| 27
September 2006
THE
GENES OF A WINNER: THE NEW AUDI R8
INGOLSTADT, Germany - Audi has incorporated
the name and the genes of the five-time Le
Mans winner, the Audi R8, into a spectacular
sports car. Three years after the unveiling
of the Audi Le Mans quattro concept car, the
production version will be making its debut
at the Paris Motor Show in the guise of the
new Audi R8 mid-engined sports model. It is
a fascinating driving machine and the sporty
pinnacle of the Audi brand. The mid-mounted
420 hp V8 FSI engine, quattro permanent
all-wheel drive
and Audi Space Frame aluminum body form the
basis for truly outstanding driving
dynamics.
As the first Audi mid-engined sports car,
the R8 combines Audi's experience gained
from numerous motorsport triumphs with
groundbreaking design and the acknowledged
technological expertise of the brand. This
expertise has led to the slogan 'Vorsprung
durch Technik' becoming a byword for
leading-edge technology both on the race
track and on the road.
Audi has recorded countless motorsport
victories on race tracks all over the world.
Following the rally successes of the
Ingolstadt brand in the 1980s, and its
triumphs on the touring car circuit, the
world of long-distance motor racing was
without a doubt the biggest challenge yet
faced by Audis motorsport engineers.
And they mastered this challenge in style to
the Audi R8 won the prestigious Le Mans 24
Hours five times from 2000 to 2002 and in
2004 and 2005 and on two occasions even
took the first three places.
Le Mans is without doubt the toughest
challenge to the Audi Sport Team's engineers
because it calls for a level of engineering
going far beyond the need merely to keep all
the systems focussed on a short, sharp
sprint. Alongside the essential virtues of
top performance and optimised driving
dynamics, the key requirements in
long-distance racing are endurance and
reliability, allied with optimum ergonomic
design.
These are genes which are eminently
transferable to a road-going sports car too,
and which, allied to its exciting design,
make the Audi R8 truly unmistakeable.
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the Audi R8.
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The exterior
Even at first glance, the caliber of the car
is plain to see. The Audi R8 sits wide and
low on the road, the strongly accentuated
rear end appearing to flex its muscles like
a sprinter ready for the off.
The characteristic proportions of the
vehicle are dictated by the location of the
engine behind the cockpit. This layout is a
typical feature of race cars. One of the
most striking examples of this design and
as such one of the legitimate antecedents of
the Audi R8 was, and still is, the Auto
Union Type C Grand Prix car. The central
position of the engine is above all a boon
to driving dynamics, as it allows for a
weight distribution, as on the R8, of 44
percent to the front and 56 percent to the
rear.
The car's body is highly compact in
appearance. The front end and the gently
curved roof arc are drawn in a sweeping
line; a line which immediately marks the
two-seater out as an Audi.
The side view also reveals familiar
contours. The dynamic line above the wheel
arches and the shoulder line interlink the
front end, side and rear, imbue the doors
and the transition to the side air vent with
a strong presence, and even more
emphatically highlight the typical Audi
rounded wheel housings accommodating the big
wheels.
The cabin of the Audi R8 is pushed far
forward a typical feature of a mid-engined
sports car, and as such a visual cue linking
it to the race car of the same name. Behind
the cabin, positioned in front of the rear
axle, is the V8 FSI engine, a sculptured
piece of engineering visible both through
the large, shield-shaped rear window and
from inside the car.
74.8 inches wide but just 174.4 inches long
and 49.2 inches high: these are the
proportions of a true sports car. The
104.3-inch wheelbase offers room for the
astonishingly spacious cabin and the
longitudinally mounted engine behind it.
Behind the doors, a large-surface 'sideblade'
air deflector
sweeps between the wheel arch and the roof
section, delivering air for the V8 to
breathe as well as for cooling. The paint
finish of the sideblades is coordinated with
the body color.
The front end is characterised by the
trapezoidal styling of the Audi single-frame
grille, flanked on the right and left by
additional large-dimensioned air intakes.
For the first time, the four-ring badge is
positioned on the hood, above the grille.
The flat strips of the innovative LED
headlights,
with their clear-glass covers, join flush to
the tops of the air intakes.
The R8 is the first series-production car to
offer the option of ordering all the
headlight functions dipped beam, main
beam, daytime running lights and indicators
as LEDs. LED stands for 'light-emitting
diodes', and represents a technology which
offers substantial advantages over
conventional bulbs based on a much longer
life.
Because they take up less space than
conventional lights, LEDs provide the
designers with greater freedom to be
creative. The design of the strikingly
three-dimensional main headlights, using LED
technology, is particularly eye-catching.
Bionics, in other words drawing design
inspiration from nature, has been deployed
on the R8's
headlights. The light unit has a
design reminiscent of an open pine cone.
Reflector shells arranged concentrically one
behind the other, in conjunction with a
powerful LED projection system, concentrate
the light from one multi-chip LED, producing
a high-luminosity, even form of driving
light.
The internal reflectors of the main beam
headlight
are styled in a shape inspired by the
architecture of the Sydney Opera House. And
in contrast to them, the daytime running
lights delimit the underside of the
headlight as narrow strips of light
delivering distinctive signals and providing
an innovative visual touch. It will be
possible to order LED
headlights
as options from the end of 2007 onwards.
The interplay of concave and convex lines
contours the side-on view of the rear end.
Underneath the clearly defined separation
edge there is a flat vertical surface framed
at its sides by the rear lights also in
LED technology. The third brake light strip
runs across virtually the full width of the
roof, forming the termination of the
transparent engine hood.
The latter feature is yet another visual
highlight. The observer looks right onto the
V8, the very heart of this sports car.
Indirect engine compartment lighting by
white LEDs, enabling the engine to be seen
even in the dark, is available as an option.
Two large-format diffuser openings in the
rear bumper illustrate how intensively the
styling of the Audi R8 is dictated by
aerodynamics. The two pairs of circular twin
exhaust tailpipes each sit at the right and
left above the diffuser openings.
An automatically extending rear spoiler is
deployed to assist the R8 in using the wind.
It provides additional downforce to boost
the suction effect produced by the
aerodynamic styling of the underbody and by
the diffusers. When travelling at lower
speeds, the rear spoiler automatically
retracts flush with the body.
The full aluminum body is constructed in the
Audi Space Frame (ASF) design. Its perfect
synthesis of minimal weight and maximum
rigidity provides the ideal foundation for
optimum driving dynamics, as well as
delivering an outstanding power-to-weight
ratio of just 8.16 lbs./hp.
The interior
The sporty interior is dominated by a
totally driver-oriented cockpit
architecture, integrating the driver between
the dashboard and the high center console.
The instrument panel above the console is
angled slightly towards the driver. The
flat-bottomed steering wheel is a typical
feature of the sportiest Audi models, and
also enables comfortable sports car entry
and exit.
Form follows function: this design principle
is implemented throughout the Audi R8.
Alongside the driver-oriented architecture,
also reflected in the styling of the side
window sills, the choice of materials also
makes for a highly functional look and feel.
Looking around when in the driving seat
makes one thing clear: just like in the R8
race car, the styling and placement of all
the elements in the cockpit of this driving
machine is focussed on the essentials. The
centerpoint of everything is the driver.
This combination of the aesthetic and the
ergonomic is maintained in the colors used
and the overall ambience created dark hues
reflect the emphasis on engineering and are
again reminiscent of the motorsport world.
The impression of professional functionality
and ergonomic styling is enhanced by the
visible presence of top-quality materials in
supreme craftsmanship.
The sports seats are trimmed as standard in
a Leather/Alcantara combination, or
optionally in full leather. Alternatively,
the R8 can also be fitted with bucket seats,
specially developed by quattro GmbH. There
is plenty of room for the two occupants,
with comfort levels well beyond the norm of
high-performance sports cars. There is space
behind the seats to stow large bags, or even
two golf bags. The luggage compartment at
the front has a capacity of approximately
3.5 cu. ft.
With numerous trim variants and applications
in Piano finish or Carbon sigma, there are
few limits to the range of customization
options for the interior.
The drive train
Turbine-like power up to the highest rev
ranges, a high maximum torque, all combined
with a fascinating sound, are the
characteristics of a perfect sports car
engine. An engine that is fascinating both
in terms of its enormous power potential and
its suitability for everyday use.
In the high-revving 420 hp eight-cylinder
engine, the evolution of FSI gasoline direct
injection technology has reached a new high.
This technology has also enjoyed many
triumphs in the Audi R8 race car.
The figures illustrate the outstanding
potential of the eight-cylinder unit. At
7,800 rpm the 4.2-liter engine delivers 420
hp of power output. Peak torque is 317
ft.-lbs. from 4.500 to 6,000 rpm. And no
less than 90 percent of this maximum torque
is maintained consistently throughout a wide
engine speed range from 3,500 all the way to
7,600 rpm. As a result of these qualities,
the eight-cylinder power unit provides
maximum thrust in virtually any driving
situation.
The performance figures are equally
impressive: the R8 accelerates from a
standstill to 62 mph
in 4.6 seconds
and reaches a top speed of 185 mph.
The engine is a high-revving unit. The
maximum engine speed is 8,250 rpm. The
advantages of this principle are superior
power output at high engine speeds and a
smooth, eager responsiveness all across the
revs range. Added to this are its agility,
liveliness and engine sound, which is
similar to that of a race car.
The Audi R8's dry sump lubrication another
technology originating directly from motor
racing provides the ideal basis for
maximum longitudinal and
lateral
acceleration. It allows the V8 to be
installed lower, thereby lowering the center
of gravity and further enhancing driving
dynamics.
Two transmissions are available: a manual
6-speed gearbox or optionally the Audi R
tronic sequential-shift gearbox. Here, too,
the influence of the motorsport world is
clearly evident, with a joystick gear-shift
on the center console and, most especially,
the paddles mounted on the steering wheel,
which are a long-established ergonomic
feature in motorsport. The best illustration
of this is once again the Le Mans winning
Audi R8, which also enables the driver to
change gear on the steering wheel.
'Shift by wire' technology provides for very
fast gear-shifting and an outstanding
power-to-weight ratio, allied to compact
gearbox dimensions. The Sport mode, with its
fast shifting, guarantees the absolute
maximum in terms of driving fun. An
automatic mode can also be selected.
Such a powerful Audi is of course fitted
with permanent
all-wheel drive, which distributes
the power variably to the front and rear
axles by way of a viscous clutch. On the
Audi R8 the legendary
quattro
system is adapted to the axle load
distribution typical of mid-engined cars.
The chassis
The chassis features forged aluminum double
wishbones at the front and rear. At the
front they are triangulated, while at the
rear the top one is triangulated and the
bottom one is a triangulated wishbone with a
track rod. This provides for optimum wheel
control, and is a geometry which has proved
itself to be the ideal solution in
delivering agility, maximum steering
precision and precisely defined
self-steering characteristics.
Direct, hydraulic rack-and-pinion steering
provides optimum feedback to assist the
driver.
The spring and damper set-up is stiff in
order to deliver maximum driving dynamics,
while still providing a quite astonishing
level of ride comfort. This is particularly
true when the 'Audi magnetic ride' adaptive
damper system is chosen as an alternative to
the standard gas-filled shock absorbers.
The reason for this is that these shock
absorbers employ an innovative technology.
Instead of the conventional damper fluid, a
magnetorheological fluid is used in other
words, a fluid whose viscosity can be
influenced by an electromagnetic field. This
effect enables the damping characteristic to
be influenced electronically at will and
instantaneously, by applying a voltage to
the electromagnets.
Audi magnetic ride uses this property to
deliver the correct damping forces in every
driving situation, thus optimizing ride
comfort and driving dynamics. A computer
equipped with sensor technology determines
the prevailing driving situation in a matter
of milliseconds. Drivers can choose from two
driving programs depending on whether they
want to drive in a highly sporty style
with the magnetorheological fluid adjusted
to a low viscosity or with the emphasis
more on ride comfort.
The Audi R8 is fitted with 6-arm 18-inch
wheels as standard, and can optionally be
ordered with 19-inch wheels. The 235/40 size
tires at the front and up to 285/35 at the
rear provide the necessary road-holding.
This tire configuration also ensures that
this mid-engined sports car is always able
to translate the dynamism of its drive train
and chassis into optimum grip and maximum
lateral dynamics.
The mid-engined sports car's long wheelbase
and extremely low center of gravity ensure
that it always retains maximum stability,
resulting in superb agility, finely attuned
responsiveness to any driver input, and high
levels of safety.
Equipment and trim
Even the standard
equipment of the Audi R8 meets the
high demands of customers in this segment.
Xenon plus lights, LED rear lights and
daytime running lights, 18-inch aluminum
wheels, an audio system with 7-inch monitor,
an anti-theft alarm and Leather/Alcantara
interior trim are just some of the items on
the extensive list of standard features.
The range of optional extras leaves
virtually nothing to be desired. A Bang &
Olufsen sound system, featuring an output of
465 watts and 12 specially designed
speakers, delivers surround sound of the
highest standard. A microphone-based vehicle
noise compensation system adjusts audio
levels to changing road conditions and
speeds.
The acoustic parking system and a rear-view
camera help the driver to
maneuver
into even the tightest of spaces. The
radio/navigation system plus, featuring a
large-format color monitor and MMI keypad,
combines extensive functionality with
extreme user-friendliness.
A range of coordinated and ideally
combinable design and leather trim packages
from Audi and from quattro GmbH can turn any
R8 into the customers personal dream car.
The wheels range offers design alternatives
in sizes of 18 and 19 inches, fitted with
235/35 size tires at the front and up to
295/30 at the rear. A total of eight
exterior colors are available, from Ibis
White to Phantom Black, pearl effect.
The craftsmanship
The Audi R8 is being built on a small-lot
production line in a specially constructed
new block at the Audi plant in Neckarsulm.
The entire production process from the
bodyshell construction to final assembly
is organized in the same way as a craft
workshop. Small teams of specialists
accompany every step of production,
subjecting every part and component to
intense scrutiny. This ensures that every
one of the maximum of 15 cars per day built
will more than match the customary high
quality standards of the Audi product range. |