Lotus E23 specifications & information

Lotus' E23 season 2015 F1 car

Pastor Maldonado, Lotus E23 Mercedes (2015)

Technical Specification Lotus E23 F1 car

Chassis: Carbon-fibre monocoque
Front suspension: Upper and lower wishbones, inboard springs and dampers actuated by push-rods
Rear suspension: Upper and lower wishbones, inboard springs and dampers actuated by pull-rods
Dampers: Penske
Brakes: AP 6 piston front and 4 piston rear calipers with carbon discs and pads
Transmission: Lotus eight speed seamless sequential semi-automatic shift plus reverse gear, gear selection electro-hydraulically actuated, titanium casing
Clutch: Carbon fibre plates
Electronics: FIA standard ECU and FIA homologated electronic and electrical system (as provided by MES)
Cooling system: Aluminium oil, water and gearbox radiators
Tyres: Pirelli, Fronts: 245/660-13, Rears: 325/660-13
Wheels: OZ Racing, forged magnesium alloy
Fuel system: ATL Kevlar-reinforced rubber bladder

Dimensions

Length: Undisclosed
Height: 950 mm (minus T camera)
Track width: 1,450 mm (front); 1,400 mm (rear)
Weight: 702kg (FIA mininum; incl. driver and lubricants, tank empty)
Width: 1,800 mm (FIA maximum)

Powertrain

Designation: Mercedes-Benz PU106B Hybrid
Type: Turbocharged, 90° 1.6l V6, assisted with kinetic and heat ERS
No of valves: 24 (4 per cylinder)
Fuel injection: High-pressure direct injection (max 500 bar, one injector/cylinder)
Pressure charging: Single-stage compressor and exhaust turbine on a common shaft
Bore: 80mm
Stroke: 53mm
Crank height: 90mm (minimum allowed)
Energy recovery system: Integrated Hybrid energy recovery via electrical Motor Generator Units
Energy Store: Lithium-Ion battery solution, between 20 and 25 kg
Fuel: PETRONAS Primax
Lubricants: PETRONAS Syntium
Gearbox & hydraulic oil: PETRONAS Tutela