Lexus LFA (2011)

18 Мар 2015 | Author: | No comments yet »
Lexus LFA

Lexus LFA

The new Lexus LFA marks an moment in both the history of and the development of the supercar. A true design, the Lexus LFA was created by a passionate and dedicated team of whose achievement has been to the boundaries of technologies materials and at every stage to produce a car no other to have carried the badge.

Constructed using carbon fibre technology, the drive Lexus LFA is powered by a high-revving 552bhp 4.8-litre aspirated V10 engine, matched to a six-speed sequential automatic giving 200mph-plus performance.

In the of Chief Engineer Haruhiko The Lexus LFA is a thoroughbred supercar, a engineered to achieve a single — to deliver a supreme experience. Over the past we have pushed every in pursuit of this goal and I we have created the most car we possibly could.

CARBON CONSTRUCTION

Keeping the car’s to an absolute minimum was one of the defining in the development of the Lexus LFA and this led to the to switch from using for the car’s construction to advanced Fibre Reinforced Plastic for the chassis and bodywork.

Moreover, decided the CFRP structure be built in-house rather by a third-party supplier. In doing so, it on Toyota Motor Corporation’s in textile weaving technology to the boundaries of its technical abilities, new carbon fibre looms and a system for monitoring the integrity of the

2011 Lexus LFA

At four the strength of aluminium, CFRP the Lexus LFA an exceptionally stiff and structure, and also delivers weight advantages, saving 100kg on an equivalent aluminium CFRP accounts for 65 per cent of the with aluminium alloy for the remaining 35 per cent.

Unlike the few vehicles on the market that use construction, the Lexus LFA uses the advanced resin technology by cutting-edge aerospace programmes for its weight and strength properties.

The of the Lexus LFA is a bespoke, naturally V10 engine that sets new for compact dimensions, lightweight and scintillating performance. From the it was determined the engine should a 4,805cc capacity, develop and rev to a wailing 9,000rpm red line. A angle between the cylinder is ideal for achieving balance in the for exceptionally smooth running, providing individual, electronically throttle bodies for each gives excellent throttle

Using a dry sump lubrication allows the block to be positioned in the engine bay, lowering the centre of gravity and moment of and enabling the engine to handle high-speed cornering.

The V10 produces of torque at 6,800rpm, 90 per cent of is available from 3,700rpm all the way to the red line, thanks to Dual technology, equal length manifolds and high-volume, 12-hole injectors. This gives in-hear acceleration at all engine and in any gear: nought to 62mph just 3.7 seconds and maximum is 202mph.

With a kerb of 1,480kg, the Lexus LFA has a power to ratio of 373bhp per tonne, specific output of 115bhp per is among the highest of any current aided by a high, 12:1 ratio, low friction internals and intake and exhaust flow.

In of its potency, the V10 is an object lesson in and lightweight packaging, being the same size as a regular V8 and weighing about as much as V6. It is also as reliable and refined as any Lexus power plan and Euro 5 emissions standards.

The was developed in conjunction with through the established collaborative between Toyota Motor and the Japanese specialist engineering

The formidable performance of the V10 is managed an equally advanced transmission, a six-speed Automated Sequential (ASG) that drives the wheels via a limited slip To help achieve the optimum front-to-rear weight distribution, it is in a transaxle mounted over the axle.

The ASG is operated by paddle mounted on the steering column and is for exceptionally fast shifts: an can be effected in just 0.2 seconds.

The system has four driving Auto, Sport, Normal and activated by a selector dial on the Each mode has a specific programme, and engine and brake logic systems to let the driver the car’s performance to suit conditions.

The Lexus LFA’s induction system and exhaust have been specially to deliver an awesome soundtrack expresses the car’s extreme both outside and inside the Referred to by the acoustic team as Harmony, it is inspired by the sound of a 1 engine at full revs and is that of any other road with different harmonic created as the engine moves up its maximum 9,000rpm.

The Lexus LFA has one of the advanced and powerful braking fitted to any production car, to meet the demands of its 200mph-plus capabilities.

The brake discs are of Carbon Ceramic Material which as well as being than steel, gives performance in all conditions. The front are 390mm in diameter and 34mm gripped by six-piston aluminium the rear discs measure across, are 28mm thick and are with four-pot callipers. All use micron pads, manufactured for use with CCM brakes.

SUSPENSION, AND TYRES

The track-tuned suspension is the of intensive development work out by Lexus at the Nürburgring’s Nordschleife to give the best possible between control and comfort.

The wishbone front/multilink rear makes extensive use of aluminium for high strength and low weight, and the monotube dampers are the same as Lexus used for its LFA race car in the 24-hour race.

The 20-inch aluminium BBS wheels are shod asymmetric Bridgestone tyres: at the front and 305/20ZR20 at the rear.

The LFA boasts class-leading aerodynamics to drivetrain cooling and superb handling and stability. Extensive tunnel testing helped a wind-cheating profile with a coefficient of 0.31, a remarkable given the degree of downforce the car at high speed.

Airflow is precisely controlled under and around the car. A fibre rear diffuser and underbody generate significant with an active rear complete with a gurney on the leading edge, boosting the further still.

The race-tuned gives outstanding response and to create a perfect dynamic between car and driver. The constant-rate and pinion system uses an column-assist Electric Power System that does not sap performance.

The large-diameter column is mounted directly on the central structure, giving the steering exceptional rigidity. The carbon steering wheel has a flat section and houses the engine button and instrument information switch. It can be adjusted for reach and

EXTERIOR DESIGN

Dictated by its engine layout, long and short overhangs, sophisticated and low-slung cabin, the Lexus lines flow from to sill in a seamless convex to line. As well as its low weight and strength, carbon fibre plastic (CFRP) also the designers more freedom to shapes, curves and edges would have been with metal.

The styling true, however, to the principles of the design rationale behind all Lexus models. Form function, as witnessed n the numerous air and aerodynamic details, and even in the of the door mirrors, shaped to air over the car’s shoulders the rear intakes.

INTERIOR

The low-slung cabin is divided three zones: the mechanical which includes the skeleton of the construction; the human zone, two seats placed right at the of the car; and the driving zone, high-tech instrumentation that driver and machine together.

The is hand-built, with driver-focused The seats, upholstered in fine and Alcantara, provide the high of back and side support in a car capable of 200mph-plus performance. The echoes the advanced materials in the Lexus LFA’s construction, exposed areas of both and gloss carbon fibre. details are finished in brushed and the floor-hinged brake and throttle are made of forged aluminium. As the exterior finish, owners can different interior colours and to suit personal taste.

INSTRUMENTATION

The compact, hooded panel combines an LCD display with a colour Thin Transistor (TFT) and a motor-drive ring. It features a single dial with a central with an LCD needle. When speed exceeds 9,000rpm, the area turns red to prime the for an up-shift. It can also be programmed to yellow or green when the reach a user-selected range. The also houses a digital and gear indicator, transmission vehicle control data and information displays.

An information switch on the left side of the wheel lets the driver through a series of functions, customising the data display, cabin illumination and operating a stopwatch system.

When the car is an instrument display sequence is creating a sense of occasion, in the four digital dials oil and water temperatures, fuel and oil pressure radiating out from the of the rev counter to take up their on either side of the central

Passive and active safety are in line with the Lexus exceptional performance. The central fibre reinforced plastic structure is extremely strong and excellent impact protection. boxes are fitted front and that are designed to deform in a fashion in the event of an impact. at the front is made of CFRP; at the rear from extruded Side impact protection strong and rigid carbon side members and door comprising an aluminium inner and a Glass fibre reinforced Moulding Compound (G-SMC) skin.

The Lexus LFA is equipped Lexus’s Vehicle Dynamic Management (VDIM) system, co-ordinates the smooth operation of the vehicle stability and traction systems as the vehicle approaches its limits, based on critical on brake operation, yaw and roll individual wheel speed and lateral and vertical acceleration

safety features include adaptive front airbags and airbags for driver and passenger and a knee airbag.

MANUFACTURING AND SALES

The Lexus LFA was launched in 2000 as a straightforward RD but gained impetus with the of Haruhiko Tanahashi to lead a team of engineers, committed to a Lexus development programme. The Lexus LFA prototype was completed in and a design study made its debut at the 2005 Detroit show. In 2008 and 2009 the LFA was entered in the Nurburgring 24-hour the intention being to push the car under testing conditions to its official launch as a production-ready at the 2009 Tokyo motor

The Lexus LFA will be hand-assembled at the plant in Toyota City. 500 examples will be built, at a rate of 20 per month to ensure the build quality and attention to Each V10 engine will be by a single engineer, and will his signature as testament to each LFA’s bespoke status.

The UK price for the Lexus LFA is €368,000 £336,000). Owners can choose an extensive range of options to their car, including 30 paint finishes. Certain of standard equipment can also be such as the audio system, to the car’s weight.

TECHNICAL

ENGINE

Engine Type:

Cylinders/arrangement: V10

Valve mechanism: DOHC

Displacement: 4,805 cc

x Stroke: 88.0 x 79.0 mm

ratio: 12.0:1

Fuel Type: EFI

Octane Rating. 95 or

Max. Power: 552 bhp @ 8,700 rpm

Max 480 Nm @ 6,800 rpm

Max. engine 9,000 rpm

Exhaust emissions Euro 5

PERFORMANCE

0-62 mph km/h): 3.7 s

Max. speed: 202 mph km/h)

DIMENSIONS

Overall 4,505 mm

Overall width: mm

Overall height: 1,220 mm

2,605 mm

Track

front: mm

rear: 1,570 mm

Overhang

front: 940 mm

rear: 960 mm

of Drag: 0.31 Cd

Fuel capacity: 73 l (16.1 gallons)

(kg)

Kerb weight: — 1,580 kg

Lexus LFA

Gross weight: 1,700/1,750 kg

TRANSMISSION


type: 6-speed Automated Gearbox

Front counter ratio: 1.259

Gear

1st: 3.231

2nd:

3rd: 1.609

4th:

5th: 0.970

6th:

Final drive ratio:

Maximum permissible speed

52 mph

2nd: 76 mph

3rd: 104 mph

4th: 136 mph

172 mph

6th: —

BRAKES

Cross-drilled ventilated discs, 399 x 34 mm

Cross-drilled ventilated discs, 360 x 28 mm

Front: Double wishbone anti-roll bar

Rear: Multilink anti-roll bar

STEERING

Steering type: Rack and pinion

steering type: Electric

14.3

Turns lock to 2.35

ELECTRICAL SYSTEM

capacity: 12V-48AH

Alternator 2,640 W

Starter output: 1.7 kW

AND WHEELS

Wheels

Front: BBS alloy

Rear: 20×11.5J BBS

Tyres

Front: 265/35R20 95Y

305/30R20 99Y

Lexus LFA
Lexus LFA
Lexus LFA
Lexus LFA
Lexus LFA

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