Lotus E22 specs & info

Romain Grosjean Lotus E22 Renault (2014)

Lotus' F1 car for 2014

Technical specifications Lotus E22 F1 car

Chassis: Composite monocoque structure, designed and built in-house, carrying the Renault V6 as fully stressed member
Wheels: OZ Racing (Front: 12.0in x 13in diam., Rear: 13.7in x 13in diam.)
Tyres: Pirelli
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
Rear suspension: Carbon fibre top and bottom wishbones with pull rod operated torsion springs and transverse-mounted damper units mounted inside the gearbox casing. Aluminium uprights
Brakes: Carbon - Carbon. Calipers by AP Racing, master cylinders by AP racing and Brembo.
Electronics: MESL standard electronic control unit
Fuel system: Kevlar-reinforced rubber fuel cell by ATL

Dimensions

Front Track: 1450 mm
Rear Track: 1400 mm
Overall Length: 5088 mm
Overall Height: 950 mm
Overall Width: 1800 mm
Overall Weight: 692kg, with driver, cameras and ballast

Transmission

Gearbox: Eight-speed semi-automatic titanium gearbox with reverse gear. “Quickshift” system in operation to maximise speed of gearshifts

Powertrain

Designation: Renault Energy F1-2014
Type: Turbocharged, 90° 1.6l V6, assisted with kinetic and heat ERS
Valves: 24 (4 per cylinder)
Engine Construction: Cylinder block in aluminium
Rev limit: 15,000rpm
Pressure charging: Single turbocharger, unlimited boost pressure (typical maximum 3.5 bar abs due to fuel flow limit)
Bore: 80mm
Stroke: 53mm
Crank height: 90mm (minimum allowed)
Exhaust: Single exhaust outlet, from turbine on car centre line
Injection: Bosch direct fuel injection, limited to 500bar
Weight: Undisclosed (at least 145kg)
Total horsepower: Approximately 600hp (ICE) + 160hp (ERS)
Energy recovery system: Integrated Hybrid energy recovery via electrical Motor Generator Units, by Renault Sport
Electronic Control Unit: Magnetti Marelli
Energy Store: Lithium-Ion battery solution (up to 4MJ per lap), between 20 and 25 kg, by Renault Sport