This new alloy rim design, based directly on the world of motorsport,
reduces the unsprung weight of the vehicle by 5 kg.
As with the front suspension, the rear damping rates are specifically tuned for
the reduced unsprung weight of the lighter Touring trim wheels.
Not exact matches
The transmission does not form part
of the engine as on conventional cars, but is unit - built with the rear axle and bolted to the chassis to
reduce unsprung weight.
Magnesium wheels
reduced unsprung weight, while extra aerodynamic flaps increased downforce and a set
of six - point seatbelts better secured the driver and passenger in place.
They also
reduce gyroscopic effects, making initial turning behavior more sensitive and controlled, and the amount
of unsprung weight at each corner — the byproducts
of which are improved ride comfort and more desirable handling characteristics thanks to a lessening
of the suspension's overall workload.
They activate the coil - over dampers, which ride up in the middle
of the car,
reducing unsprung weight — and, more important, looking cool as all hell.
A further advantage is that PCCB brakes
reduce the
weight of the
unsprung masses versus comparable grey cast - iron discs by approximately 20 kg or 44 lb.
In addition to these benefits, most suspension parts are made
of aluminium, to
reduce unsprung weight.
Such use
of light alloy helps to
reduce the
weight of unsprung masses despite the larger discs on the front wheels by approximately 2.4 kg or almost 5.3 lb, the further improvement
of brake ventilation helping additionally to minimise fading for lasting brake performance at all times.
* Revised ZF 6HP26 transmission with «Quickshift» system that cuts shift times by 50 % and enables double downshifts * New 40/60 rear - biased torque split for the all - wheel drive system
reduces understeer when powering out
of bends and provides for better modulation
of line and attitude by «throttle steering» * Uprated front suspension with aluminium forward levers, stiffer bushes together with retuned anti?roll bar and Servotronic steering for sharper turn - in * Revised Continuous Damping Control (CDC) for improved body control * Unique lightweight, 20 - inch, 10 - spoke alloy wheels offer 10 kg (22 lb)
weight saving per car,
reducing unsprung and rotating mass and improving brake cooling.
Underway, the 2006 BMW 750Li's mass is tangible, but with very effective use
of aluminum chassis and braking components to
reduce unsprung weight, the car feels sprightlier than expected.
The CCM brakes are some 12.5 kg lighter than conventional brakes
reducing not only the overall
weight of the car but also the
unsprung mass specifically.
Control is courtesy
of a 5 - link suspension that utilizes aluminum control arm components to
reduce unsprung weight.
This is
weight saving in a decisive area because
unsprung mass is substantially
reduced — much to the joy
of engineers and driving fun
of drivers.
The suspension (which features a lot
of aluminum too, in order to
reduce unsprung weight) is another positive highlight.
The Weissach Package is an exclusive version with only 162 in the US,
reducing weight and
unsprung mass with magnesium alloy center - lock wheels, light -
weight Alcantara instead
of leather interior trim, fire - resistant fabric upholstery, and lighter door pull straps.
This most elaborate
of BMW brake concepts shares 2 - piece rotors with the 550i and 6 Series: an aluminum «hat» inner portion to
reduce unsprung weight, and a cast - iron outer portion as the actual friction surface.
The EX-L and Touring models get refinements
of the foregoing, including hydraulic rear bushings for better road isolation and lighter wheels for
reduced unsprung weight.
Issues we had with the F - Type V8S promise to be corrected by the following: Torque Vectoring by Braking to eliminate understeer, Jaguar Adaptive Dynamics with revised spring rates for progressive handling, carbon ceramic brakes (398 / 380 mm front and rear,
reducing overall
unsprung weight by 46 lbs) to handle that great lumpen mass
of an engine, and the latest electric LSD to make the most
of on - throttle rotation.
This results in
reducing the overall
weight of the car and, in particular, the
unsprung weight and rotational masses, further enhancing the DBS Volante's dynamics.
The considerable front and rear cross-drilled disc brakes are
of a compound design with an aluminum center hub which
reduces unsprung weight for greater responsiveness.
The front suspension is based on a McPherson system; aluminum components
reduce the
weight of the
unsprung chassis masses.
The specification clearly demonstrated Jaguar's racing experience and included semi-monocoque construction, independent suspension all around (at a time when Ferrari was still using live rear axles), disc brakes all around (inboard at the rear to
reduce unsprung weight), and
of course Jaguar's legendary twin cam inline - 6.
The comparatively low curb
weight helps make the most
of the driving experience by allowing the use
of lighter -
weight chassis components, which
reduces unsprung weight to enable more precise handling without compromising ride quality.
Pivot bearings and lateral control arms made
of aluminum
reduce unsprung weight, and stiffer suspension mounts and a sportier characteristic for the electromechanical steering provide even greater precision.
The particularly low
weight and the significantly
reduced unsprung masses directly result in an enhanced driving performance
of the new Porsche 911.
The multi-link rear suspension features aluminum - alloy rear arms and upper links in place
of cast - iron pieces to
reduce unsprung weight.
As a result
of the
reduced unsprung weight, they optimize both comfort and grip, while the
reduced rotating masseson the front axle deliver a more direct steering response.
The drawbacks are that it does not allow each wheel to move independently in response to bumps, and the mass
of the beam is part
of the
unsprung weight of the vehicle, which can further
reduce ride quality.
The upper number - one arm has been optimized for rigidity, and the upper number two arm and the end section
of the toe - control arm are made from forged aluminum to
reduce unsprung weight.
The use
of three - piece wheels made from this extremely lightweight and high - strength material directly
reduces unsprung masses and produces a
weight saving
of three kilograms per wheel.
At the rear, all five
of the suspension arms and the toe - control bracket have been designed to provide new geometry and
reduce unsprung weight.
You can now
reduce unsprung weight, increase the ventilation and cooling capacity
of your brakes with a set
of Girodisc rotors.
Extensive use
of aluminium in the suspension has
reduced unsprung mass, while the traditional BMW 50:50
weight distribution adds to the car's lively responses and agile handling.
The multi-link rear suspension features aluminum - alloy rear arms and upper links in place
of cast - iron pieces to
reduce unsprung weight (and thereby enhance handling response).
It also includes a set
of 20 - inch wheels that
reduce unsprung weight for added performance and Nitto high - performance tires.
The 9.5Jx20 - inch forged alloy wheels, shared with the Supersports Coupé, offer a
weight saving
of 10 kg (22 lb) per car,
reducing unsprung and rotating mass while the open 10 - spoke design offers superior brake cooling.
• Revised ZF 6HP26 transmission with «Quickshift» system that cuts shift times by 50 % and enables double downshifts • New 40/60 rear - biased torque split for the all - wheel drive system
reduces understeer when powering out
of bends and provides for better modulation
of line and attitude by «throttle steering» • Retuned Continuous Damping Control (CDC) system, stiffer suspension bushes and uprated rear anti-roll bar benefit body control, steering response, turn - in and balance • Increased 50 mm rear track improves grip and stability • Lightweight, 20 - inch, 10 - spoke alloy wheels offer 10 kg (22 lb)
weight saving per car,
reducing unsprung and rotating mass and improving brake • 275/35 ZR20 Pirelli Ultra High Performance tyres • Advanced ESP system fully exploits potential
of the most powerful W12 engine and improved chassis • Standard - fit carbon - ceramic brakes provide fade - free braking and contribute a 20 kg (44 lb) reduction in rotating and
unsprung mass from the front axle.