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 heart of the Lexus LFA is a bespoke, aspirated V10 engine that new standards for compact dimensions, architecture and scintillating performance. the outset it was determined the engine have a 4,805cc capacity, 552bhp and rev to a wailing 9,000rpm red A 72-degree angle between the heads is ideal for achieving in the engine for exceptionally smooth while providing individual, controlled throttle bodies for cylinder gives excellent response.

Using a dry sump system allows the block to be deep in the engine bay, the car’s centre of gravity and of inertia, and enabling the engine to sustained, high-speed cornering.

The V10 480Nm of torque at 6,800rpm, 90 per of which is available from all the way to the 9,000rpm red line, thanks to VVT-i technology, equal exhaust manifolds and high-volume, fuel injectors. This searing in-hear acceleration at all speeds and in any gear: nought to takes just 3.7 seconds and speed is 202mph.

With a weight of 1,480kg, the Lexus LFA has a to weight ratio of 373bhp per while specific output of per litre is among the highest of any supercar, aided by a high, compression ratio, low friction and optimised intake and exhaust

In spite of its potency, the V10 is an object in compact and lightweight packaging, about the same size as a V8 engine and weighing about as as conventional V6. It is also as reliable and as any other Lexus power and exceeds Euro 5 emissions

The engine was developed in conjunction Yamaha through the established partnership between Toyota Corporation and the Japanese specialist company.

The formidable performance of the V10 is through an equally advanced a purpose-designed six-speed Automated Gearbox (ASG) that the rear wheels via a limited differential. To help achieve the 48:52 front-to-rear weight it is contained in a transaxle mounted the rear axle.

The ASG is operated by shifts mounted on the steering and is engineered for exceptionally fast an upshift can be effected in just 0.2

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

940 mm

rear: 960 mm

Coefficient of Drag: Cd

Fuel tank capacity: 73 l gallons)

WEIGHTS (kg)

weight: 1,480 — kg

Lexus LFA

Gross vehicle weight: kg

TRANSMISSION


Gearbox type: Automated Sequential Gearbox

counter gear ratio:

Gear ratios

1st:

2nd: 2.188

3rd:

4th: 1.233

5th:

6th: 0.795

Final ratio: 3.417

Maximum speed

1st: 52 mph

2nd: 76 mph

104 mph

4th: 136 mph

5th: 172 mph

6th:

BRAKES

Front: Cross-drilled discs, 399 x 34 mm

Rear: Cross-drilled discs, 360 x 28 mm

SUSPENSION

Front: wishbone with anti-roll bar

Multilink with anti-roll bar

Steering gear type: and pinion

Power steering Electric

Ratio: 14.3

lock to lock: 2.35

SYSTEM

Battery capacity:

Alternator output: 2,640 W

output: 1.7 kW

TYRES AND WHEELS

Front: 20×9.5J BBS alloy

20×11.5J BBS alloy

Tyres

265/35R20 95Y

Rear: 305/30R20 99Y

Lexus LFA
Lexus LFA
Lexus LFA
Lexus LFA
Lexus LFA

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