Introducing a Porsche 918 Spyder

Posted on 16. May, 2013 by in Porsche Canada

A singular multiple of opening and efficiency

Atlanta. The 918 Spyder embodies a hint of a Porsche idea: it combines descent engine racing record with glorious bland utility, and extent opening with smallest consumption. The assign faced by a growth group was to emanate a super sports automobile for a subsequent decade with a rarely fit and absolute hybrid drive. Developing a automobile from scratch, reasonably commencement with a piece of white paper, authorised a group to come adult with a no-compromise concept. The whole automobile was designed around a hybrid drive. The 918 Spyder therefore demonstrates a intensity of a hybrid expostulate to a grade never seen before: a together alleviation of both potency and opening though one being during a cost of a other. This is a thought that has done a Porsche 911 a many successful sports automobile in a universe for 50 years. In short, a 918 Spyder will act as a gene pool for a Porsche sports cars of a future.

The 918 Spyder reveals a tighten links to motorsport in a accumulation of ways. It has been designed, grown and constructed by Porsche engineers who build competition cars, in team-work with array prolongation specialists. A good understanding of discernment gained from a growth of Porsche competition cars for a 24 hours competition in Le Mans in 2014 is so integrated into a 918 Spyder – and clamp versa. The constructional judgment of a 918 Spyder with a rolling framework as a basement – a simple automobile that can be driven even though a physique – is competition automobile tradition during Porsche. The judgment of a V8 engine originates from a LMP2 RS Spyder competition car. The load-bearing structures, a monocoque and subframe, are done of CO fiber reinforced polymer. Porsche has many years of believe with this high-strength, lightweight construction element and has again achieved tip formula with a growth of a array prolongation 918 Spyder. Many tools of a super sports automobile come from manufacturers who have a proven record as suppliers for motorsport vehicles.

Hybrid expostulate brings advantages in terms of pushing dynamics

A pivotal summary of a 918 Spyder is that a hybrid expostulate from Porsche is a and for no-compromise pushing dynamics. Drivers can believe this interjection to a singular all-wheel expostulate judgment with a multiple of explosion engine and electric engine on a behind spindle and a second electric engine on a front axle. It is formed on believe gained by Porsche during engine races with a successful 911 GT3 R Hybrid. Due to a additional, away controllable front drive, new pushing strategies for intensely high, protected cornering speeds can be implemented, generally for bends. Furthermore, a modernized “boost” plan manages a appetite of a electric expostulate so cleverly that, for any scurry with extent acceleration, a full appetite of a 918 Spyder can be tapped into by simply dire a accelerator down fully. In short, a 918 Spyder allows even drivers though motorsport training to believe a intensity of modernized longitudinal and cross dynamics.

The Porsche 918 Spyder also has a intensity to mangle many records. The stream path time for a North Loop of a Nürburgring is 7:14 minutes. This time was achieved in a participation of general reporters during exam drives in Sep 2012 – some-more than a year before start of production. The 918 Spyder antecedent was therefore approximately 20 seconds quicker than a Porsche Carrera GT. More exam drives on a Nürburgring North Loop will follow. An even some-more critical cause is that a 918 Spyder surpasses prior models and competitors by distant in a potency as well. As a plug-in hybrid vehicle, it evenly combines a energetic opening of a racing appurtenance with low fuel consumption. To sum it up: extent pushing fun with minimal fuel consumption.

Carbon monocoque guarantees lightweight pattern with a low core of gravity

The 918 Spyder utilizes a best state-of-the-art technologies, taken true from engine racing, to grasp a tip performance. The whole load-bearing structure is done of CO fiber reinforced polymer (CFRP) for impassioned torsional rigidity. Additional pile-up elements during a front and behind catch and revoke a appetite of a collision. The car’s unladen weight of approximately 3,715 lbs. (3,616 lbs. with “Weissach” package), an glorious low weight for a hybrid automobile of this opening class, is mostly attributable to this concept.

The drivetrain components and all components weighing over 110 lbs. are located as low and as mainly as probable within a vehicle. This formula in a rather behind finish inequitable spindle bucket placement of 57 percent on a behind spindle and 43 percent on a front axle, total with an intensely low core of sobriety during approximately a tallness of a spin hubs, that is ideal for pushing dynamics. The executive and low position of a traction battery directly behind a motorist not usually supports efforts to combine masses and revoke a core of gravity; it also provides a best feverishness conditions for best battery appetite capacity.

Chassis with competition automobile genes and rear-axle steering

The multi-link framework of a Porsche 918 Spyder is desirous by motorsport design, complemented by additional systems such as a PASM adaptive shock-absorber complement and rear-axle steering. Basically, this incorporates an electro-mechanical composition complement during any behind wheel. The composition is speed-sensitive and executes steering angles of adult to 3 degrees in any direction. The behind spindle can therefore be directed in a same instruction as a front wheels or in antithesis to them. At low speeds, a complement steers a behind wheels in a instruction conflicting to that of a front wheels. This creates cornering even some-more direct, faster and some-more precise, and it reduces a branch circle. At aloft speeds, a complement steers a behind wheels in a same instruction as a front wheels. This significantly improves a fortitude of a behind finish when changing lanes quickly. The outcome is really secure and quick handling.

Porsche Active Aerodynamic (PAA) for opposite pushing modes

Porsche Active Aerodynamic (PAA), a complement of tractable aerodynamic elements, ensures singular and non-static aerodynamics; a blueprint is automatically sundry over 3 modes trimming from optimal potency to extent downforce and is tuned to a handling modes of a hybrid expostulate system. In “Race” mode, a retractable behind wing is set to a high angle to beget high downforce during a behind axle. The spoiler positioned between a dual wing supports nearby a trailing corner of a airflow also extends. In addition, dual tractable atmosphere flaps are non-stop in a underfloor in front of a front axle, and they approach a apportionment of a atmosphere into a diffuser channels of a underbody structure. This also produces a “ground effect” during a front axle.

In “Sport” mode, a aerodynamic control complement reduces a conflict angle of a behind wing somewhat, that enables a aloft tip speed. The spoiler stays extended. The aerodynamic flaps in a underfloor area close, that also reduces aerodynamic drag and increases receptive automobile speeds. In “E” mode, a control is configured wholly for low aerodynamic drag; a behind wing and spoiler are retracted and a underfloor flaps are closed.

Adjustable atmosphere inlets underneath a categorical headlights spin off a adaptive aerodynamic system. When a automobile is still and in “Race” and “Sport” mode, they are non-stop for extent cooling atmosphere intake. In “E-Power” and “Hybrid” modes, they tighten immediately after a automobile is driven off in sequence to keep aerodynamic drag to a minimum. They are not non-stop until a automobile reaches speeds of approximately 81 mph or when cooling mandate are higher.

From gentle to race-ready: 5 modes for 3 motors

The core of a 918 Spyder judgment is a placement of propulsive appetite among a 3 appetite units; their team-work is tranquil by an intelligent government system. To best feat these opposite approaches, a Porsche developers tangible 5 handling modes that can be activated around a “map switch” on a steering wheel, usually like in motorsport cars. On a basement of this pre-selection, a 918 Spyder relates a many suitable handling and boost plan though motorist intervention, so permitting a motorist to combine wholly on a road.

Quiet and elegant: “E-Power”

When a automobile is started up, a “E-Power” mode is a default handling mode as prolonged as a battery is amply charged. In ideal conditions, a 918 Spyder can cover approximately 18 miles on quite electric power. Even in pristine electric mode, a 918 Spyder accelerates from 0 to 62 mph in 7 seconds and can strech speeds of adult to 93 mph. In this mode, a explosion engine is usually used when needed. If a battery’s assign state drops next a set smallest value, a automobile automatically switches to hybrid mode.

Efficient and comfortable: “Hybrid”

In “Hybrid” mode, a electric motors and explosion engine work alternately with a concentration on extent potency and smallest fuel consumption. The use of particular expostulate components is mutated as a duty of a stream pushing conditions and a preferred performance. The Hybrid mode is typically used for a fuel economy-oriented pushing style.

Sporty and dynamic: “Sport Hybrid”

In some-more energetic situations, a 918 Spyder selects a “Sport Hybrid” mode for a appetite sources. The explosion engine now operates invariably and provides a categorical propulsive force. In addition, a electric motors yield support in a form of electric boosting or when a handling indicate of a explosion engine can be optimized for larger efficiency. The concentration of this mode is on opening and a sporty pushing character during tip speed.

For quick laps: “Race Hybrid”

“Race Hybrid” is a mode for extent opening and an generally sporty pushing style. The explosion engine is customarily used underneath high load, and charges a battery when a motorist is not utilizing a extent output. Again, a electric motors yield additional support in a form of boosting. Furthermore, a gear-shifting procedure of a PDK is set adult for even sportier driving. The electric motors are used adult to a extent appetite outlay extent to broach a best probable opening for a competition track. In this mode, a battery assign state is not kept constant, rather it fluctuates over a whole assign range. In contrariety to Sport Hybrid mode, a electric motors run during their extent appetite outlay extent for a brief time for softened boosting. This increasing outlay is homogeneous by a explosion engine charging a battery some-more intensively. Electric appetite is so accessible even with several really quick laps.

For stick position: “Hot Lap”

The “Hot Lap” symbol in a core of a map switch releases a final pot of a 918 Spyder and can usually be activated in “Race Hybrid” mode. Similar to a gift mode, this pushes a traction battery to a extent appetite outlay boundary for a few quick laps. This mode uses all of a accessible appetite in a battery.

Main propulsion: a competition car’s 8 cylinder engine

The categorical source of thrust is a 4.6-liter, 8 cylinder engine that produces 608 hp of power. The engine is subsequent directly from a appetite section of a successful RS Spyder, that explains given it can broach engine speeds of adult to 9,150 rpm. Like a competition engine of a RS Spyder, a 918 Spyder appetite section facilities dry-sump lubrication with a apart oil tank and oil extraction. To save weight, components such as a oil tank, a atmosphere filter box integrated into a subframe and a atmosphere initiation are done of CO fiber reinforced polymer. Further endless lightweight pattern measures have resulted in such facilities as titanium joining rods, thin-wall, low-pressure casting on a holder box and a cylinder heads, a high-strength, lightweight steel crankshaft with 180 degrees crankpin homogeneous and a intensely thin-walled amalgamate steel/nickel empty system. Striking facilities of a V8 are that it no longer supports any auxiliary systems, there are no outmost belt drives and a engine is therefore quite compact. Weight and opening optimizations grasp a appetite outlay per liter of approx. 133 hp/l – a tip appetite outlay per liter of a Porsche naturally aspirated engine – that is significantly aloft than that of a Carrera GT (106 hp/l) and superb for a naturally aspirated engine.

Unique competition automobile pattern heritage: tip pipes

It isn’t usually this engine’s opening though also a sound it creates that stokes a emotionality of a 918 Spyder. This is attributable initial and inaugural to a supposed tip pipes: a tailpipes cancel in a tip partial of a behind finish immediately above a engine. No other prolongation automobile uses this solution. The tip pipes’ biggest advantage is optimal feverishness removal, given a prohibited empty gases are expelled around a shortest probable route, and empty gas behind vigour stays low. This pattern requires a new thermodynamic atmosphere channeling concept. With a HSI engine, a prohibited side is located inside a cylinder V, a intake channels are on a outside. There is another advantage as well: a engine cell stays cooler. This is generally profitable to a lithium-ion traction battery, as it provides best opening during temperatures between 68 and 104 degrees Fahrenheit. Consequently, reduction appetite needs to be used for active cooling of a battery.

In together in a drivetrain: hybrid procedure

The V8 engine is joined to a hybrid module, given a 918 Spyder is designed as a together hybrid like a stream hybrid models from Porsche. Essentially, a hybrid procedure comprises a 115 kW electric engine and a decoupler that serves as a tie with a explosion engine. Because of a together hybrid configuration, a 918 Spyder can be powered during a behind spindle possibly away by a explosion engine or electric engine or around both drives jointly. As is standard for a Porsche super sports car, a appetite container in a 918 Spyder has been placed in front of a behind axle, and does not have any approach involuntary tie to a front axle.

Upside-down for a low core of gravity: Doppelkupplung

A seven-speed Doppelkupplung (PDK) delivery handles appetite delivery to a behind axle. The high-performance delivery is a sportiest chronicle of a successful PDK; it has undergone a finish redesign for a 918 Spyder and has been serve optimized for high performance. To safeguard a low ascent position for a low core of sobriety of a whole vehicle, a rigging section was incited “upside down” by rotating it 180 degrees about a longitudinal axis, in contrariety to other Porsche series. If no appetite is compulsory on a behind axle, a dual motors can be decoupled by opening a decoupler and PDK clutches. This is a movement behind a Porsche hybrid drive’s standard “coasting” with a explosion engine switched off.

Independent all-wheel drive: front spindle with electric engine

On a front axle, there is another eccentric electric engine with an outlay of approximately 95 kW. The front electric expostulate section drives a wheels during a bound ratio. A decoupler decouples a electric engine during high speeds to forestall a engine from over-revving. Drive torque is exclusively tranquil for any axle. This creates for really manageable all-wheel expostulate functionality that offers good intensity in terms of traction and pushing dynamics.

Lithium-ion battery with plug-in charging complement

The electric appetite for a electric motors is stored by a liquid-cooled lithium-ion battery comprising 312 particular cells with an appetite calm of about 7 kilowatt hours. The battery of a 918 Spyder has a performance-oriented pattern in terms of both appetite charging and output, so that it can perform a opening mandate of a electric motor. The appetite ability and a handling life of a lithium-ion traction battery count on several factors, including thermal conditions. That is given a battery of a 918 Spyder is liquid-cooled by a dedicated cooling circuit. The tellurian guaranty duration for a traction battery is 7 years.

To supply it with energy, Porsche grown a new complement with a plug-in automobile assign pier and softened recuperation potential. This automobile assign pier in a B-pillar on a front newcomer side lets users bond a storage battery to an electrical supply during home to assign it. The assign pier is standardised for a nation of purchase. The on-board horse is located tighten to a traction battery. It translates a swapping stream of a domicile electric supply into approach stream with a extent assign outlay of 3.6 kW. Using a granted Porsche Universal Charger (AC), a traction battery can be charged with a required wall retard in 7 hours from a 10 ampere rated, fused appetite hollow a US 110 Volt domicile electrical supply, for example. Furthermore, a Porsche Universal Charger (AC) can be commissioned during home in a garage regulating a Charging Dock. It enables fast and accessible charging within approximately dual hours, irrespective of informal conditions. The Porsche Speed Charging Station (DC) is accessible as an discretionary extra. It can wholly assign a high-voltage battery of a 918 Spyder in usually 25 minutes.

Pioneering control concept: transparent classification of a cockpit

The motorist is a concentration of all record in a destiny Porsche super sports car. A cockpit was total for a motorist that is standard of a code and pioneering in a clarity. It is partitioned into dual simple areas. First, there are a controls that are critical for driving, that are grouped around a multifunction steering wheel, total with motorist information displayed on 3 vast spin instruments. Second, there is a infotainment retard that is housed in a carried core console, that was introduced in a Carrera GT. Control functions, e.g. for a involuntary meridian control system, wing adjustment, lighting and Porsche Communication Management (PCM), including a Burmester high-end sound system, can be intuitively operated by multitouch with a new form of black row technology.

For even aloft performance: a Weissach package

For really performance-oriented business of a 918 Spyder, Porsche offers a “Weissach” package. These mutated super sports cars can be famous during initial peek by special colors and designs that are formed on mythological Porsche competition cars. The roof, behind wings, rear-view mirrors and frames of a windscreen are done of manifest carbon. Parts of a interior are upholstered with Alcantara instead of leather, and manifest CO replaces most of a aluminum. Sound insulation has been reduced. The importance on opening is not usually visual: really lightweight magnesium wheels revoke unsprung masses; sum weight was reduced by about 77 lbs. The advantages are gifted in serve softened energetic performance. Other references from motorsport are six-point seatbelts for motorist and front passenger, discretionary film-coating instead of physique paint, as good as additional aerodynamic physique tools in manifest carbon.

Porsche redefined: a new super sports automobile for a new decade

The 918 Spyder continues a prolonged tradition of super sports cars during Porsche; as record platforms, as a pushing force behind both automobile tension and automobile expansion and as a ultimate sports cars of their decades: a Carrera GTS, a initial Porsche Turbo, a 959, a 911 GT1, a Carrera GT. More than any of a predecessors, a 918 Spyder is providing pivotal procedure for building technologies for destiny automobile concepts. It offers a finish package of components that simulate Porsche DNA – some-more strong than ever before.

Technical Specifications – Porsche 918 Spyder

Body:
Two-seat Spyder; CO fiber reinforced  plastics (CFRP) monocoque interlocked with CFRP section carrier; two-piece Targa roof; bound roll-over insurance system.
Drivetrain:

Parallel full hybrid; 4.6-liter V8 mid-engine with dry-sump lubrication; hybrid procedure with electric engine and decoupler; electric engine with decoupler and rigging section on front axle; automobile start/stop function; electrical complement recuperation; 4 cooling circuits for motors, delivery and battery; thermal management.

Engine power:

608 hp during 8,600/min (V8 engine)
154 hp (hybrid procedure on behind axle)
127 hp (electric engine on front axle)
887 hp (combined)

Max. torque:

390 lb.-ft. during 6,600/min (V8 engine)
940 lb.-ft. (equivalent torque distributed on a crankshaft, finish complement in 7th gear)
787 lb.-ft. (complete system, 3rd gear)
590 lb.-ft. (800/min – 5,000/min)

Maximum Revs:
9,150 rpm
Power outlay per l:
133 hp/l (V8 engine)
Power transmission:

Combustion engine with hybrid procedure and delivery bolted together to form a singular expostulate unit; seven-speed Doppelkupplungsgetriebe (PDK); rear-wheel drive; front electric engine with gearbox for pushing a front wheels (decoupled from 146 mph); 5 pre-selectable handling modes for best coordination of all expostulate units.

Gear ratios    PDK
1st rigging         3.91
2nd rigging        2.29
3rd rigging         1.58
4th rigging         1.19
5th rigging         0.97
6th rigging         0.83
7th rigging         0.67
R rigging            3.55
Final expostulate ratio        3.09
Clutch hole       8.7 in. / 6.5 in

Chassis and Suspension:

Double-wishbone front axle; discretionary electro-pneumatic lift complement on front axle; electro-mechanical appetite steering; multilink behind spindle with adaptive electro-mechanical complement for particular behind spin steering; electronically tranquil twin-tube gas-pressure dampers in a front and behind with Porsche Active Suspension Management (PASM).

Brake system:
High-performance hybrid stop complement with adaptive recuperation; internally ventilated and seperated front ceramic stop discs (PCCB), 16 in. in hole and 1.4 in. thick; behind discs 15.4 in hole and 1.3 in. thick.
Wheels and tires:

918 Spyder wheels
(Weissach package: 918 Spyder magnesium wheels)
front    9.5 J x 20       with     265/35 ZR 20
rear     12.5 J x 21     with     325/30 ZR 21

Weights:

Curb weight 3,715 lbs.
3,616 lbs. (Weissach package)

Dimensions:

Length 182.8 in.
Width  76.4 in.
Height  45.9 in.
Wheelbase  107.5 in.

Track width

front    65.5 in.
behind     63.5 in.

Luggage cell capacity, VDA   ~ 110 l
Fuel tank ability 18.5 gal

Energy supply:
Lithium-ion battery with 6.8 kWh ability (BOL nominal), 220 kW extent appetite and mains-compatible plug-in charger.
Performance:

Top speed 211 mph
quite electric    93 mph

Acceleration:
0-62 mph   2.8 s
0-60 mph   less than 2.8 s
0-62 mph (in electric mode)  7.0 s

 0-124 mph (0-200 km/h) 7.9 s

0-186 mph (0-300 km/h) 23.0 s

Range:
Purely electric    approx. 18 mi.
Warranty:
Vehicle (Battery)   4 years (7 years)

Charging times:

AC charging on a domicile hollow (110 V, 10 A):
reduction than 7 hours
AC charging on an industrial hollow (240 V, 30 A):
reduction than 2 hours
DC charging on an industrial hollow (400 V, 32 A):
reduction than 0.5 hours.

 

About Porsche Cars North America

Porsche Cars North America, Inc. (PCNA), formed in Atlanta, Ga. is a disdainful U.S. importer of Porsche sports cars, a Cayenne SUV and Panamera sports sedan. Established in 1984, it is a wholly-owned auxiliary of Porsche AG, that is headquartered in Stuttgart, Germany, and employs approximately 220 people who yield parts, service, selling and training for 190 dealers. They, in turn, work to yield Porsche business with a best-in-class believe that is in gripping with a brand’s 63-year story and care in a enrichment of automobile performance, reserve and efficiency.

At a core of this success is Porsche’s unapproachable racing birthright that boasts some 30,000 motorsport wins to date.

For Porsche apps: http://www.porsche.com/usa/entertainment/apps/

Note: Photos and video footage are accessible to accredited reporters on a Porsche Press Database during http://press.porsche.com/

 

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