Lotus R31 specs & info

Lotus Renault R31 (2011)

Lotus' F1 car for 2011

Technical specifications Lotus R31 F1 car

Chassis: Moulded carbon fibre and aluminium honeycomb composite monocoque, manufactured by Lotus Renault GP and designed for maximum strength with minimum weight. RS27-2011 V8 engine installed as a fully-stressed member.
Front suspension: Carbon fibre top and bottom wishbones operate an inboard rocker via a pushrod system. This is connected to a torsion bar and damper units which are mounted inside the front of the monocoque. Aluminium uprights and OZ machined magnesium wheels.
Rear suspension: Carbon fibre top and bottom wishbones with pull rod operated torsion springs and transverse-mounted damper units mounted in the top of the gearbox casing. Aluminium uprights and OZ machined magnesium wheels.
Transmission: Seven-speed semi-automatic titanium gearbox with reverse gear. “Quickshift” system in operation to maximise speed of gearshifts.
Fuel system: Kevlar-reinforced rubber fuel cell by ATL.
Cooling system: Separate oil and water radiators located in the car’s sidepods and cooled using airflow from the car’s forward motion.
Electrical: MES-Microsoft Standard Electronic Control Unit.
Braking system: Carbon discs and pads, calipers by AP Racing, master cylinders by AP racing and Brembo.
Cockpit: Removable driver’s seat made of anatomically formed carbon composite, with six-point harness seat belt by OMP Racing. Steering wheel integrates gear change and clutch paddles, and rear wing adjuster.
KERS: Motor generator unit driving into front of engine with batteries as an energy store. Motor Generator supplied by Renault Sport F1. Electronic control unit by Magneti-Marelli.

Dimensions

Front track: 1450 mm
Rear track: 1400 mm
Overall length: 5100 mm
Overall height: 950 mm
Overall width: 1800 mm
Total weight: 640 kg, including driver, cameras and ballast

Engine

Designation: Renault RS27-2011
Capacity: 2400 cc
Architecture: 90° V8
Weight: 95 kg
Max rpm: 18,000 rpm
ECU: MES SECU
Fuel: TOTAL
Oil: Elf (a brand of TOTAL)
Oil tank: Lotus Renault GP
Battery: Lotus Renault GP