Lotus E21 is first Formula 1 car unveiled for 2013 season (Photos and Features)

Lotus has become the first team to unveil its 2013 car during an online launch on Monday evening.

The E21 bears a striking resemblance to last year's model, with which Kimi Raikkonen won the Abu Dhabi Grand Prix and took third in the championship.

The E21 still features the stepped nose seen on its predecessor, despite a regulation change which allowed teams to cover the area with an optional 'modesty panel'.

In addition to that, the major 'evolution' is at the rear of the car which has taken cues from Red Bull's RB8. It is more tighly packaged, has revised Coanda effect exhausts and revised sidepods.

The biggest visual change is the livery which includes Coca-Cola's 'Burn' energy drink, additional red highlights on the sidepods and engine covers and the drivers names in large lettering - though this area could be for the yet to be confirmed Honeywell sponsorship which is believed to be nearing a deal.

Team principal Eric Boullier said Lotus have set a minimum target of third in the constructors' championship, one place better than 2012.

Technical director James Allison said: "The detail (changes) add up to a significant amount of performance."

There were no obvious innovations on the car at launch but teams usually keep these under wraps until closer to the first race, which is in Australia on 17 March.

"The rules for 2013 are very, very similar to those for 2012," Allison said. "So you can expect a lot of family resemblance from the 2012 car, but as ever in F1 the devil is in the detail.

"There are some neat new ideas and some pushing of the same sort of concepts we have been working on for the last few years."

One of the few rule changes this year has been that teams are allowed to use what has become known as a "vanity panel" to disguise the ugly steps on the top of the noses that drew criticism last year. But the new E21 did feature a step on the nose in the area of the front tyres, although it is more elegantly implemented than many in 2012.

Allison said: "We have not done it yet because the cosmetic panel would weigh a few grams and with a Formula 1 car putting a few grams on that you don't need to is anathema.

"But if we find a cosmetic panel that looks nice but much more importantly and crucially gains us a bit of downforce we'll pop it on quick as you like."

One obvious change from the 2012 car was a new design for using the exhausts for aerodynamic effect. The bodywork that helps guide the exhaust gases down to the area where the rear floor meets the rear wheels - where the gases 'seal' the gap and create downforce - is reminiscent of that on the 2012 championship-winning Red Bull.

Raikkonen, who was one of the stars of last season on his return to F1 after two years in rallying said: "It's not going to be easy to improve what we did already last year but that is the aim. Hopefully we can do it."

He added that he expected the same teams to be competing at the front. "I don't think the running order will change a lot," Raikkonen said.

Team-mate Romain Grosjean came in for heavy criticism last year as a result of a series of first-lap accidents, one of which resulted in a one-race ban.

He said: "It's clear we had good qualifying speed and too many incidents. And that is what we are going to try to work on."

Lotus also named last year's GP2 champion Davide Valsecchi of Italy as their third driver with Belgian Jerome D'Ambrosio remaining the official reserve driver.

Technical Features:
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. 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.

Front Track: 1450 mm
Rear Track: 1400 mm
Overall Length: 5088 mm
Overall Height: 950 mm
Overall Width: 1800 mm
Overall Weight: 642kg, with driver, cameras and ballast
Lotus E21 Images:

Lotus E21

Lotus E21

Lotus E21

Lotus E21 Launch Video:
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