Lotus E21 specs & info

Romain Grosjean driving the Lotus E21 at Monaco (2013)

Lotus' F1 car for 2013

Technical specifications Lotus E21 F1 car

Chassis: Moulded carbon fibre and aluminium honeycomb composite monocoque, manufactured by Lotus F1 Team and designed for maximum strength with minimum weight. RS27-2012 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 or eight-point harness seat belt by OMP Racing. Steering wheel integrates gear change, 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: 5088 mm
Overall height: 950 mm
Overall width: 1800 mm
Overall weight: 642 kg, with driver, cameras and ballast

Engine

Designation: Renault RS27-2013
Configuration: 2.4l V8
No of cylinders: 90° V8
No of valves: 32
Displacement: 2400 cc
Weight: 95kg
Rpm: 18,000
Fuel: TOTAL
Oil: TOTAL
Power output: approx. 750 bhp
Spark plugs: semi surface discharge
Ignition system: high energy inductive
Pistons: aluminium alloy
Engine block: aluminium alloy
Crankshaft: Nitrided alloy steel with tungsten alloy counterweights
Connecting rods: titanium alloy
Throttle system: 8 butterflies