The new Lamborghini Aventador
S is characterised by new aerodynamic design, redeveloped suspension, increased
power and new driving dynamics. The ‘S’ is the suffix of previous enhanced Lamborghini
models and defines a new benchmark for the V12 Lamborghini. The car will be
launched in the spring of 2017 and will be priced at US $ 421,350 (Rs 2.86 crore approx.) in the US
The Lamborghini Aventador’s
naturally aspirated 12 cylinder, 6.5 litre engine outputs an additional 40 hp
over its predecessor, to a maximum 740 hp, with a 690 Nm of torque at 5,500
rpm. To achieve the power increase, both VVT (Variable Valve Timing) and VIS
(Variable Intake System) have been optimised in order to obtain an enriched
torque curve. Additionally, the maximum engine revs have been increased from
8,350 to 8,500 rpm. A dry weight of just 1,575 kg provides a weight-to-power
ratio of just 2.13 kg/hp. Acceleration from 0-100 km/h is reached in 2.9
seconds, with a top speed of 350 km/h. Transmission is provided by
Lamborghini’s lightweight Independent Shifting Rod (ISR) 7-speed shifting
system, providing robotised gear shifts in up to 50 milliseconds.
The Aventador S features a
number of exterior developments, particularly in front and rear, while its
profile remains clearly an Aventador. Every modified component is redesigned
for a purpose, achieving maximum aerodynamic efficiency while accenting the
Aventador’s complex, muscular dynamism. Furthermore, Lamborghini Centro Stile
has intelligently integrated certain elements of past icons, such as the lines
of rear wheel arches reminiscent of the original Countach.
A more aggressive nose and
longer front splitter redirect airflow for better aerodynamic efficiency, improved
engine cooling and increased cooling to the radiators. Two air ducts in the
side of the front bumper reduce aerodynamic interference from the front tires
and optimize wake flow to the rear radiator.
The rear of the Aventador S is
dominated by a black diffuser, available on request in carbon fibre, characterised
by a number of vertical fins that amplify the airflow effects, reduce drag
through pressure recovery and generate downforce. Three single exhaust outlets
exit through the rear bumper.
The active rear wing is
movable in three positions depending on speed and drive select mode, and
optimizes the car’s improved overall balance, working with vortex generators
created in the front and rear of the chassis’ underside that maximize air flow
as well as assist in brake cooling. The Aventador S design results in
significantly enhanced aerodynamic performance. Front downforce has been
improved by more than 130% over the previous Aventador coupé. When the wing is
in its optimum position the overall efficiency at high downforce is improved by
over 50%, and in low drag by more than 400% compared to
the previous model.
The Aventador S chassis
retains the Aventador’s unique and extremely rigid lightweight carbon fiber
monocoque with attached aluminum frames resulting in a dry weight of just 1,575
kg. The Aventador S is redeveloped around a ‘total control concept’ to provide
a superior drive, ride and performance; every aspect of the car’s suspension
and electronic control systems has been advanced, with the goal of particularly
enhanced control and driving emotion. Enhanced lateral control comes from new
four-wheel steering, adopted for the first time on a series production
Lamborghini. The system provides improved agility at low and medium speeds and
more stability at high speed.
On the front axle it is
combined with Lamborghini Dynamic Steering (LDS), tuned for a more natural and
responsive feel with a sharper turn-in. It is specially adapted to integrate
with the active Lamborghini Rear-wheel Steering (LRS) on the rear axle: two
separate actuators react in five milliseconds to driver’s steering movements,
allowing a real-time angle and cornering stiffness adjustment.
At low speeds, front wheels
face in opposite direction to the steering angle, thereby virtually reducing
the wheelbase. With less steering wheel angle required, the Aventador S is more
agile with a reduced turning radius, ensuring higher performance in curves and
making it easy to maneuver in town and at low speeds.
Conversely at higher speeds both
front and rear wheels share the same steering angle, thus virtually extending
the wheelbase, providing increased stability and optimizing the responsiveness
of the car.
Vertical control comes from
Lamborghini’s updated pushrod and Lamborghini Magneto-rheological Suspension
(LMS), with revised kinematics adapted to the new four-wheel steering. New
suspension geometry, optimized for Lamborghini Rear-wheel Steering, includes
upper and lower arm and wheel carrier to reduce caster and
load on the system. A new real-time variable damping system optimizes wheel and
body control, and balance and ground stiffness is maximized. New rear springs
also enhance the car’s balance.
Longitudinal control is
achieved via an improved ESC strategy with faster and more precise control of
traction control and vehicle dynamics, depending on the driving mode selected.
Extensively tested on surfaces such as snow and ice, the Aventador S has
improved adhesion detection to maximize grip in all conditions and enhance its
handling capabilities. The Aventador S permanent four-wheel drive has been
calibrated for the stabilizing effect of the new Lamborghini Rear-wheel
Steering, allowing more torque to the rear axle: when powering off the
throttle, less torque is shifted to the front axle to allow oversteer behavior
and a sporty, but safe drive. Lamborghini engineers have integrated the smart
Lamborghini Dinamica Veicolo Attiva (LDVA) control unit to manage these systems
in the car. LDVA is the new brain of the car, which receives real time and
precise information on body motion via input from all sensors of the car. It
instantly defines the best set-up of all active systems in order to guarantee
the best vehicle dynamics in each and every condition.
The Aventador S allows the
driver to select between four different driving modes: STRADA, SPORT, CORSA and
the new EGO mode, which influence the behaviour of traction (engine, gearbox,
4WD), steering (LRS, LDS, Servotronic) and suspension (LMS).
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