lexus lfa product presentation

LEXUS LFA

Product Presentation

LEXUS LFALEXUS LFA

Paul WilliamsenLexus College

North American PreviewHomestead, Florida

Paul WilliamsenLexus College

North American PreviewHomestead, Florida

LEXUS LFA

LEXUS LFA


LEXUS LFALEXUS LFA

LEXUS LFA

LEXUS LFA


LFA DEVELOPMENT

1. 2000 February: Study on LFA started

2. 2001 December: Development of V10 engine started

3. 2003 June: First prototype vehicle completed

4. 2004 October: First test drive at Nürburgring race track conducted

5. 2005 January: First concept displayed at North American International Auto Show

6. 2005 May: Study on carbon fiber body started

7. 2005 November: Approved by Product Planning Committee

8. 2007 January: Revised concept displayed at North American International Auto Show

9. 2007 December: Approved by Development Decision Committee

10. 2008 January: Roadster concept displayed at North American International Auto Show

11. 2008 April: Approved by Product and Design Decision Committee

12. 2008 May: First raced at Nürburgring 24 Hours

13. 2009 May: Second race at Nürburgring 24 Hours

14. 2009 October: World premiere at Tokyo motor show scheduled

15. 2010 December: Start of production (line-off) scheduled

LEXUS LFA


LFA CONCEPTLFA CONCEPT

LFA CONCEPT

1. Watershed point for Lexus

A. Creation of a supercar that would deliver a supreme driving experience

I. A true clean-sheet design

II. Approached from a non-traditional point of view

III. Pushing technological, material and engineering boundaries at every step

B. Indispensable next step for Lexus, a brand that aims to provide customers enlightened moments and memorable experiences

2. Key milestones

A. Materials decision

I. Decision made during development to switch the body structure from aluminium to carbon fibre

a) Ensure the best possible combination of weight and strength

b) Demonstrate the latest technology

B. Lexus-developed Carbon Fiber Reinforced Plastic (CFRP) processes

I. Not outsourced

II. Investment for the future

a) Forthcoming products will benefit from this learning

LEXUS LFA


TRACK DEVELOPMENTTRACK DEVELOPMENT

TRACK DEVELOPMENT

1. Nürburgring

A. Considered the toughest and most demanding purpose-built race track in the world

B. Played a major role in the development and tuning of the engine, transmission, the suspension, the brakes and the steering

I. Prototype testing at Nürburgring beginning in 2004

II. Raced in the Nürburgring 24 Hours in May 2008 and again in 2009

C. Influential in the development of -

I. Handling

II. Steering

III. Suspension

IV. VDIM Tuning

V. Structural bracing

VI. Electrical Systems

LEXUS LFA


LFA PROTOTYPELFA PROTOTYPE

LFA PROTOTYPE

1. The result

A. A dynamically styled supercar

B. Combining function and form

C. With high power and a light weight

D. Engineered to deliver the best possible driving experience

LEXUS LFA


LEXUS LFALEXUS LFA

LEXUS LFA

LEXUS LFA


1LR-GUE 4.8-LITER V101LR-GUE 4.8-LITER V10

1LR-GUE 4.8-LITER V10

1. All-new 4.8-liter LFA-exclusive V10

A. Developed in conjunction with Yamaha

B. Compact size and light weight

I. smaller and lighter than a Lexus 3.5L V6

C. 72° cylinder bank angle

2. Key features

A. Durable and lightweight valvetrain and engine rotating assembly

I. solid titanium intake & exhaust valves

II. forged titanium connecting rods

III. forged aluminum pistons

IV. lightweight, high strength crankshaft

V. aluminum viscous crank damper

VI. super-lightweight Diamond-Like Carbon (DLC) coated rocker arms

B. Racing engine-like response

I. Independent electronic throttle bodies

a) Control logic response prioritized

II. lightweight flywheel

C. breathtaking sound

I. bqual-length exhaust system

a) separate left and right exhaust banks avoid exhaust interference

b) refined sound quality

II. Length of each tailpipe specifically tuned for a deeper tone

LEXUS LFA




1. 4.8-liter 40-valve DOHC V10

A. 552 hp (412 Kw) @ 8,700 rpm

B. 354 lb.-ft. (480 Nm) @ 6,800 rpm

C. fuel-cut point = 9,500 rpm

2. Top-level output-per-liter

A. Vertical intake ports, equal-length tubular exhaust manifolds for maximum scavenging efficiency

B. 12.0:1 compression ratio

C. dual VVT-i (intake & exhaust),

D. cam profiles for super-lightweight valvetrain

3. World-class dynamic performance

A. accessories positioned for low center of gravity and reduced yaw moment

B. Dry sump oil system

C. Compact and lightweight for a lower center of gravity

LEXUS LFA



3,000 5,000 7,000

lb.-ft.

340360380400420440460480500520 380

400

360

340

320

300

280

260

120

140

180

160

200

220

240

260

280

300

320

340460440420400380360340320300280260240220200180

480500520540560

360

380

400

552 hp552 hp

354 lb.-ft.354 lb.-ft.

9,000

Hp

Nm

kW

Engine Speed (rpm)

552 hp @ 8,700 rpm354 lb-ft @ 6,800 rpmMaximum rpm: 9,500

552 hp @ 8,700 rpm354 lb-ft @ 6,800 rpmMaximum rpm: 9,500


LEXUS LFA


DRY-SUMP LUBRICATIONDRY-SUMP LUBRICATION

DRY SUMP LUBRICATION

1. Dry sump oil system

A. separated crank-case compartments reduces high-rpm pumping losses

B. supplies lubrication at over 2G lateral acceleration

C. Scavenge pumps mounted at the bottom sides of the engine recover oil from right and left cylinder heads, front and rear chain cases, crank case and other areas

I. Pumped to the air-cooled oil cooler and oil tank

II. Only heated oil recovered from the crankcase is sent to the air-cooled oil cooler, reducing pump parasitic losses

D. recovered oil is sent to the lower part of the oil tank after the cyclone type gas-liquid separator removes air bubbles and foam from the oil

E. large liquid-cooled oil cooler inside the V-bank for cooling plus faster warm-up

F. two high-efficiency oil filters in parallel for increased oil flow

G. air is not drawn in even when the oil level fluctuates due to high omnidirectional G-forces

I. oil is supplied to various parts of the engine by the feed pump arranged coaxially to the scavenge pump on the sides of the engine

H. constant oil supply even when driving on a circuit with high-grip racing tires

LEXUS LFA


REMOTE COOLING SYSTEMREMOTE COOLING SYSTEM

Coolant flowCoolant flowFrontFront

Aluminum cooling pipe (entire system)Aluminum cooling

pipe (entire system)

EngineEngine

Reservoir tankReservoir tank

Rear radiators and rear electric fans

Rear radiators and rear electric fans

REMOTE COOLING SYSTEM

1. radiators and electric cooling fans are located in the rear in order to help achieve an optimal front/rear weight balance

A. water pump coaxial with engine oil pumps

B. aluminum cooling pipes

2. cooling air delivered through ram air entering rear fender intakes

LEXUS LFA


DUAL EXHAUST SYSTEMDUAL EXHAUST SYSTEM

Full dual pipeFull dual pipe

Exhaust manifoldExhaust manifold

Catalytic converterCatalytic converter

Sub mufflerSub muffler

Main mufflerMain mufflerTriple

tailpipesTriple

tailpipes

DUAL EXHAUST SYSTEM

1. Exhaust system has been engineered to provide the sound and performance expected from one of the world’s highest-revving engines

2. Equal length, large diameter tubular manifolds enhance engine output and torque at high revs and produce a crisp exhaust note

A. Stainless steel joints and brackets are used to reduce weight and provide high heat tolerance

B. Black ceramic coating is applied to the exhaust manifolds to efficiently discharge heat from the exhaust gas, contributing to better fuel efficiency at highway speeds

C. A stoichiometric (λ=1) air/fuel ratio at up to 150 mph is achieved using intake and exhaust ports tuned to optimize scavenging, effectively cooling the combustion chambers, and using fresh air to cool the exhaust manifolds

3. Newly developed titanium materials are used in the mufflers to realize a significantly lightweight design

A. Dual-stage main muffler features valve control that routes exhaust flow differently at low engine speeds and at high engine speeds to achieve both quiet and more distinct tones.

B. Straight-through sub-mufflers with stainless steel mesh packing minimize undesirable exhaust tones

C. Tip Lengths of the triple tailpipes are tuned specifically to emit deeper tones

LEXUS LFA


EXHAUST COOLINGEXHAUST COOLING

EXHAUST COOLING

1. Numerous features employed to manage exhaust heat

A. Manifold insulator

I. Corrugated sheet aluminum with alumite coating to efficiently absorb exhaust heat

B. Heat risers

I. Draw heat from the exhaust manifold to be exhausted through hood vents

C. Underbody heat insulator

I. Dual-layer aluminum underfloor heat insulator with an embossed surface insulates the carbon body from the exhaust heat

a) Adhered-type heat insulation is also applied to the aluminum

b) Forms a tunnel housing the exhaust system from the catalytic converter through to the main muffler designed to channel hot air out from the rear of the vehicle

D. Rear Exhaust Heat Vent

I. Exhaust heat vent at the rear ventilates heat away from the muffler and tailpipes to help prevent heat damage

LEXUS LFA


DRIVETRAINDRIVETRAIN

TransaxleTransaxle

Clutch Assemblyand Counter GearClutch Assembly

and Counter Gear

DRIVETRAIN

1. Front engine/torque tube/rear transaxle layout

A. entire powertrain is rigid

B. ideal weight distribution

C. reduces torque reactions

2. Key components

A. Clutch assembly

I. Lightweight, small diameter clutch for fast engine speed changes and quick shifting

B. Front counter gear offsets crank center lower than torque tube center

C. Rear transaxle

LEXUS LFA


COUNTER-GEAR TORQUE TUBECOUNTER-GEAR TORQUE TUBE

Torque Tube center

Torque Tube center

Counter Gearratio = 1.259:1Counter Gearratio = 1.259:1

Crankshaftcenter

Crankshaftcenter

COUNTER GEAR TORQUE TUBE

1. Front counter gear allows the dry sump engine to be placed even lower in the chassis

A. 1.259:1 counter gear ratio

I. 3.417 final drive ratio

B. Counter gear is co-lubricated with the engine using the same oil in order to stabilize oil temperatures

C. Micro-polished gears reduce noise

2. A highly rigid torque tube and input shaft provide a direct and controlled transfer of power

A. Rubber powertrain insulators ensure quietness

LEXUS LFA


AUTOMATED SEQUENTIAL GEARBOXAUTOMATED SEQUENTIAL GEARBOX

AUTOMATED SEQUENTIAL GEARBOX

1. Impressive shift speeds

A. Gear changes are accomplished with a direct feel

B. under full-throttle acceleration, upshifts from 3rd – 4th in just 0.2 second

2. High reliability and drivability

A. Dedicated transaxle oil cooler

B. Efficient and comfortable automatic shift mode can be selected for driving in urban settings

C. 4 shift modes and 7 shift speeds allow the driver to personalize each experience behind the wheel to their liking

D. to protect vital systems, audible & visual warnings and message display for incorrect operations

LEXUS LFA




1. Electronically operated clutch and manual transmission

2. High-performance synchronizer rings are used, providing almost instant gear changes

A. Multi-cone synchronizers

B. High strength synchronizer material

C. High friction carbon materials

3. All speed gears from 1st to 6th have been micro polished to realize precise engagement and reduced gear whine

4. The use of CAE (Computer Aided Engineering) has optimized the profile of the transaxle case, resulting in a lightweight construction

5. Standard Torsen® Limited-Slip Differential with a specific amount of preload dialed in ensures excellent traction

6. Low friction tapered bearings and high-capacity three-point contact bearings are used

LEXUS LFA



TORSEN®

Limited-Slip DifferentialTORSEN®

Limited-Slip Differential

pattern for fastest shiftingpattern for fastest shifting


1. Electronically operated clutch and manual transmission

2. High-performance synchronizer rings are used, providing almost instant gear changes

A. Multi-cone synchronizers

B. High strength synchronizer material

C. High friction carbon materials

3. All speed gears from 1st to 6th have been micro polished to realize precise engagement and reduced gear whine

4. The use of CAE (Computer Aided Engineering) has optimized the profile of the transaxle case, resulting in a lightweight construction

5. Standard Torsen® Limited-Slip Differential with a specific amount of preload dialed in ensures excellent traction

6. Low friction tapered bearings and high-capacity three-point contact bearings are used

LEXUS LFA


DRIVING PROCEDURESDRIVING PROCEDURES

DRIVING PROCEDURES

1. Starting

A. Depress brake pedal

B. Insert the key into the ignition switch and turn it to the “IGNITION ON” position

C. Pull both shift paddles rearward

I. Indicator on the steering wheel will illuminate red to signal the engine can be started

II. If the transmission is in neutral when the ignition switch is turned on, the engine can be started without pulling the shift paddles

D. Press the engine start switch on the steering wheel to start the engine.

2. Driving

A. With foot on brake, pull back on “+” paddle to engage 1st gear

B. Release foot from brake and apply throttle

C. Up- and down-shifts are controlled by pulling back on either the “+” or “-” shift paddle

I. full-automatic shifting is available by selecting AUTO with the shift-mode control knob

II. Depending on the selected mode, the LFA may automatically shift to 1st when rolling to a stop

3. Backing Up

A. With foot on brake, press REVERSE button on left of instrument cluster

B. Release foot from brake & apply throttle

4. Shut Down

A. Turn ignition key to OFF position

5. Parking brake is electronically-controlled

LEXUS LFA


DRIVING MODESDRIVING MODES

DRIVING MODES

1. Shifting accomplished using steering-column-mounted shift paddles

A. Downshifts with the left paddle, upshifts with the right

2. automatic shift mode for more relaxed driving, reduced emissions

3. four modes (AUTO, NORMAL, SPORT, and WET)

A. default mode = AUTO

4. seven different shift speeds have been enable the driver to tailor performance appropriately to both driving conditions and personal preferences

5. Shift Speed Selection allows for a choice of seven different shift speeds

A. From approximately 0.2 to 1.0 seconds

B. Selected speed displayed in the combination meter

LEXUS LFA


DRIVING MODESDRIVING MODES

DRIVING MODES

1. Driving mode can be selected by performing the following:

A. Turn the mode selector dial up or down

B. Push the AUTO mode switch

C. Operate the shift paddles

D. Selectable VDIM Modes alter throttle response, shifting, and steering assist,

I. Normal

II. Sport (displayed in center cluster)

III. Wet (displayed)

LEXUS LFA


WEIGHT AND BALANCEWEIGHT AND BALANCE

CG height =17¾” / 450 mm

CG height =17¾” / 450 mm

48 %48 % 52 %52 %

WEIGHT AND BALANCE

1. Front-mounted engine and rear-mounted transaxle

2. Auxiliary components placed for ideal balance

A. oil and water pumps are low and aft of the engine

B. rear-mounted radiators, main muffler, battery

3. 48:52 front:rear weight distribution

4. CG just 17¾” (450 mm) above the ground

A. controllability and straight-line stability of a front-engine platform with the cornering performance of a mid-engine platform, but with exceptional handling stability

5. Driver placement close to CG of vehicle for ideal feedback

A. Seats are positioned longitudinally at the center of the wheelbase and

B. laterally as close to the center as possible

I. Center tunnel width minimized by stacking exhaust pipes and torque tube

LEXUS LFA


WEIGHT AND BALANCEWEIGHT AND BALANCE

WEIGHT AND BALANCE

1. Driver placement close to CG of vehicle for ideal feedback

A. Seats are positioned longitudinally at the center of the wheelbase and

B. laterally as close to the center as possible

I. Center tunnel width minimized by stacking exhaust pipes and torque tube

LEXUS LFA


HANDLING AND BRAKINGHANDLING AND BRAKING

HANDLING AND BRAKING

1. Front-midship configuration chosen to provide the driver with complete control at all times

A. Mid- or rear-engined alternatives present dynamic challenges at extreme speeds

B. Front-midship configuration positions the occupants at the center of the vehicle for ideal front-rear weight distribution

2. Ideal 48:52 front-rear weight distribution and low center of gravity to minimize the moment of inertia

A. Compact V10 engine positioned low behind the front axle

3. Highly rigid yet lightweight carbon fiber body contributes to the LFA’s remarkable dynamic performance

A. Vehicle weight of just 3,505 pounds (1590 Kg) for a power-to-weight ratio of 6.34 lb./hp

4. double-wishbone front suspension and multi-link rear highly rigid and tuned for direct feedback

5. Rigid torque tube also contributes to overall rigidity

6. Sport VDIM and large-diameter carbon ceramic brake rotors inspire confidence at extreme speeds

7. Flat underbody and active rear wing optimize aerodynamic downforce

LEXUS LFA


SUSPENSIONSUSPENSION

SUSPENSION

1. A newly developed high-performance double-wishbone front suspension and multi-link rear suspension suited for use in a supercar application have been developed

A. Front

I. An in-wheel dual-joint lower wishbone ensures greater suspension alignment for excellent response and stability

II. The load-bearing span of each arm has been widened for increased rigidity and optimized geometry

B. Rear

I. The coil spring and the shock absorber are positioned separately

II. Each arm has been made linear with a wide load-bearing span to reduce weight and increase rigidity

III. Suspension geometry and response were tuned to provide direct feedback to the driver

LEXUS LFA


DOUBLE-WISHBONE FRONT SUSPENSIONDOUBLE-WISHBONE FRONT SUSPENSION

DOUBLE WISHBONE FRONT SUSPENSION

1. Suspension Structure

A. Forged aluminum knuckles, carriers and suspension arms reduce unsprung weight and maintain high rigidity

B. Pillow ball joints have been provide direct response and enhance suspension mount rigidity

C. Lateral load-control springs are used at the front for more linear dynamics

D. Linear-rate coil springs are used at the rear to reduce lateral deflection and provide precise feedback

E. Aluminum monotube shock absorbers provide a lightweight, low-resistance and highly responsive design

F. Lightweight, highly rigid aluminum upper supports maximize the performance of the shock absorbers

G. Hollow front and rear stabilizer bars are lightweight yet rigid, creating more linear handling characteristics

H. High-rigidity, low-friction stabilizer bushings and lightweight high-rigidity stabilizer brackets maximize the performance of the stabilizer

I. Lightweight, high-rigidity hubs and bearings are used

LEXUS LFA


MULTI-LINK REAR SUSPENSIONMULTI-LINK REAR SUSPENSION

MULTI-LINK REAR SUSPENSION

1. Suspension Structure

A. Forged aluminum knuckles, carriers and suspension arms reduce unsprung weight and maintain high rigidity

B. Pillow ball joints have been provide direct response and enhance suspension mount rigidity

C. Lateral load-control springs are used at the front for more linear dynamics

D. Linear-rate coil springs are used at the rear to reduce lateral deflection and provide precise feedback

E. Aluminum monotube shock absorbers provide a lightweight, low-resistance and highly responsive design

F. Lightweight, highly rigid aluminum upper supports maximize the performance of the shock absorbers

G. Hollow front and rear stabilizer bars are lightweight yet rigid, creating more linear handling characteristics

H. High-rigidity, low-friction stabilizer bushings and lightweight high-rigidity stabilizer brackets maximize the performance of the stabilizer

I. Lightweight, high-rigidity hubs and bearings are used

LEXUS LFA


ELECTRIC POWER-ASSIST STEERINGELECTRIC POWER-ASSIST STEERING

EPS MotorEPS Motor

ELECTRIC POWER-ASSIST STEERING

1. Two objectives -

A. Transmit the driver’s steering input to the wheels as accurately as possible

B. Provide the driver with outstanding feedback from the wheels

2. Key features

A. A high level of rigidity and efficiency ensure linear steering performance

B. A high level of rigidity and low resistance to provide seamless feedback to the driver

C. A race-tuned column-assist EPS (Electric Power Steering) system

I. Allowed greater design freedom

II. Reduced steering system load on the engine to maximize power performance potential

3. Structure of the Steering System

A. Steering gearbox housing fastened directly to the suspension member with four rigid mounts for increased rigidity

B. The main and intermediate column shafts have been thickened for enhanced rigidity and precision

C. Pinion-shaft cross-angle is reduced from a typical 20° to 10 ° to more effectively mesh with the steering rack

D. Friction in the motor-driven section of the column is reduced by using newly developed powder grease

E. A manual tilt and telescopic steering column is used

LEXUS LFA


STEERINGSTEERING

Center of Gravity

Center of Rotation

STEERING

1. A hollow, carbon-fiber reinforced composite steering wheel is used for a lightweight, rigid design

A. The sides of the steering wheel are bound with leather and feature contoured sections for enhanced grip

B. Small-diameter (360 mm) enhances grip

C. Bottom of the steering wheel has been flattened –

I. to reduce moment of inertia

II. and provide higher roational center, closer to steering wheel’s CG

D. The center of the steering wheel is offset 10 mm above the center of the column shaft to ensure visibility of the combination meter

I. Places center of gravity closer to the center of rotation

II. Nearly eliminates any unbalanced sensation when turning the wheel as well as minimizes the influence that lateral and vertical Gs have on steering inputs

E. Key control functions are placed on the steering wheel and column

I. Engine Start switch

II. Engine Start indicator light

III. Meter information selector switch

IV. Transmission shift paddles

LEXUS LFA


FrontFront

CARBON-CERAMIC BRAKESCARBON-CERAMIC BRAKES

RearRear

CARBON-CERAMIC BRAKES

1. Front and Rear Brakes

A. Oversized brakes have been specified to provide excellent stopping power

I. Front 390 mm diameter, rear 360 mm diameter

B. Aluminum opposed-monoblock calipers combine high rigidity with a lightweight design

I. Front 6-piston, rear 4-piston

C. Carbon Ceramic Material (CCM) brake discs reduce weight and provide a long service life

LEXUS LFA


CARBON-CERAMIC BRAKE SYSTEMCARBON-CERAMIC BRAKE SYSTEM

Opposed 6-Piston Brembo monoblock calipers with differential bore sizes


FrontFront

390 x 34 mm CCM 2-Piece Brake Disc


RearRear





ForwardForward

Parking Brake Caliper

Parking Brake Caliper

ø38ø38

ø32ø32

ø28ø28

ø28ø28

ø30ø30

CARBON-CERAMIC BRAKE DISCS

1. Use of Carbon Ceramic Material instead of cast iron results in a 10.1 lb. (5 kg) reduction in unsprung weight on each corner

2. Exceptionally hard CCM provides a longer lifespan than that achieved by conventional cast iron rotors during normal use

3. Impregnated silicone disc material reduces brake wear and increases performance when wet or cold

4. Floating disc construction

A. 10 bushings connect the center hat to the disc

B. Reduces vibrations under braking due to disc deformation caused by expansion at high temperatures

LEXUS LFA


BRAKE COOLINGBRAKE COOLING

Side View (Ducts)Side View (Ducts) Top View (Ducts)Top View (Ducts)

BRAKE COOLING

1. Brake Cooling Performance

A. Brake ducts have been engineered to provide ample cooling performance even under extreme circumstances

B. Brake ducts and under covers have been finely tuned to ensure that air drawn from beneath the under covers does not interfere with overall aerodynamic performance

2. Electronically Controlled Brake (ECB) System

A. VDIM-integrated ECB ensures responsive, stable and effective braking

I. Designed to offer maximum performance regardless of fluctuations in engine vacuum while providing linear brake feedback

a) Detects the amount of braking applied by the driver via the brake pedal stroke sensor

b) Adjusts hydraulic pressure at the source to provide the optimal amount of braking power

II. Capable of controlling brake pressure sent to each wheel

III. In the case of a system malfunction, braking control is provided by a backup control system

LEXUS LFA


TIRES AND WHEELSTIRES AND WHEELS

Bridgestone Potenza next-generation tires

265/35R20 95Y

305/30R20 99Y

Bridgestone Potenza next-generation tires

265/35R20 95Y

305/30R20 99Y

BBS Forged Alloy Wheels

20" x 9.5"

20" x 11.5"

BBS Forged Alloy Wheels

20" x 9.5"

20" x 11.5"

TIRES AND WHEELS

1. Unique Bridgestone Potenza tires have been developed for the LFA

A. Front 265/35ZR20 (95Y)

B. Rear 305/30ZR20 (99Y)

C. Asymmetrical pattern is not unidirectional—can be rotated side to side

2. Design focuses on pure performance

A. Use of run-flat tires is avoided to minimize unsprung weight

3. New Bridgestone Potenza tread pattern achieves a high level of tread block rigidity, enhanced control and steering stability

4. An optimum tread compound has been selected together with the new pattern for superior wet and dry performance

5. Reliable, accurate feedback and superior control performance have been achieved as a result of thorough testing on the Nürburgring old course

FORGED ALUMINUM WHEELS

1. Front 20" x 9.5" J

A. Weight: 12.7 kg (28.0 lb.)

2. Rear 20" x 11.5" J

A. Weight: 14.6 kg (32.2 lb.)

3. Front and rear wheels feature a 45 mm inset (offset?)

4. Silver-finish is are standard

A. Gunmetal and polished finishes are available

LEXUS LFA


EXTERIOR DIMENSIONSEXTERIOR DIMENSIONS

4,495 mm (177.0 in) Europe4,505 mm (177.4 in) North America

4,495 mm (177.0 in) Europe4,505 mm (177.4 in) North America

1,895 mm (74.6 in.)

1,895 mm (74.6 in.)

1,220 mm (48.0 in.)

1,220 mm (48.0 in.)

2,605 mm (102.6 in.)2,605 mm (102.6 in.)

1,580 mm 1,580 mm (62.2 in.)(62.2 in.)

1,570 mm 1,570 mm (61.8 in.)(61.8 in.)

EXTERIOR DIMENSIONS

1. To realize superb motive performance, vehicle dimensions were designed with four points in mind

A. Front overhang must be as short as possible to reduce the moment of inertia

B. Overall vehicle height must be as low as possible to lower the center of gravity

C. Tread width must be as wide as realistically possible for a street car

D. Wheelbase must balance turning maneuverability and the driving stability demanded of the vehicle

LEXUS LFA


CARBON FIBER CONSTRUCTIONCARBON FIBER CONSTRUCTION

CFRPCFRP

Aluminum AlloyAluminum Alloy

35% 65%

CARBON FIBER CONSTRUCTION

1. carbon fiber reinforced composite (CFRP) is used for the cabin for a lightweight and highly rigid body shell

A. 65% of cabin/subframe structure weight is CFRP

B. Lighter than a comparable steel construction

2. Aluminum front and rear sub-frames to provide a lightweight, durable mounting for suspension and drivetrain

LEXUS LFA


COMPOSITE CONSTRUCTIONCOMPOSITE CONSTRUCTION

Pre-Preg

RTM (Resin Transfer Molding)

Aluminum Alloy

C-SMC (Carbon-Sheet Molding Compound)

G-SMC (Glass-Sheet Molding Compound)

Forward

Up

COMPOSITE CONSTRUCTION

1. Optimally allocated materials

A. Different molding processes and materials are used depending on how much load a component is to bear and the complexity of its shape

B. Pre-preg Hand Laid Parts

I. The pre-preg hand-laid process is used in the dash panel as well as the side and cross members to ensure a lightweight construction and optimum strength

C. Resin Transfer Molding (RTM) formed integrated floor panel

I. Floor components have been integrated to form a large integrated floor panel

a) Drastically reduces number of floor components required

II. Braiding-reinforced Roof Side Rails

a) Braiding process allows for hollow components with a varying cross-section to be made, saving space and ensuring strength

D. Carbon-fiber-reinforced Sheet Molding Compound (C-SMC)

I. Used in the center pillar surround, rear floor, and other complex integrated areas for lightweight construction

E. Glass-fiber-reinforced Sheet Molding Compound (G-SMC)

I. Adding Glass Micro Balloon (GMB ) to the G-SMC reduces weight 13 % compared to a G-SMC part without GMB

II. Used in fenders, doors, rail garnish, rocker moldings, quarter panels, fuel tank lid, and rear upper bumper

LEXUS LFA


AERODYNAMICSAERODYNAMICS

AERODYNAMICS

1. Aerodynamic development was focused on optimizing steering feel

A. Front and rear downforce distribution has been honed to provide the most confident steering feedback possible

B. The body has been carefully sculpted to optimize airflow using computational fluid dynamics and wind tunnel testing

LEXUS LFA


UNDERBODY AERODYNAMICSUNDERBODY AERODYNAMICS

UNDERBODY AERODYNAMICS

1. An engine under cover, full-flat front floor, and rear diffuser enhance the underbody aerodynamic performance

A. Carbon Fiber Reinforced Plastics is used for engine under cover No. 1 and aluminum for engine under cover No. 2

I. Lightweight yet highly rigid

2. Spats installed ahead of the tires prevent airflow from spilling into the wheel housing

A. Edges are trimmed to help minimize turbulence and guide airflow around the tires, achieving superior steering stability

3. Airfoil-shaped fins on the under cover efficiently adjust the flow of air underneath the vehicle

4. Fin shape at the opening below the engine compartment allows enables engine compartment air to exit without disrupting underbody airflow

LEXUS LFA


AERODYNAMICS: HIGH-SPEED STABILITYAERODYNAMICS: HIGH-SPEED STABILITY

AERODYNAMICS: HIGH-SPEED STABILITY

1. Optimally shaped aerodynamic components have been designed to precisely manage airflow in order to ensure confident steering both when driving in a straight line and when negotiating corners

2. Reduces coefficient of drag (Cd) and coefficient of lift (Cl) [increased downforce]

A. Front pillar fin

I. Reduces turbulence generated at the intersection between the base of the A-pillar and the hood

B. “Air kick” panel insert

I. Reduces turbulence generated at the rear end of the C-pillar

C. Lip spoiler

I. Provides optimal downforce by directing air underneath the vehicle

D. Rocker fin

I. Directs air flow along the sides of the vehicle

II. Helps maintain stability when rolling in a turn by controlling the amount of air flow departing from underneath the vehicle

E. Active rear wing

I. Generates downforce for greater handling stability

II. Controlled in accordance with vehicle speed

III. Rear edge of the wing features a Gurney flap for additional downforce

LEXUS LFA


SOUND DESIGNSOUND DESIGN

SOUND DESIGN

1. Acoustics of the LFA V10 engine have been tuned to deliver a unique auditory experience

2. Horizontally split intake manifold mimics the acoustic chambers of wind and string instruments for a rich and resonant bass

A. Tuned, large diameter, equal-length exhaust manifolds run through a lightweight titanium dual-stage main silencer

B. The lightweight titanium main silencer features a valve-actuated, dual-stage structure that channels exhaust flow according to engine speed

I. Below 3,000 rpm, the exhaust valve remains closed to route the exhaust through multiple chambers for an unobtrusive exhaust note

II. Above 3,000 rpm, the valve opens to let the exhaust bypass the chambers, flow into a single resonance chamber and exit directly

C. Three acoustically optimized sound channels ensure the LFA’s cabin is filled with the engine’s sonorous intake and exhaust soundtracks

LEXUS LFA


SOUND DESIGNSOUND DESIGN

ForwardForward

Surge TankSurge Tank

Acoustic PassagesAcoustic Passages

ForwardForward

Intake ManifoldIntake Manifold

Upper CowlUpper Cowl

Sound PassageSound

Passage

Dash PanelDash Panel

ReflectorReflector

SOUND DESIGN

1. The engine’s induction sounds are carefully channeled into the LFA’s cabin

A. The main sound channel that pipes in the engine’s induction notes runs from the surge tank through into the cabin below the main dash panel

I. Complemented by two further sound channels—the upper cowl opening and lower reflector

II. Upper cowl opening, at the top of the dash structure, directs mid- to high-range tones into the cockpit

III. Lower reflector at the base of the cabin envelopes occupants in rich and resonant engine notes

LEXUS LFA


INTERIOR DESIGNINTERIOR DESIGN

INTERIOR DESIGN

1. Three-dimensional overlapping design enhances the presence of each and every component through deliberately enlarged contours

2. Genuine leather and alcantara trim is used extensively

A. The ends of the upholstery have been folded back and stitched to create a rounded three-dimensional shape

I. An extensive range of materials and colors are available for the interior upholstery along with a variety of accent stitching colors, enabling a highly customizable design for the instrument panel

B. Soft materials have been used at major touch points to create a softer feel

3. Slimline air vents promote a sense of lateral continuity in the design

4. Genuine carbon is used for decorative trim on the instrument panel

5. Satin-finish metal accents are available for the audio panel, air conditioning control panel (on models with navigation), satellite switches, console panels and the air vent bezels

A. Optional colors are available for the satin-finish metal accents, extending the range of customization

LEXUS LFA


SEATINGSEATING

SEATING

1. Orthopedically designed leather-trimmed seats feature a split rear backrest, pronounced side bolsters and 8-way power adjustment

A. Standard auto-away and return function

B. Standard seat heaters

LEXUS LFA


COMBINATION METERCOMBINATION METER

COMBINATION METER

1. Combination meter features a color Thin Film Transistor (TFT) Liquid Crystal Display (LCD) panel and a motor-driven movable ring

A. The design combines supercar exhilaration, Lexus sophistication and superior precision to give the combination meter a unique presence

B. Meters, gauges, indicators and vehicle control information are displayed on the color TFT LCD panel for superior visual clarity

I. The LCD tachometer needle was developed to accommodate the engine’s ability to rapidly achieve high rpm levels

C. By operating the information selector switch on the steering wheel, the driver can display a menu; enabling the customization of the combination meter, display of the vehicle status, and adjustment of cabin illumination brightness

D. Combination meter appearance changes according to the driving mode to make the driver visually aware of the selected mode

E. A specially designed “opening ceremony” is shown during vehicle start-up

I. Provides the impression that the driver’s operation of the shift paddles brings the vehicle to life when starting the engine

LEXUS LFA


MENU DISPLAY SCREENMENU DISPLAY SCREEN

MENU DISPLAY SCREEN

1. The combination meter can display Normal Screen Mode or Menu Display Screen Mode using the information selector switch on the steering wheel

A. When the menu is displayed, the ring moves with the display to the right of the screen in order to accommodate the menu

B. Menu options

I. Optional speed warning setting

II. Rev peak-hold mode

III. Trip information display

IV. Stopwatch setting

V. Brightness setting

VI. Set up

LEXUS LFA


STOPWATCH FUNCTIONSTOPWATCH FUNCTION

STOPWATCH FUNCTION

1. A stopwatch function is available by selecting “Timer” from the menu

A. Displays the previous lap time, fastest lap time, and total time

B. The current time is shown in the drive monitor display

C. Lap time is shown to the left of the ring

D. After measurement is complete, a previous lap time list is available for reference

2. Lap time measurement and list displays can be shown by toggling the steering-wheel-mounted meter information selector switch up and down

A. Start and stop functions can be operated by pressing the meter information selector switch up, and the lap time and reset functions can be operated by pressing it down

B. When the lap time list is displayed, the driver may scroll through the list using the up and down buttons on the steering-wheel-mounted meter information selector switch

LEXUS LFA


INTERIOR FEATURESINTERIOR FEATURES

INTERIOR FEATURES

1. Mark Levinson® Premium Surround Sound System with 12 speakers and 12 channel amplifiers

A. 6-disc DVD changer available

B. Class D amplifiers help to attain an extremely precise sound from a lightweight, high output system

I. Lexus first

II. Overall weight reduction of 40% compared to conventional Mark Levinson® Premium Surround Sound systems

2. Audio mini-jack and USB terminal located in glovebox

A. Allows audio from the device to be played through the speakers

B. Connecting device to the USB terminal enables track information to be shown in the audio display and the device to be operated using audio controls

3. Bluetooth®-compatible Audio Player Playback Function

A. Enables AV Profile-supported mobile phones and portable audio devices to play musicwirelessly through the audio system

LEXUS LFA


INTERIOR FEATURESINTERIOR FEATURES

INTERIOR FEATURES

1. Available DVD Navigation System with Remote Touch

A. 7-inch multi-display screen

B. Features same as RX, HS???

2. Available Lexus Enform with Safety Connect service

A. How deep??

3. Standard dual automatic climate control with pollen removal type clean air filter

4. Available Rear View Monitor System

A. Displays an image of the area behind the vehicle on the multi-display whenever the vehicle is in reverse

LEXUS LFA


COLOR AND TRIMCOLOR AND TRIM

COLOR AND TRIM

1. LFA will have the most customizable color palette of any Lexus ever

A. Nearly 30 billion possible configurations

B. Exterior selections

I. 10 standard exterior color choices

a) An additional 20 optional special color choices

b) Special order colors available at clients request

II. Three road wheel choices

III. 6 brake caliper colors

C. Interior color and trim selections

I. Individual selections for color and material can be made

a) Seat front and back

b) Upper instrument panel

c) Lower instrument panel, door trim, and center console

d) Door grip, steering wheel

e) Headliner

f) Floor mats

g) Stitching

II. Up to 12 interior colors to choose from

a) In either leather or alcantara

III. Two color choices for metal trim

LEXUS LFA


LEXUS LFALEXUS LFA

LEXUS LFA

lexus lfa product presentation

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