbon disc brakes front and rear, infinitely manually adjustable front and rear brake balance
Wheels: O.Z. magnesium forged wheels

Tires: Michelin Radial, Front: 360/710-18, rear: 370/710-18

Length: 4,650 mm

Width: 2,000 mm

Height: 1,030 mm

Minimum weight: 900 kg

Fuel tank capacity: 60 liters

2012_01_26_toyota-ts030_moy53008

Toyota TS030 Hybrid Technical Information

Type Le Mans Prototype (LMP1)
Bodywork Carbon fibre composite
Windscreen Polycarbonate
Gearbox Transversal with 6 gears sequential
Gearbox casing Aluminium
Driveshafts Constant velocity tripod plunge-joint driveshafts
Clutch Multidisc
Differential Viscous mechanical locking differential
Suspension Independent front and rear double wishbone, pushrod-system
Springs Torsion bars
Anti roll bars Front and rear
Steering Hydraulically assisted
Brakes Dual circuit hydraulic braking system, mono-block light-alloy brake calipers front and rear
Discs Ventilated front and rear in carbon
Rims Magnesium forged wheels
Front rims 14.5 x 18 inch
Rear rims 14.5 x 18 inch
Tyres Michelin radial
Font tyres 36/71-18
Rear tyres 37/71-18
Rear tyres 37/71-18
Seat belts TAKATA
Width 2000 mm
Height 1030 mm
Fuel capacity 73 litres
Powertrain TOYOTA HYBRID System – Racing (THS-R)
Engine 90° V8 normally aspirate
Fuel Petrol
Capacity 3.4 l
Valves 4
Air restrictors 1 x 43.3mm
Capacitor Nisshinbo
Front Hybrid Motor AW Aisin
Rear Hybrid Motor DENSO