Monday, May 28, 2012

Lexus LFA review

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Lexus LFA
The new Lexus LFA marks an important moment in the history of both the Lexus and the development of the supercar. A true "clean sheet" design, the Lexus LFA has been created by a small team, passionate and dedicated engineers whose achievement has been to expand the boundaries of materials and engineering technologies at all stages in the production of a car like no other to bring the Lexus badge.
Constructed with advanced carbon fiber technology, rear-wheel drive Lexus LFA is powered by a measure, high-revving 552bhp 4.8-liter naturally aspirated V10 engine mated to a rear-mounted six-speed sequential automatic, giving 200 mph, plus a performance.
In the words of Chief Engineer Haruhiko Tanahashi: "The Lexus LFA is a thoroughbred supercar, a machine designed to achieve one goal - to provide supreme driving experience over the last decade we have pushed all boundaries in pursuit of this goal and me . We believe we have made the car more driver-oriented as possible. "
LEXUS LFA CARBON FIBER CONSTRUCTION
Keep vehicle weight to an absolute minimum was one of the defining elements in the development of the Lexus LFA and this led to the decision to change the use of aluminum for the construction of the machine advanced carbon fiber reinforced plastic (CFRP) for the frame and the body.
In addition, Lexus decided the CFRP structure should be built at home rather than from a third party vendor. In doing so, he invoked the legacy of Toyota Motor Corporation in textile technology to push the limits of their technical skills, development of new carbon fiber chassis and a laser system to monitor the integrity of the material.
At four times the strength of aluminum, carbon fiber gives the Lexus LFA incredibly rigid and strong, and also offers great advantages in weight, saving about 100 pounds in a body of aluminum equivalent. CFRP accounts for 65 percent of the body-on-white, with aluminum alloy used for the remaining 35 percent.
Unlike the few vehicles on the construction market that the use of CFRP, the Lexus LFA uses the same technology favored by the resin-edge aerospace programs for unrivaled weight and resistance.
Lexus LFA MOTOR
The heart of the Lexus LFA is a custom engine, naturally aspirated V10 engine that sets new standards for compact size, lightness and spirited performance.From the outset it was determined that the engine must have a capacity of 4805 cc, developing 552bhp at 9,000 rpm and turn a line of red tears. An angle of 72 degrees between the cylinder heads is ideal for achieving a balance in the engine exceptionally smooth, while providing individual, electronically controlled butterfly valves for each cylinder gives excellent response of the throttle valve.
The use of a dry sump lubrication allows the block to be placed deep in the engine compartment, reducing the car's center of gravity and moment of inertia, and allowing the engine to operate continuously at high speed on curves.
The V10 produces 480 Nm of torque at 6800 rpm, 90 percent of which is available from 3,700 rpm to 9,000 rpm red line, thanks to Dual VVT-i technology, exhaust manifolds of higher volumes long and 12-hole injectors. This gives the acceleration browning hear any engine speed in any gear: zero to 62 mph in just 3.7 seconds and top speed is 202 mph.
Weight of 1,480 kg, the Lexus LFA has a power to weight ratio of 373bhp per ton, while the specific production of 115 hp per liter is the highest of any supercar in progress, with the help of a high percentage, compression 12: 1, low internal friction and the optimized consumption and the exhaust stream.
Despite its power, the V10 is a lesson in a compact and lightweight, with about the same size as the normal V8 engine and weighs almost as much as conventional V6. It 'also reliable and refined as any other Lexus power plan and exceeds Euro 5 emission standards.
The engine was developed in collaboration with Yamaha in collaboration with collaboration between Toyota Motor Corporation and the engineering company specializing in Japanese.
Lexus LFA TRANSMISSION
The impressive performance of the V10 is managed through an equally advanced transmission, a design goal of the six-speed sequential automatic gearbox (ASG), which drives the rear wheels through a limited slip differential. To obtain optimum front to rear weight distribution of 48:52, which is contained in a transaxle mounted on the rear axle.
The ASG is operated gearshift mounted on the steering column and is designed to move exceptionally fast: an upshift can be done in about 0.2 seconds.
The system features four driving modes: Auto, Sport, Normal and Wet, activated by a switch on the dashboard. Each mode has a specific program of change of gear, and the motor and the control logic of the brake for the tailor the performance of the machine controller to adapt to the driving conditions.
Lexus LFA SOUND
The acoustics of the Lexus LFA, the induction system and exhaust notes have been specially tuned to deliver an impressive "soundtrack" that expresses extreme performance of the car, both outside and inside the cabin. Known for hearing aids as "Octave Harmony", is inspired by the sound of a Formula 1 engine at full throttle and does not resemble that of any other road car, with different harmonic qualities created as the motor moves toward its maximum 9000 rpm.
Lexus LFA BRAKE
The Lexus LFA is one of the most advanced and powerful brakes fitted to any production car, adequate to meet the demands of their performance capability over 200 mph.
The brake discs are carbon-ceramic (CCM), as well as being lighter than steel, offering fade-free performance in all conditions. The front discs are 390 mm thick and 34 mm diameter aluminum calipers trapped by six-piston, the extension of the rear discs with a diameter of 306 mm, thickness 28 mm and are equipped with four-piston calipers. Any use of a micron of high friction pads, made exclusively for use with CCM brakes.
SUSPENSION, WHEELS AND TYRES
The track at the point of suspension is the result of intensive development work carried out by Lexus on the Nurburgring Nordschleife circuit to give the best possible balance between comfort and control.
The front fork as / multilink rear design makes extensive use of aluminum alloys with high strength and low weight, and aluminum monotube dampers are the same Lexus used for circuit racing cars LFA Nurburgring 24 hour race.
The 20-inch BBS forged aluminum wheels are shod with Bridgestone tires asymmetric: 265/35ZR20 front and 305/20ZR20 at the rear.
AERODYNAMICS
The Lexus LFA is first class aerodynamics, obtaining an excellent cooling transmission and processing at high speed and stability. Numerous wind tunnel tests helped to produce a wind-cheating profile with a coefficient of drag of 0.31, a remarkable achievement, given the level of the car creates downforce at high speeds.
The airflow is carefully checked over, under and around the car. A carbon fiber rear diffuser and underbody downforce generating flat-significant, with an active rear wing with Gurney flap on the front line, raising the level even more.
ADDRESS
Career guidance contained offers an excellent response and feedback to create a dynamic link between the perfect car and driver. The rack and pinion constant speed system uses an innovative assistance system of the electric power steering column that does not compromise the performance of the engine.
The axis of the column of large diameter is mounted directly on the structure of the central frame, giving the stiffness of the layout exceptional address. The carbon fiber steering wheel has a flat bottom section houses the key to start the engine and information tool selector switch. It can be adjusted for reach and rake.
Lexus LFA EXTERIOR DESIGN
Dictated by its front engine design step in the medium and short overhangs, sophisticated aerodynamics and low cabin, Lexus LFA flow lines from the roof to the threshold of a perfect convex to concave line. In addition to its light weight and high strength carbon fiber reinforced plastic (CFRP) also gave designers greater freedom to create shapes, curves and edges that were not possible with metal.
The style remains true, however, the principles of L-finesse, the logic was behind all current Lexus models. Form follows function, as shown n air intakes and many aerodynamic details, and also the design of the exterior mirrors, shaped to channel the air over the shoulders of the rear car jacks.
Lexus LFA INTERIOR DESIGN
The low cab height is divided into three areas: the mechanics of the area, including the skeleton of the construction of the machine, the human zone, with two seats right in the center of the machine and the pilot area with high-technology that brings driver and car together.
The cabin is built by hand, with particular attention to the ergonomics of the driver.The seats, upholstered in fine leather and Alcantara, provide the highest level of back support and side need a machine capable of 200 mph-plus performance.The setting echoes the advanced materials used to build the Lexus LFA, with exposed parts of matte and luster of carbon fiber. Trim details are finished in shiny metal folding top and the brake and accelerator pedals are aluminum forgings. As for the exterior finish, owners can choose different colors for the interiors and details to suit your personal taste.
LEXUS LFA INSTRUMENTATION
The compact instrument panel with LCD display combines a hood with a color film transistor (TFT) and a cell phone ring motor. It has a single circular dial with a central speedometer with a needle LCD. When the engine speed exceeds 9,000 rpm, the area becomes red to trigger a change of the engine above. It can also be programmed to turn yellow or green as the revs reach a user-selected range. The line also features a digital speedometer and gear indicator, transmission mode, data from the vehicle control and travel information screens.
An information selector on the left side of the steering wheel allows the driver to go through a series of functions, including customizing data visualization, adjusting the lighting in the cabin and operate a satellite-ready clock.
When the machine is started, a sequence of display device is activated, creates a sense of occasion, culminating in the four digital dials showing oil and water temperature, fuel level and oil pressure radiating center of the counter to take their positions on both sides of the central sphere.
Lexus LFA SAFETY
Active and passive safety measures are in line with the outstanding performance of the Lexus LFA. The structure of carbon fiber reinforced plastic core is very strong and offers excellent impact protection. Crash boxes are mounted front and rear that are designed to deform in a controlled manner in the case of an impact.This front part is made of carbon fiber, which in the rear of extruded aluminum.Side impact protection includes strong and rigid carbon fiber spars and door structures comprising an inner panel made of aluminum and glass fiber reinforced sheet molding compound (SMC-G) outer skin.
The Lexus LFA Lexus vehicles equipped with Dynamics Integrated Management (VDIM), which coordinates the operation of ABS, vehicle stability and traction control systems when the vehicle is near its performance limits based on critical data on the operation of the brake rates , orientation and roll speed of each wheel and the longitudinal acceleration, lateral and vertical
Passive safety systems include front airbags and seat belts double adaptive airbags for driver and front passenger knee airbags for the driver.
Lexus LFA production and sales
Lexus LFA program was launched in 2000 as a simple project of R & D, but gained momentum with the appointment of Haruhiko Tanahashi to lead a team of dedicated engineers, engaged in a development program, including Lexus. The first Lexus LFA prototypewas completed in 2003 and a design studio made its public debut at the Detroit Motor Show 2005. In 2008 and 2009, the Lexus LFA has been introduced in the Nurburgring 24 hours race, with the intention of pushing the car under test conditions before its official launch as a production-ready model 2009 Tokyo Auto Show.
The Lexus LFA is hand-assembled at the Motomachi plant in Toyota City. Only 500 units will be constructed at a maximum speed of 20 per month to ensure the construction of better quality and attention to detail. Each V10 engine will be fitted by a single technician, and bear his signature as witness to the situation as every Lexus LFA.
The launch price in the UK for the Lexus LFA is € 368,000 (£ 336,000 approx).Owners can choose from a wide range of options to customize your car, including 30 different paints. Some items of standard equipment can also be removed, as the audio system, to reduce the weight of the car.

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