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PERFORMANCE
The F-Type showcases the new supercharged Jaguar engines,
a 3-liter supercharged V6 in 340hp and 380hp states of tune and the
5-liter supercharged V8 in the Jaguar F-Type V8 S with 495hp and 460
ft-lbs of torque. All are equipped with the new Intelligent Stop/Start
system to enhance fuel economy under certain driving conditions.
The
340hp version of the supercharged V6, which debuted in the 2013 XJ and
XF sedans, produces 332 ft-lbs of torque at 3,500-5,500 rpm. The 380hp
version, exclusive to the F-Type, produces 339 ft-lbs of torque at
3,500-5,500 rpm. The V8 produces an even broader torque curve, with 460
ft-lbs produced over the 2,500-5,500 rpm range.
The 340hp V6
model can accelerate from zero-to-60 mph in 5.1 seconds (0-100km/h in
5.3 seconds). The 380hp S model lowers that to 4.8 seconds (0-100km/h in
4.9 seconds), and the V8 S can hit 60 mph from rest in just 4.2 seconds
(0-100km/h in 4.9 seconds). Electronically limited maximum track speeds
are 161 mph (260 km/h), 171 mph (275 km/h) and 186 mph (300 km/h),
respectively, for the V6, V6 S and V8 S models.
In addition to
rapid zero-to-60 acceleration, the new Jaguar supercharged engines give
the F-Type outstanding merging and passing performance. The 340hp V6
model will go from 50 to 75 mph in just 3.3 seconds; the 380hp S version
in 3.1 and the V8 S model in 2.5 seconds.
Based on the Jaguar
5-liter V8 engine, the 3-liter V6 shares its all-alloy construction. The
lightweight die-cast aluminum block is stiffened with cross-bolted main
bearing caps, increasing rigidity and refinement. A system of
counter-rotating front and rear balancer weights help give the new
supercharged V6 the smoothness and refinement characteristics of the V8
on which it is based.
The supercharged V6 and V8 engines combine
high compression, direct fuel injection, dual independent variable cam
timing (DIVCT) and a supercharger to deliver their high levels of
performance and efficiency. A twin vortex supercharger is mounted in the
engine's "V", and a water-cooled intercooler reduces the temperature of
the intake air to optimize power and efficiency. The supercharged V6
uses a higher compression ratio than the V8, 10.5:1 vs. 9.5:1.
In
both the V6 and V8, the aluminum cylinder heads package an innovative
valve control system. The dual independent variable cam timing (DIVCT)
system is activated by the positive and negative torques generated by
the movement of the intake and exhaust valves, allowing exceptionally
quick actuation rates of more than 150 degrees per second throughout the
rev range.
Spray-guided direct injection delivers precisely
measured quantities of fuel directly into the center of the combustion
chambers at pressures of up to 150bar (2175 psi) , creating a more
homogenous air-fuel mixture for cleaner and more efficient combustion.
This is aided by spark plugs that are precisely indexed both in relation
to the injector and within the combustion chamber.
The new Jaguar F-Type represents a return to the company's heart: a two-seat, convertible sports car focused on performance, agility and driver involvement. The F-Type is a continuation of a sporting bloodline that stretches back more than 75 years and encompasses some of the most beautiful, thrilling and desirable sports cars ever built. Joining the XK convertible and coupe models, the new F-Type provides Jaguar with a broader line of sports and GT models.
The 2014 Jaguar F-Type combines low vehicle weight (starting at 3,521 pounds), high power (340hp, 380hp and 495hp versions) and superb aerodynamics to achieve a pure sports car experience, yet with Jaguar elegance and luxury.
A true two-seat sports car, the all-new Jaguar F-Type is equipped with a modern, lightweight soft top that, when lowered, serves as its own tonneau cover. This not only provides a weight savings, but also improves packaging and contributes to the car's low center of gravity for greater agility. The top can be fully raised or lowered in just 12 seconds at speeds of up to 30 mph. Its multi-layer construction includes a Thinsulate® lining for optimal thermal and sound-insulating properties.
EXTERIOR DESIGN
Jaguar cars have always defined sinuous, muscular elegance, and the F-Type continues - and advances - this tradition with new, assertive design language. Two "heartlines" define, in just two bold strokes, both the profile and top-down view of the Jaguar F-Type. The main "heartline" theme begins in the blade dissecting the shark-like gills on either side of the grille. This first heartline runs up and forms the sharp top crease of the fender line, which provides sight lines that aid the driver in cornering maneuvers. It leads the eye along the top of the front fender, which is emphasized by the headlamp design, and then into the door and toward the rear of the car where it gracefully disappears.
This sweeping line is mirrored by the feature line that runs back from the side vent. Along with "lightcatcher" surface detailing above the sill, the line instills a sense of speed to the car. The lightcatcher surface detailing also allows the door surface to wrap around the side of the car, creating a fuselage effect.
The second "heartline" swells out to form the muscular rear haunch before sweeping dramatically around the rear of the car. The clean, sleek lines of the tail are made possible in part by the inclusion of an active rear spoiler that deploys at speed to reduce aerodynamic lift. The spoiler rises when the F-Type reaches 60 mph and then lowers to fit flush when the speed drops below 40 mph. Further discreet aerodynamic aids include a front splitter and a sculpted rear valance.
The headlights run vertically rather than horizontally, which leads the eye naturally up and along the fender crease. Technology has facilitated the design language of the Jaguar F-Type; the compact xenon unit requires just one projector, while the J-Blade LED running lights further emphasize the design of the heartline running through the lamp.
The grille leans slightly forward to create a suggestion of motion when the car is stationary. The lower edge of the clamshell hood forms the top of the side vent. The mesh in the grille and side vents is a hexagonal design that gives greater form and depth.
The hidden, automatically deploying door handles support the design purity. The handles remain flush with the door panel until activated by either unlocking the car with the key fob or touching a touch-sensitive area of the handle. Their automatic deployment provides a mechanical "handshake," inviting the driver and passenger to enter. Once the car is moving, the handles retract to leave an uninterrupted aerodynamic surface.
Full LED rear lamps create a new Jaguar sports car signature by reinterpreting classic cues from the past. By wrapping the lights around to the trailing edge of the rear wheel arch, the car's powerful rear-wheel drive stance is emphasized. Reflecting the way the front grille leans forward, the tail tucks inward, reinforcing the impression that the car is poised to leap forward.
Differing exhaust and tailpipe designs distinguish the V6 and V8 variants of the F-Type. The V6 models feature twin center outlets in a nod to the classic Jaguar E-Type introduced in 1961. The boldest exhaust finishers ever fitted to a Jaguar, these are stamped from a single piece of stainless steel, creating an unbroken gleaming surface. The V8 S model exclusively features four outboard-mounted exhaust outlets, with twin outlets on each side.
Further detail differentiation between the three variants is found in the exterior trim. The Jaguar F-Type V6 model is marked by satin black trim elements in the grilles, vents, front splitter and rear valance, while the two 'S' models receive gloss-black finishes in these areas. The V6 model features standard 18-inch alloy wheels, with 19-inch and 20-inch wheels standard for the S and V8 S, respectively, and available as options for the V6. The V8 S also receives additional aerodynamic features, including front vanes beneath the shark gills and flat side sill extensions to manage airflow.
ALUMINUM STRUCTURE
Jaguar, which has innovated the use of aluminum body structures, built the new Jaguar F-Type around its most advanced rigid and lightweight aluminum architecture to date. Jaguar engineers applied more than a decade's worth of aluminum construction experience to achieve the twin goals for the F-Type of low mass and an extremely rigid body.
Key to this was the further development of alloy technology. AC300, a 6000-series aluminum alloy, was specifically selected for parts of the Jaguar F-Type to meet these goals. The F-Type structure is riveted and bonded, and this manufacturing process emits up to 80-percent less CO2 compared to that from welding a comparable steel structure.
In addition to the structural alloy, Jaguar further developed an AC600 aluminum panel alloy in order to deliver the desired design language. This AC600 alloy offers robustness and quality of finish but with a great degree of formability. The effects can be seen in the clarity and tightness of radii and feature lines. It was the radius tightness of just 8mm that allowed the engineers to reproduce the car's "heartlines" exactly as the designers had intended.
Aluminum construction, including all-aluminum double wishbone front and rear suspensions, helps endow the F-Type with an ideal balance, which enhances the agility demanded of a pure sports car. The new structural alloys used in the F-Type construction results in high rigidity. Using detailed Computer Aided Engineering programs, Jaguar achieved lateral stiffness gains of up to 30 percent in key areas, such as the front suspension mounting points, compared to other Jaguar models. This rigidity provides a precision foundation for a finely tuned suspension system to deliver a superb driver connectivity and fidelity of response.
Significantly, the beautiful clamshell hood, an exotic signature feature of the Jaguar F-Type and where the front heartline begins, is a one-piece stamping, made using a 1,000-ton press. Jaguar developed other new manufacturing techniques in order to deliver both the design and structural integrity engineered into the F-Type. A new process, known as "warm forming", is used to produce the inner door stamping. The ordinary stamping process with cold metal could not achieve the desired shape. Jaguar engineers developed a method in which the metal is heated to 500°F (260°C) before pressing. As a result, the desired shape and structure are achieved from one large pressing rather than numerous smaller ones, reducing complexity and weight.
The F-Type employs more composite materials than in any previous Jaguar, with structures under the sill and the trunk lid constructed from high-strength polymers. Extensive analysis throughout the car's structure, powertrain, body and convertible roof contributed to the overall vehicle weight of about 3,521 pounds (1,597 kg). Concentrating as much of the mass as possible within the wheelbase by minimizing the front and rear overhangs also contributes to the car's agility and stability.
Aluminum forms a great part of the commitment Jaguar has made to sustainability. More than half the content of the car comes from recycled or reclaimed metal. In addition, Jaguar is rolling out its closed-loop recycling system to its suppliers, ensuring all waste metal from the manufacturing process is reused.
Intelligent Stop/Start
The new Intelligent Stop/Start system offers fuel economy benefits under certain urban driving conditions. Stop/Start uses a twin solenoid starter, enabling the system to restart the engine quickly as the driver's foot to move from the brake pedal to the accelerator. There is also a strategy for engine stop-start "change of mind" scenarios. This will bring the engine back up to speed even during its run-down phase if, for instance, the car is coming to a halt at an intersection when the driver sees an opportunity to join the traffic flow. As the engine is shutting down, but before it has completely stopped, it can rapidly restart by injecting fuel into the cylinders.
Active Exhaust
Standard for the V6 S and V8 S models and optional for the V6, an Active Exhaust system enhances the exhaust note. Electronically controlled bypass valves in the rear section of the exhaust open under hard acceleration, effectively providing a free-flowing straight-through arrangement. At cruising speeds, the valves will close, retaining a powerful exhaust note with comfortable sound levels.
Eight-speed 'Quickshift' Automatic Transmission
With eight closely spaced ratios in the Quickshift automatic transmission, the Jaguar F-Type driver can select a gear which will keep the engine within its optimal power band. The transmission was specifically tuned by Jaguar for the F-Type to prioritize acceleration. The V6 S model has a slightly lower (higher numerical) final drive ratio, 3.31:1 vs. 3.15:1 than the standard V6 model.
The entire drivetrain of the F-Type - up to and including tire contact patches - is tuned for optimal response to allow for ultra-fast transient torque delivery, which provides the driver with a high degree of responsive feedback. Importantly, once the transmission has shifted into second gear, a locking clutch bypasses the torque convertor, creating a direct mechanical link between the engine and the rear wheels. The Quickshift system enhances the sense of connectivity by ensuring sharp, immediate shifting performance via rapid and precisely timed engine torque intervention.
The operating parameters of the transmission are determined by the adaptive shift strategy that has 25 different programs available to it, depending on driving style and road conditions. The transmission can detect the manner in which the car is being driven by monitoring acceleration and braking, cornering forces, throttle and brake pedal activity, road load, kick-down request and even whether the car is being driven up or down hill. On detecting a more spirited driving style, the transmission will automatically make the shifts more aggressive and move the shift points higher.
In order to maintain the car's balance during a downshift, the transmission will instruct the engine management system to automatically blip the throttle to match engine revs. This function also allows the transmission to perform multiple and very rapid downshifts during hard braking. Corner Recognition senses when the F-Type is negotiating a curve, the transmission holding its ratio to ensure the correct gear for the exit. The transmission will also recognize when the car is performing a series of overtaking maneuvers requiring rapid changes in throttle position. Rather than upshift, the transmission will hold a lower gear to remain ready for the next demand for acceleration.
Manual override of the transmission is available to the driver at any time, using either the steering wheel-mounted paddles or the console-mounted selector. Moving the shift selector to the left gate accesses manual mode, in which the driver pulls the lever rearward for an upshift and pushes forward for a downshift. If Dynamic Mode is also selected on the Jaguar Drive Controller, the transmission will not automatically shift up at the engine's redline and will only downshift to prevent engine stalling, leaving control fully in the hands of the driver.
A Configurable Dynamics option is another first for a Jaguar. This allows the driver to select which elements of the Dynamic Mode are wanted so, for instance, the steering weight and throttle response can be sharpened while allowing the ride on models with Adaptive Dynamics to remain unchanged. Configurable Dynamics also adds functionality to the central touchscreen aimed at track use of the car. The system allows drivers to record lap and split times and will provide information on throttle and brake inputs and even G-forces generated.
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