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Thursday, August 16, 2012

Renault DeZir 2012



Renault DeZir is the first project to be led by Laurens van den Acker and marks the implementation of the strategy based on the notion of 'life cycle'. The first step involves falling in love, an experience that is perfectly illustrated by DeZir's powerful, sensuous styling and bright red finish; red being the colour associated with passion.

The result is a two-seater coupe which is both sculptural in spirit yet perfectly harmonious. DeZir's shape features prominent wheel arches that accommodate 21-inch wheels, the design of which took its inspiration from the notion of movement.

Renault DeZir's front end features a full-width air-intake which strikes out either side of a large, vertically positioned Renault logo that proudly displays the car's brand pedigree. Meanwhile, the chrome finish of the diamond-shaped logo contrasts with the dark aspect of the grille to express the statement still further.
DeZir is powered by an electric motor mounted in a mid-rear position to optimize weight distribution over the front and rear wheels. The vertically-mounted 24kW/h lithium-ion battery is located behind the benchseat and provides the car with a range of 160km.

Battery cooling is ensured not only by the air channelled from the front to the back of the car, but also – and above all – by the flow of air that enters through the lateral scoops concealed behind the aluminium panels on either side of the body.

The basic motor is the same as the unit used for Renault's production electric cars, although an evolution has enabled its power and torque to be uprated to 110kW (150ch) and 226Nm respectively.

Three battery-charging methods can be employed:
- a standard charge using a conventional household plug (fully charges the battery in eight hours).
- a fast charge using a 400V three-phase current (charges the battery to 80 per cent of its capacity in 20 minutes).
- a fast battery exchange thanks to Renault's Quick Drop technology.

Renault DeZir Concept Car Technical Specifications
  • Motor: Electric synchronous motor with rotor coil
  • Power: 110 kW / 150 hp
  • Maximum torque: 226 Nm
  • Top speed: 180 km/h
  • Acceleration 0-100 km/h: 5 seconds
  • Acceleration 0-50 km/h: 2 seconds
  • Battery: Lithium-ion (24 kW/h)
  • Range: 160 km
  • Transmission: Rear-wheel drive; Direct, drive, with reducer and forward/reverse inverter
  • Drive: Electric with active differential
  • Chassis: Tubular steel frame
  • Wheels and tyres: 245/35 R 21
  • Diameter of ventilated brake discs: 356 mm (front and rear)
  • Callipers: 6 pistons (front and rear)
  • Cd (drag coefficient): 0.25
  • Kerb weight: 830 kg

Overall Dimensions

  • Length: 4,225 mm
  • Width: 1,968 mm
  • Height: 1,163 mm
  • Height, with doors open: 2,256 mm
  • Width, with doors open: 2,682 mm
  • Ground clearance: 110 mm
  • Wheelbase: 2,582 mm
  • Front track: 1,600 mm
  • Rear track: 1,705 mm
Renault deZir is Really sportcar with the best performance and the fastest car. Within the framework of the creation of an audio signature for the brand's upcoming electric vehicles, Renault has been working closely with the highly-regarded IRCAM (Institut de Recherche et Coordination Acoustique/Musique, founded by Pierre Boulez in 1969) to define the sound that best reflects DeZir's personality.

Wednesday, August 15, 2012

BMW i8 Hybrid sportcar, 2012



A usual presence at auto shows around the world, the future BMW hybrid sportcar, i8, makes another appearance at the 2012 Geneva Motor Show. The first iteration of the i8 premiered back in 2009 at the Frankfurt Auto Show and it was initially marketed under the Vision EfficientDynamics name.
 During the recent , a BMW representative confirmed the Spyder does not even have a functioning soft-top, or any form of weather protection.Yet considering the incredible technology lurking within the i8, BMW’s engineering team will hardly be stumped if called upon to develop a working top.

The BMW i8 Spyder's plug-in hybrid technology like the i8 coupe, this car has a plug-in hybrid powertrain to produce supercar performance for claimed supermini emissions.A 129bhp electric motor drives the front wheels, while a three-cylinder turbo petrol engine sends 220bhp to the back axle. Total system output is 349bhp and 406lb ft of torque. Which explains why BMW is quoting 0-62mph in 5.0sec and a limited 155mph top speed.Yet the two-seater i8 Spyder is claimed to manage 94mpg on the European test cycle (although today's announcement doesn't say whether that's the combined total figure or an economy on the easier extra-urban cycle). The plug-in hybrid will reportedly weigh in at 3,197 lbs with a 2+2 seating configuration and pop-up door design. Powering the i8 will be a 170-hp electric motor driving the front wheels, while a turbocharged 1.5L three-cylinder powers the rear wheels with 223-hp and 295 lb-ft of torque.

Despite earlier rumors that a non-hybrid, M-variant of the i8 would be in production, ideas of a V8- or V10-powered i8 has been tossed out the window. That’s no real surprise as BMW really wishes to push the future of its technology with their i-model lineup.

Friday, August 10, 2012

2012 Ferrari 458 spider



The 458 spider is the best sports car presented by Ferrari automobile company .The 458 Spider is the hard-top convertible version of Ferrari's two-seat, mid-rear engine exotic sport coupe, the 458 Italia. Its retractable aluminum hard-top flips over to stow neatly upside-down beneath the rear deck lid, allowing occupants to better hear the incredible scream of the 458's high-revving V8 engine.
Ferrari says that structural modifications mean that the Spider features the same level of rigidity with the top up or down. Meanwhile, an adjustable electric windstop keeps unwanted air out of the cockpit. Ferrari says that normal conversations can be had at up to 124 mph.
Mechanically identical to the Italia, the Spider features the same 4.5-liter direct-injection V8 and F1 paddle-shift dual clutch transmission mated to a traction-aiding E-Diff rear differential. Ferrari says that certain suspension components have been modified to better suit a topless Ferrari and that the exhaust system has been reconfigured to provide maximum aural qualities.
The V8 cranks out 562 horsepower at a staggering 9,000 rpm and 398 lb-ft of torque at 6,000 rpm, which combines with its 3,153 lbs curb weight to help the 458 Spider scoot to 62 mph in just under 3.4 seconds.
458 Spider specification
Dimensions
Length
4527 mm (178.2 in.)
Width
1937 mm (76.3 in.)
Height
1211 mm (47.7 in.)
Wheelbase
2650 mm (104.3 in.)
Dry weight
1430 kg (3153 lbs)*
Weight/power ratio
2,51 kg/CV (7.42 lbs/kW)
Weight distribution fr/r
42%/58%


Engine
Type
90° V8
Displacement
4499 cc (274.5 cu in.)
Maximum power
570 CV (425 kW)** @ 9000 rpm
Maximum torque
540 Nm (398 lbs/ft) @ 6000 rpm
Specific power output
127 CV/l
Compression ratio
12.5:1


Tyres
Front
235/35 ZR20 8.5”
Rear
295/35 ZR20 10.5”


Performance
Maximum speed
>320 km/h (>198 mph)
0-100 km/h
<3,5 s


Fuel consumption + emissions
Fuel consumption***
11,8 l/100 km
Emissions***
275 g CO2/km


Gearbox
Dual-clutch, 7-speed F1

Electronic

E-Diff3, F1-Trac, high-performance ABS

2012 Ferrari 458 Spiderprice starts at $257,000





Thursday, August 9, 2012

Mercedes-Benz SLS AMG 2012



It's been over a half-century since Mercedes-Benz unveiled its iconic 300SL Gullwing, and we just got a sneak peek at an AMG sports car we think might be bold enough to properly honor that landmark two-door. But don't expect the new SLS AMG to simply parrot the past; this curvaceous creation is the first vehicle designed and developed entirely by AMG (Mercedes-Benz's performance arm). As you might imagine, the SLS is just as high-tech as AMG's brawny, handbuilt powerplants.

The SLS AMG is available as a coupe or convertible soft-top. A naturally-aspirated 563-hp 6.2 liter V8 sends power to the rear wheels through an all-new rear-mounted AMG SPEEDSHIFT seven-speed automatic transaxle. Standard features include a sport-tuned suspension, 19-inch front/20-inch rear wheels, Bi-Xenon high-intensity headlights, sport seats with leather trim, dual-zone automatic climate control, Sirius satellite radio, Bluetooth wireless connectivity and aluminum interior trim. Standard safety features include electronic stability control with traction control, eight airbags - including knee airbags for driver and passenger, ignition disable, panic and security alarms. Options include carbon fiber interior trim, AMG carbon ceramic brakes, AMG performance suspension and AMG carbon fiber exterior mirrors.

Data

  • Wheelbase: 105.5 in (2680 mm)
  • Length 182.6 in (4638 mm)
  • Width 76.3 in (1939 mm)
  • Height 49.7 in (1262 mm)
  • Rims: 9.50 × 19 in (front), 11 × 20 in (rear), forged aluminium
  • Tyres: 265/35 R 19 (front), 295/30 R 20 (rear)
  • Kerb Weight: 3562.48 lb (1620 kg)
  • Power-to-weight ratio: 348 bhp/tonne
  • Weight-to-power ratio: 2.78 kg (6.1 lb)/ 1 PS (0.74 kW)

Mechanical
Engine & Performance
  • Base engine size: 6.2 L
  • Cam type: Double overhead cam (DOHC)
  • Cylinders: V8
  • Valves: 32
  • Valve timing: Variable
  • Torque: 479 ft-lbs. @ 4750 rpm
  • Horsepower: 563 hp @ 6800 rpm
  • Turning circle: 39.0 ft.
  • Base engine type: gas
DriveTrain
  • Drive type: rear wheel drive
  • Transmission: 7-speed automated manual
  • Rear limited slip differential
Suspension
  • Double wishbone front suspension
  • Double wishbone rear suspension
  • Four-wheel independent suspension
  • Front and rear stabilizer bar
Fuel
  • Fuel type: gas
  • Fuel type: premium unleaded (required)
  • Fuel tank capacity: 22.5 gal.
  • Range in miles (cty/hwy): 315.0/450.0 mi.
  • EPA mileage est. (cty/hwy): 14/20 mpg
Mechanical Options
  • AMG Carbon Ceramic Braking System
  • Red Painted Brake Calipers
  • AMG Adaptive Suspension
  • AMG Performance Suspension

Safety

In the July 2010 issue of Car and Driver magazine, safety specifications were revealed pertaining to the safety of the SLS AMG's gullwing doors. Ten to fifteen milliseconds after a detected rollover, explosive bolts situated at the top of the door frame fire and bell cranks separate the doors from the car for easy exit during a serious accident. An anti-locking system and a 3-stage ESP are standard.

Wednesday, August 8, 2012

McLaren MP 4-12C 2012



With the best experience and outstanding team work the Engineers and designers at McLaren are currently developing several new and highly innovative sports cars to bring to the global market. The MP 4-12C is now in production signaling the beginning of the rebirth of a company that has not had a distinct production vehicle for over a decade. Its stunning performance and efficiency have caught the eyes of the automotive press since McLaren first began testing mules at their facility and now we get to see it in final form.

The MP 4-12C 2012 Specifications
The M838T engine was designed specifically for the 12C and has several unique features. It is a 3.8-liter twin-turbo V8 weighing only 439 lbs. The engine produced 592hp @7,000rpm and 443 lb-ft. of torque between 3,000 and 7,000rpm for the 2011 and 2012 model years. With the use of the company’s carbon-fiber structure and other lightweight components, such as an optional exhaust made from Inconel, the car achieves a stellar power-to-weight ratio of 455bhp/tonne. It’s a simple racing that low weight and high power are key ingredients to speed. The 12C will reach 60mph in 3.3 seconds and an even faster 3.1 seconds with the optional high-performance tire option. As this car will undoubtedly be compared to the McLaren F1 of the past, the new team made sure the top speed of the 12C would be formidable topping out at 205mph.
Vehicle dynamics technology including Brake Steer, ProActive Chassis Control and the unique McLaren Airbrake combine to offer sublime comfort in all driving conditions; and yet deliver race car performance and handling on track.

McLaren is a carbon pioneer. In 1981 McLaren gave a debut to a carbon fibre monocoque chassis in Formula 1 with the launch of the MP4/1 race car, and in 1992 the legendary McLaren F1 introduced the advanced composite technology to the world of road cars. It was natural then for McLaren Automotive engineers to apply its carbon expertise when developing the groundbreaking one-piece moulded chassis of the 12C. With the 12C designed originally as a convertible, its 75kg 'MonoCell' requires no additional strengthening for it to feature in the 12C Spider. The result is a sports car almost identical to its fixed roof equivalent in performance terms, and weighing only 40kg more with the addition of a convertible roof system.

The Retractable Hard Top of the 12C Spider is operated using a switch in the lower section of the centre console inside the cabin, taking less than 17 seconds to raise or lower. Unlike many other convertible models,the roof can be operated whilst the 12C Spider is moving at speeds of up to 30 kph (19mph).


McLaren MP4-12C GT3 Technical Specification

Width (mm)
1995mm
Height (mm)
1145mm
Wheelbase (mm)
2670mm
Fuel tank capacity
120 litres
Chassis/body
McLaren carbon fibre MonoCell with aluminum front and rear frames and bespoke carbon body panels
Aerodynamics
Front and rear diffuser, front splitter, dive planes and adjustable rear wing.
Transmission
6 speed sequential using actuation via steering wheel mounted paddles Limited slip differential with a range of ramps and adjustable pre-load. Wet sump Sintered clutch hydraulically operated Driveshafts with tripod joints
Engine type
V8 twin turbo McLaren M838T
Engine capacity
3.8L
Bore x Stroke
93 x 69.9
Max. Engine speed
Limited to 7500rpm
Cylinder block
Cast aluminium , 90 deg V angle, dry sump scavenge, Nikasil coated liners
Crankshaft
Forged steel flat plane
Pistons
Forged aluminium
Conrods
Forged steel
Cylinder head
Cast aluminium with plastic composite cam covers, inlet & exhaust variable cam timing
Valvetrain
32V with 40 deg variable cam timing on intake & exhaust. Low mass with sliding contact end pivoted pinger followers, single variable rate springs and hollow cast chilled iron camshafts
Intake system
Two water/air charge air coolers. Plastic composite plenum.
Exhaust system
Cast stainless steel exhaust manifold with compact MHI fixed geometry turbo chargers.  970 deg C turbine inlet temperature.
Fuel system
Returnless fuel rail with twin fuel tank mounted pumps and twin spray injectors
Engine management
MESL TAG400 ECU & CIU 100 Interfacing with Bosch ABS and Shiftec control units
Wiring harness
Modular installation: Engine, chassis, fuel cell
Lubrication
MOBIL1: engine and transmission
Cooling
Air/water heat exchangers for engine water and charge air cooling combined with water/oil heat exchangers for engine, transmission & PAS.
Front axle
SKF integrated axles with handed single wheel retaining nut
Rear axle
SKF integrated axles with handed single wheel retaining nut
Front suspension
Double wishbone adjustable for ride height camber and toe
Rear suspension
Double wishbone adjustable for ride height camber and toe
Dampers
Coil over Multimatic dampers with DSSV technology with independent bump and rebound adjustment
Front brake system
Akebono 6 piston monoblock caliper 378Ø x 36mm Iron ventilated disc
Rear brake system
Akebono 4 piston monoblock caliper 355Ø x 32mm iron ventilated disc
Steering
Electro-hydraulic PAS
Wheels
Forged Aluminium Front 12” x 18” Rear 13” x 18” MESL TPS system compatible
Cockpit electronics
Multifunction steering wheel with integrated driver display Central switch panel with systems display screen
Steering wheel
Derived from MP4-24 Formula 1 wheel retaining integrated driver display, paddle shift and switches

mcLaren GT set the price of the new MP4-12C GT3 at £310,000 for 2012 cars.

Tuesday, August 7, 2012

Lamborghini Aventador lp700-4,2012



The 2012 Lamborghini Aventador is intimidating. It's not the wild paint or the razor-sharp styling. It's not the 690-horsepower V12 lurking behind your shoulder or the Lamborghini lore of punishing overzealous drivers. It's not even the sky-high price. No, it's the indisputably alien nature of the Aventador.
The new engine was designed, developed, and will be hand assembled entirely at Lamborghini's headquarters in Sant'Agata Bolognese. An all-new 6.5-liter V-12 engine produces 700 hp (that's 60 hp more than the outgoing Murciélago) at a crankshaft whirling 8,250 rpm. Maximum torque is 509 lb-ft at 5,500 rpm.  

Speaking of lighter weight, the entire body weighs a mere 505 pounds, while its torsional rigidity is much greater than that of the Murciélago. This is due to Carbon Fiber Reinforced Plastic, (CFRP), as used in Formula 1 racecars. The entire monocoque of the car—basically the central part of the car, including the roof—is made of carbon fiber and weighs only 324 pounds, yet provides the safety roll cage protection of a race car.

It features a host of eccentricities that focus equally on wowing crowds and returning performance superlatives. Its chassis is built primarily of carbon fiber; horizontally mounted and pushrod-actuated Ohlins shocks sit at all four corners; its start button is covered by a red plastic flap you flip with your thumb to access as one might do to fire an intercontinental ballistic missile; and its wing and air inlets deploy like flaps on a plane. (A dash indicator relays the wing's position should you be too busy to check the rear view, or, in Italian fashion, simply not care.)

Interior Options
  • Steering Wheel w/Suede Leather Inserts
  • Steering Wheel w/Perforated Leather Inserts
  • Lamborghini Sound System (LSS)
  • Smoker Package
  • Multifunction Steering Wheel in Smooth Leather
  • Multifunction Steering Wheel w/Suede Leather Inserts
  • Fully Electric and Heated Seats
  • Homelink
  • Branding Package
  • Bicolore Elegante Plus Interior
  • Unicolor Interior w/Contrast Stitching
  • Multifunction Steering Wheel w/Perforated Leather Inserts
  • Bicolore Sportivo Interior w/Alcantara
  • Bicolore Sportivo Interior
  • Park Assistance
  • Bicolore Elegante Interior
Exterior Options
  • Yellow Brake Callipers
  • Shiny Black Rims
  • Transparent Engine Bonnet
  • Orange Brake Callipers
  • Grey Brake Callipers
  • T-Engine Cover in Carbon Fiber
Fuel
  • Fuel type: gas
  • Fuel type: premium unleaded (required)
  • Fuel tank capacity: 23.8 gal.
  • Range in miles (cty/hwy): 261.8/404.6 mi.
  • EPA mileage est. (cty/hwy): 11/17 mpg
Safety & Security
  • 4-wheel ABS
  • Dual front side-mounted airbags
  • Remote anti-theft alarm system
  • Daytime running lights
  • Engine immobilizer
  • Dusk sensing headlamps
  • Xenon high intensity discharge headlamp
  • 2 front headrests
  • Passenger airbag occupant sensing deactivation
  • Front seatbelt pretensioners
  • Stability control
  • Traction control
  • Electronic brakeforce distribution
  • Front integrated headrests
  • Tire pressure monitoring

    Exotic sports cars don't usually get cross-shopped like mid-size sedans, but the Aventador can still be compared with the Ferrari 599GTB Fiorano, the Aston Martin DBS and the McLaren MP4-12C. Base Price: [$379,700]