Porsche shows 918 Spyder in production form

16 Апр 2014 | Author: | Комментарии к записи Porsche shows 918 Spyder in production form отключены
Porsche 918 Electric Cars

Porsche shows 918 Spyder in form

Porsche isn’t to let the LaFerrari steal the hybrid it just unveiled the finished of the 918 Spyder. which is expected to as a 2015 model. The look shock anyone keeping up their spy videos. although formal unveiling helps up the specifications that customers get if they’ve dutifully shelled out The performance is even more than it was in 2011, we know much: there’s 887HP of V8 and plug-in electric power, a time of 2.8 seconds and up to 18 miles of driving.

About the only (price notwithstanding) is the lack of beyond a weight reduction We doubt many Spyder will complain when can even outrace a 911 GT3.

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INTRODUCING THE 918 SPYDER

Atlanta.The 918 Spyder the essence of the Porsche idea: it pedigree motor racing with excellent everyday and maximum performance with consumption. The task faced by the team was to create the super car for the next decade with a efficient and powerful hybrid Developing the car from scratch, beginning with a sheet of paper, allowed the team to up with a no-compromise concept. The car was designed around the hybrid The 918 Spyder therefore demonstrates the of the hybrid drive to a degree seen before: the parallel of both efficiency and performance one being at the cost of the other.

is the idea that has made the 911 the most successful sports car in the for 50 years. In short, the 918 Spyder act as the gene pool for the Porsche cars of the future.

The 918 Spyder its close links to motorsport in a of ways. It has been designed, and produced by Porsche engineers who race cars, in cooperation series production specialists. A deal of insight gained the development of Porsche race for the 24 hours race in Le Mans in is thus integrated into the 918 and vice versa.

The structural of the 918 Spyder with a rolling as its basis a basic vehicle can be driven even without a is race car tradition at Porsche. The of the V8 engine originates from the RS Spyder race car. The structures, the monocoque and subframe, are of carbon fiber reinforced Porsche has many years of with this high-strength, construction material and has again top results with the development of the production 918 Spyder.

Many of the super sports car come manufacturers who have a proven as suppliers for motorsport vehicles.

drive brings advantages in of driving dynamics

A key message of the 918 is that the hybrid drive Porsche is a plus for no-compromise dynamics. Drivers can experience thanks to the unique all-wheel concept with a combination of engine and electric motor on the axle and the second electric on the front axle. It is based on gained by Porsche during races with the successful 911 GT3 R

Due to the additional, individually controllable drive, new driving strategies for high, safe cornering can be implemented, especially for bends. the advanced boost strategy the energy of the electric drive so that, for every sprint maximum acceleration, the full of the 918 Spyder can be tapped into by pressing the accelerator down In short, the 918 Spyder allows drivers without motorsport to experience the potential of advanced and transverse dynamics.

The Porsche 918 also has the potential to break records. The current lap time for the Loop of the Nürburgring is 7:14 This time was achieved in the of international journalists during drives in September 2012 than a year before of production. The 918 Spyder prototype was approximately 20 seconds quicker the Porsche Carrera GT. More drives on the Nürburgring North will follow.

An even important factor is that the 918 surpasses previous models and by far in its efficiency as well. As a plug-in vehicle, it systematically combines the performance of a racing machine low fuel consumption. To sum it up: maximum fun with minimal fuel

Carbon monocoque guarantees design with a low center of

The 918 Spyder utilizes the best technologies, taken straight motor racing, to achieve its top The entire load-bearing structure is of carbon fiber reinforced (CFRP) for extreme torsional Additional crash elements at the and rear absorb and reduce the of a collision.

The car’s unladen of approximately 3,715 lbs. lbs. with Weissach an excellent low weight for a hybrid of this performance class, is attributable to this concept.

The components and all components weighing 110 lbs. are located as low and as centrally as within the vehicle. This in a slightly rear end biased load distribution of 57 percent on the axle and 43 percent on the front combined with an extremely low of gravity at approximately the height of the hubs, which is ideal for dynamics. The central and low position of the battery directly behind the not only supports efforts to masses and lower the center of it also provides the best conditions for optimum battery capacity.

Chassis with car genes and rear-axle steering

The chassis of the Porsche 918 Spyder is by motorsport design, complemented by systems such as the PASM shock-absorber system and rear-axle Basically, this incorporates an adjustment system at each wheel. The adjustment is speed-sensitive and steering angles of up to three in each direction. The rear can therefore be steered in the same as the front wheels or in opposition to At low speeds, the system steers the wheels in a direction opposite to of the front wheels.

This makes cornering more direct, faster and precise, and it reduces the turning At higher speeds, the system the rear wheels in the same as the front wheels. This improves the stability of the rear end changing lanes quickly.

The is very secure and stable

Porsche Active Aerodynamic for different driving modes

Active Aerodynamic (PAA), a of adjustable aerodynamic elements, unique and variable aerodynamics; its is automatically varied over modes ranging from efficiency to maximum downforce and is to the operating modes of the hybrid system. In Race mode, the rear wing is set to a steep to generate high downforce at the axle. The spoiler positioned the two wing supports near the edge of the airflow also In addition, two adjustable air flaps are in the underfloor in front of the front and they direct a portion of the air the diffuser channels of the underbody

This also produces a effect at the front axle.

In mode, the aerodynamic control reduces the attack angle of the wing somewhat, which a higher top speed. The spoiler extended. The aerodynamic flaps in the area close, which reduces aerodynamic drag and attainable vehicle speeds.

In E the control is configured entirely for low drag; the rear wing and are retracted and the underfloor flaps are

Adjustable air inlets under the headlights round off the adaptive system. When the vehicle is and in Race and Sport mode, are opened for maximum cooling air In E-Power and Hybrid modes, close immediately after the car is off in order to keep aerodynamic to a minimum.

They are not opened the car reaches speeds of approximately 81 mph or cooling requirements are higher.

comfortable to race-ready: five for three motors

The core of the 918 concept is its distribution of propulsive among the three power their cooperation is controlled by an management system. To best these different approaches, the developers defined five modes that can be activated via a map on the steering wheel, just in motorsport cars. On the basis of pre-selection, the 918 Spyder applies the suitable operating and boost without driver intervention, allowing the driver to concentrate on the road.

Quiet and elegant:

When the vehicle is started up, the mode is the default operating as long as the battery is sufficiently In ideal conditions, the 918 Spyder can approximately 18 miles on purely power. Even in pure mode, the 918 Spyder accelerates 0 to 62 mph in seven seconds and can reach of up to 93 mph.

In this mode, the combustion is only used when If the battery’s charge state below a set minimum value, the automatically switches to hybrid

Efficient and comfortable: Hybrid

In mode, the electric motors and engine work alternately a focus on maximum efficiency and fuel consumption. The use of individual components is modified as a function of the driving situation and the desired The Hybrid mode is typically for a fuel economy-oriented driving

Sporty and dynamic: Sport

In more dynamic situations, the 918 selects the Sport Hybrid for its power sources. The combustion now operates continuously and provides the propulsive force. In addition, the motors provide support in the of electric boosting or when the point of the combustion engine can be for greater efficiency.


The focus of mode is on performance and a sporty style at top speed.

For fast Race Hybrid

Race is the mode for maximum performance and an sporty driving style. The engine is chiefly used high load, and charges the when the driver is not utilizing its output. Again, the electric provide additional support in the of boosting. Furthermore, the gear-shifting of the PDK is set up for even sportier driving. The motors are used up to the maximum output limit to deliver the possible performance for the race

In this mode, the battery state is not kept constant, it fluctuates over the entire range. In contrast to Sport mode, the electric motors run at maximum power output for a short time for better This increased output is by the combustion engine charging the more intensively.

Electric is thus available even several very fast

For pole position: Hot Lap

The Hot Lap button in the of the map switch releases the final of the 918 Spyder and can only be activated in Hybrid mode. Similar to a mode, this pushes the battery to its maximum power limits for a few fast laps. mode uses all of the available in the battery.

Main propulsion: the car’s eight cylinder

The main source of propulsion is the eight cylinder engine produces 608 hp of power. The engine is directly from the power of the successful RS Spyder, which why it can deliver engine speeds of up to rpm. Like the race of the RS Spyder, the 918 Spyder power features dry-sump lubrication a separate oil tank and oil extraction. To weight, components such as the oil the air filter box integrated into the and the air induction are made of carbon reinforced polymer. Further lightweight design measures resulted in such features as connecting rods, thin-wall, casting on the crank case and the heads, a high-strength, lightweight crankshaft with 180 degrees offset and the extremely thin-walled steel/nickel exhaust system.

Striking features of the V8 are that it no supports any auxiliary systems, are no external belt drives and the is therefore particularly compact. and performance optimizations achieve a output per liter of approx. 133 the highest power output per of a Porsche naturally aspirated which is significantly higher that of the Carrera GT (106 and outstanding for a naturally aspirated

Unique race car design top pipes

It isn’t just engine’s performance but also the it makes that stokes the of the 918 Spyder. This is attributable and foremost to the so-called top pipes: the terminate in the upper part of the end immediately above the engine. No production vehicle uses solution. The top pipes’ greatest is optimal heat removal, the hot exhaust gases are released via the possible route, and exhaust gas pressure remains low.

design requires a new thermodynamic air concept. With the HSI engine, the hot is located inside the cylinder V, the channels are on the outside. There is benefit as well: the engine remains cooler.

This is beneficial to the lithium-ion traction as it provides optimum performance at between 68 and 104 degrees Fahrenheit. less energy needs to be for active cooling of the battery.

In in the drivetrain: hybrid module

The V8 is coupled to the hybrid module, the 918 Spyder is designed as a parallel like the current hybrid from Porsche. Essentially, the module comprises a 115 kW electric and a decoupler that serves as the with the combustion engine. of its parallel hybrid configuration, the 918 can be powered at the rear axle individually by the combustion engine or motor or via both drives

As is typical for a Porsche super car, the power pack in the 918 has been placed in front of the axle, and does not have any mechanical connection to the front

Upside-down for a low center of gravity:

A seven-speed Doppelkupplung (PDK) handles power transmission to the axle. The high-performance transmission is the version of the successful PDK; it has a complete redesign for the 918 Spyder and has further optimized for high To ensure a low mounting position for a low of gravity of the entire vehicle, the unit was turned upside by rotating it 180 degrees about its axis, in contrast to other series.

If no power is required on the axle, the two motors can be decoupled by the decoupler and PDK clutches. This is the behind the Porsche hybrid typical coasting with the engine switched off.

Porsche 918 Electric Cars

Independent all-wheel drive: axle with electric

On the front axle, there is independent electric motor an output of approximately 95 kW. The front drive unit drives the at a fixed ratio. A decoupler the electric motor at high to prevent the motor from Drive torque is independently for each axle.

This for very responsive all-wheel functionality that offers potential in terms of traction and dynamics.

Lithium-ion battery plug-in charging system

The energy for the electric motors is by a liquid-cooled lithium-ion battery 312 individual cells with an content of about seven hours. The battery of the 918 Spyder has a design in terms of both charging and output, so that it can the performance requirements of the electric The power capacity and the operating of the lithium-ion traction battery on several factors, including conditions. That is why the battery of the 918 is liquid-cooled by a dedicated cooling

The global warranty period for the battery is seven years.

To it with energy, Porsche a new system with a plug-in charge port and improved potential. This vehicle port in the B-pillar on the front side lets users the storage battery to an electrical at home to charge it. The charge is standardized for the country of purchase. The charger is located close to the battery.

It converts the alternating of the household electric supply direct current with a charge output of 3.6 kW. Using the Porsche Universal Charger the traction battery can be charged a conventional wall plug in hours from a ten ampere fused power socket a US 110 household electrical supply, for Furthermore, the Porsche Universal (AC) can be installed at home in the using the Charging Dock. It rapid and convenient charging approximately two hours, irrespective of conditions.

The Porsche Speed Station (DC) is available as an extra. It can fully charge the battery of the 918 Spyder in just 25

Pioneering control concept: organization of the cockpit

The driver is the of all technology in the future Porsche sports car. A cockpit was for the driver that is typical of the and pioneering in its clarity. It is partitioned two basic areas.

First, are the controls that are important for which are grouped around the steering wheel, combined driver information displayed on large round instruments. there is the infotainment block is housed in the lifted center which was introduced in the Carrera GT. functions, e.g. for the automatic control system, wing lighting and Porsche Communication (PCM), including a Burmester sound system, can be intuitively by multitouch with a new type of panel technology.

For even performance: the Weissach package

For very performance-oriented customers of the 918 Porsche offers the Weissach These modified super cars can be recognized at first by special colors and designs are based on legendary Porsche cars. The roof, rear rear-view mirrors and frames of the are made of visible carbon. of the interior are upholstered with instead of leather, and visible replaces much of the aluminum.

insulation has been reduced. The on performance is not just visual: lightweight magnesium wheels unsprung masses; gross was reduced by about 77 lbs. The are experienced in further improved performance.

Other references motorsport are six-point seatbelts for and front passenger, optional instead of body paint, as as additional aerodynamic body in visible carbon.

Porsche a new super sports car for a new decade

The 918 continues a long tradition of sports cars at Porsche; as platforms, as the driving force both car emotion and car evolution and as the sports cars of their the Carrera GTS, the first Turbo, the 959, the 911 GT1, the GT. More than any of its predecessors, the 918 is providing key impetus for developing for future vehicle concepts. It a complete package of components reflect Porsche DNA more than ever before.

Specifications Porsche 918 Spyder

Two-seat Spyder; carbon reinforced plastics (CFRP) interlocked with CFRP carrier; two-piece Targa fixed roll-over protection

Drivetrain: Parallel full 4.6-liter V8 mid-engine with lubrication; hybrid module electric motor and decoupler; motor with decoupler and unit on front axle; start/stop function; electrical recuperation; four cooling for motors, transmission and battery; management.

Engine power: 608 hp at (V8 engine)

154 hp (hybrid module on axle)

127 hp (electric motor on axle)

887 hp (combined)

Max. 390 lb.-ft. at 6,600/min (V8 engine)

940 (equivalent torque calculated on the complete system in 7th gear)

787 (complete system, 3rd gear)

590 (800/min 5,000/min)

Maximum 9,150 rpm

Power transmission: engine with hybrid and transmission bolted together to a single drive unit; Doppelkupplungsgetriebe (PDK); rear-wheel front electric motor gearbox for driving the front (decoupled from 146 mph); pre-selectable operating modes for coordination of all drive units.

Porsche 918 Electric Cars
Porsche 918 Electric Cars
Porsche 918 Electric Cars
Porsche 918 Electric Cars
Porsche 918 Electric Cars

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