Porche Carera GT v.s. Mercedes SLR Mclaren :: Automobilizam ~ Formula 1 ~ Karting ~ Moto sport

u pravu si za zvuk.....kad cujes kareru na tv dize ti se kosa, a uzivo dize ti.......

High-Performance Carrera GT with Technology of the Future

With its V10 engine providing more than 600 horsepower and with an array of cutting edge technologies including a ceramic composite clutch and brakes beneath its carbon-reinforced body, the Porsche Carrera GT uses the undiluted qualities of a genuine racecar to provide an unprecedented driving experience on the road.

Beautiful Design and Engineering, and 605 Horsepower

The Porsche Carrera GT, which was introduced as a 2004 model, is a low, sleek, lightweight roadster that is as beautiful to the engineer as it is to the eye. Foul weather protection is also available in the form of two removable panels that can be stored in the front trunk.

Among the car’s unique features are its 5.7-liter, 605-horsepower V10 engine, its monocoque chassis with Porsche-patented engine and transmission mounts made of carbon-reinforced plastic and the first use of a ceramic composite clutch in a production car. The Carrera GT’s aerodynamic and race-bred suspension package provides safe and stable travel at speeds of up to 205 mph (330 km/h). The Carrera GT features the extensive use of lightweight materials, such as magnesium for the car’s substantial wheels and the frames of its special sport seats.

The result of such artistic and athletic equipment is a car that accelerates from a standing start to 62 mph (100 km/h) in only 3.9 seconds, reaches 100 mph (160 km/h) in less than seven seconds, 125 mph (200 km/h) in less than 10 seconds, and can achieve a top test-track speed of 205 mph (330 km/h).

Purebred Racing Engine

Porsche’s development center in Weissach, Germany, built a 5.5-liter, normally aspirated V10 engine for racing, and that engine’s bores have been enlarged to displace 5.7 liters in the Carrera GT. Maximum output is rated at 605 horsepower at 8,000 rpm, with peak torque of 435 lb-ft. The engine has a very low center of gravity, a 68-degree V angle and four valves-per-cylinder heads. The engine block serves as a load-bearing part of the chassis structure, yet is so strong that there is no distortion to the cylinder bores. Using dry-sump lubrication reduces the number of engine components and seals and also helps optimize weight and reliability.

The engine has a closed-deck configuration, a principle carried over from motorsports. This closeddesk architecture enables the cylinders to be cooled by internal water chambers that directly surround the cylinders. Three front-mounted radiators and cross flow cooling ensure optimum heat transfer even under high engine loads.

The engine weighs only 472 pounds (214 kg). The block, crankshaft and camshafts are all made of light alloys. The crankshaft is designed to operate at speeds of up to 8,400 rpm and is both forged and designed for minimum mass inertia and thus offers maximum torsional stiffness.

Race-winning Suspension Design

The chassis and suspension of the Porsche Carrera GT are based on the architecture of the Porsche GT1, the car that won the 24 Hours of Le Mans race in 1998. For example, as on the GT1, the rear track control arms of the Carrera GT are made of aerodynamically designed steel tubes. However, Porsche engineers did not forget the need for driving comfort on the street when they adapted such racing-bred systems for the road-going supercar.

Like a racecar, the Carrera GT uses pushrod suspension with double-track control arms at all four corners to give the Carrera GT its refined response and behavior, feeding forces smoothly and efficiently into the car’s chassis. Where many cars use MacPherson spring struts, the Carrera GT’s spring and damper elements are operated by stainless steel pushrods and pivot levers, which separate the guidance function from the spring action.

Functional Ambience is Interior Theme

Even with its racing-quality performance, the Porsche Carrera GT has a cockpit characterized by functional ambience and the extensive use of high-tech materials. Carbon, magnesium and leather dominate interior materials, with composite components either in their natural state or painted to match the magnesium pieces.

The car’s center console is made of composite materials covered in galvanized magnesium and features the chassis number imprinted on the surface. The shift lever is positioned about halfway up the console directly next to the steering wheel.

The seats are finished in smooth leather and have manual adjustment (fore, aft and height) because power motors would add unnecessary weight. The seats are made of a composite carbon shell. Each seat weighs only 23.6 pounds (10.7 kg.), compared to 44.1 pounds (20 kg.) for the seats in a typical Porsche 911.

Air conditioning is optimized for weight and the car comes with a standard air filter system. A glass screen is mounted between the supplemental safety bars to help reduce wind buffeting. Even though the Carrera GT is a serious performance car, it can be equipped with many comfort features, including a navigation system and Bose audio. A battery trickle-charger is included as standard equipment.

2006 Porsche Carrera GT
Specifications
Engine
Type: V10
Displacement cu in (cc): 350 (5733)
Power bhp (kW) at RPM: 605(450) / 8000
Torque lb-ft (Nm) at RPM: 437(590) / 5750
Redline at RPM: 8400
Brakes & Tires
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 265/35 ZR19 - 335/30 ZR20
Driveline: Rear Wheel Drive
Exterior Dimensions & Weight
Length × Width × Height in: 181.6 × 75.6 × 45.9
Weight lb (kg): 3043 (1380)
Performance
Acceleration 0-62 mph s: 3.9
Top Speed mph (km/h): 205 (330)
Fuel Economy EPA city/highway mpg (l/100 km): 10/16 (n.a.)

Base Price: 2006 Porsche Carrera GT - Approx. $484,000 / 450,000 € (last update: 2/3/2006)

Mercedes-Benz SLR McLaren Breaks All Boundaries

The Mercedes-Benz SLR marks a new era for high-performance cars and at the same time, celebrates the formidable SLR race cars of the 1950s. The SLR McLaren combines unmatched power and performance with classic Mercedes-Benz design cues. Featuring a full carbon-fiber monocoque, crash structures and body panels, the SLR is powered by a 617-horsepower supercharged 5.5-liter V8 that rockets the new SLR from zero to 60 miles per hour in under 3.8 seconds, on its way to a top speed exceeding 200 mph.

A Mercedes-Benz and McLaren Collaboration

The SLR super sports GT car showcases the collective experience of Mercedes-Benz and its Formula 1 partner McLaren in the development and production of high-performance sports cars. This unique combination of expertise is evident not only in the pioneering developments and impressive performance of the SLR, but also in its high levels of safety and practicality.

One dramatic example of technology transfer from Formula 1 racing is the carbon fiber composite material of the new SLR body, which provides rigidity and strength never before achieved in road-going vehicles.

Equally impressive is its high level of occupant protection. The SLR is distinguished as the first series production vehicle to utilize a front crash structure made exclusively of carbon fiber. Specially designed to absorb crash energy at a constant rate, the carbon fiber crash structure absorbs four to five times more energy in a severe frontal collision than similar structures made of conventional steel.

AMG Supercharged V8 Power

Each supercharged, intercooled V8 engine is hand-built at manufacturing facility of AMG, the high-performance division of Mercedes-Benz, in Affalterbach, Germany. The engine is mounted behind the front wheels in a front mid-engine position. Dry-sump lubrication eliminates the need for an oil pan, allowing the engine to be mounted as low as possible in the frame for better aerodynamics and a lower center of gravity, which benefits handling. Dry-sump lubrication also prevents oil starvation that can occur during hard cornering.

Ceramic Composite Brake Discs

The high-performance SLR super sports car is one of very few production cars to make use of ceramic brake technology. The brake discs on the SLR are made of a new composite material – a fiber-reinforced ceramic with astounding stopping power, high heat resistance, outstanding structural strength and long service life. The discs weigh less than half that of conventional brakes, and are fitted with eight-piston calipers in front and four-piston calipers in the rear. The brake system alone can decelerate the SLR up to 1.3 g, producing the theoretical equivalent of 2,000 horsepower. In addition, an innovative airbrake in the form of an adaptive rear spoiler in the trunk lid increases downforce, improving stability and braking even further. Under hard braking above 59 mph, the air brake pops up at a 65-degree angle, helping to stop the car from 62 mph is just 114 feet.

Broadening the Mercedes-Benz Product Portfolio

Not only does the new SLR boast a rich heritage, but it is also the new flagship of the multi-dimensional Mercedes-Benz brand. With by far the broadest product portfolio of any luxury automaker, Mercedes-Benz offers an array of models ranging from mid-size coupes and large premium sedans to luxury roadsters and the SLR super sports car.

Specifications
Engine
Type: V8, Supercharged
Displacement cu in (cc): 332 (5439)
Power bhp (kW) at RPM: 617(460) / 6500
Torque lb-ft (Nm) at RPM: 575(778) / 3250-5000
Redline at RPM: 7000
Brakes & Tires
Brakes F/R: ABS, vented disc/vented disc
Tires F-R: 255/35 R19 - 295/30 ZR19
Driveline: Rear Wheel Drive
Exterior Dimensions & Weight
Length × Width × Height in: 183.3 × 75.1 × 49.6
Weight lb (kg): 3897 (1768)
Performance
Acceleration 0-62 mph s: 3.8
Top Speed mph (km/h): 207 (334)
Fuel Economy EPA city/highway mpg (l/100 km): 13/18 (14.

Base Price: 2006 Mercedes-Benz SLR McLaren - $452,750 / 435,000 € (last update: 2/16/2006)

[Edit by tojo909: molim vaš ne šaljite 3 posta zaredom več napišite sve u jedan te isti post ovako kako sam ja napravio!]