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This is the new Ferrari FXX K, a harder, track-focused version of LaFerrari with more power, race-inspired styling and even more tech.
Headline figures include a power output of 1021bhp. It’ll be seen in action from next year, although it will only be available to an elite group of owner-drivers who will be entered into Ferrari’s XX driver development programme.
The FXX K name refers to the car's KERS kinetic energy recovery system, which works in conjunction with the standard car's 6.3-litre naturally aspirated V12 engine to produce a total system output of 1021bhp and more than 664lb ft of torque. That's 71bhp more than the standard LaFerrari, with 835bhp coming from the V12 engine and 188bhp from the electric motor.
Ferrari hasn't revealed any performance data for the McLaren P1 GTR rival, but expect improvements on the LaFerrari's 0-62mph sprint time of less than three seconds, as well as its 217mph-plus top speed. As with LaFerrari, drive is channeled through a seven-speed paddle-shift dual-clutch automatic transmission.
The FXX K measures 194mm longer and 59mm wider than the LaFerrari, at 4896mm and 2051mm respectively, but shares the same height of 1116mm as well as its 2650mm wheelbase. There's no word on whether Ferrari has dropped any weight from the LaFerrari, which tips the scales at around 1345kg.
Stylistically, the FXX K looks like a race-inspired evolution of LaFerrari's shape. A new twin-profile spoiler and large splitter – which is 30mm lower than on LaFerrari and includes a central gap to channel air flow– can be seen at the front. This works in conjunction with the larger side sills running down the flanks of the car to stop air gathering underneath.
At the rear, a large, twin-pronged permanent spoiler features alongside a secondary mobile spoiler which can extend on the move. The distinctive shape of the rear is designed to boost downforce, and is helped by the new rear diffuser.
Ferrari says this has helped improve downforce by 50 per cent compared to LaFerrari, resulting in the FXX K producing 540kg of downforce at 124mph.
Inside, the FXX K does away with many of the luxuries of LaFerrari, although it keeps a digitised instrument cluster.
The FXX K sits on special slick Pirelli P-Zero tyres, which incorporate sensors to measure acceleration, temperature and pressure. Carbon-ceramic brakes, manufactured by Brembo, also feature. The car's traction control, Side Slip Angle Control and electronic differential have been specially calibrated to suit the performance rubber, while drivers can control ABS settings via the steering wheel.
Whereas the standard LaFerrari featured a double wishbone suspension set-up front and rear, the FXX K instead adopts a multi-link rear set-up.
Key changes made to the LaFerrari's V12 engine include new camshafts, a modified valve train, redesigned intake manifolds, and the use of mechanical rather than hydraulic tappets. The car's exhaust system has also been modified.
Similarly, the HY-KERS system has been upgraded, giving drivers the option of controlling power with four different modes with the 'Manettino' controller.
Qualify mode provides maximum power for a short number of laps, while Long Run optimises performance for longer stints. Manual Boost mode delivers instant maximum torque, while Fast Charge mode can be used to recharge the car's battery.
The Maranello-based firm says as the FXX K isn't homologated, it will "never" be used in competition. In a statement, Ferrari said the car was developed "to be completely uncompromising, incorporating technological innovations that will guarantee an unprecedented driving experience".
The FXX K’s main rival is McLaren’s P1 GTR, which made its debut at the Pebble Beach concours earlier this year. It will go on sale next summer and is powered by a 986bhp 3.8-litre twin-turbocharged V8 engine working as part of a hybrid powertrain. The P1 GTR will only be offered to existing P1 owners at a cost of £1.98 million.
Ferrari hasn't revealed how much it will charge potential owners to take part in its driver programme, which it hopes to roll out over the next two years, though expect a significant increase on the standard car's £1.15 million price tag.
It's also likely that only existing LaFerrari owners will be eligible to buy the FXX K. Previous entries in Ferrari's exclusive owner-driver programme include the Enzo-based FXX, which is powered by an 848bhp 6.2-litre V12 engine, and the 720bhp 599XX.
This is the new Ferrari FXX K, a harder, track-focused version of LaFerrari with more power, race-inspired styling and even more tech.
Headline figures include a power output of 1021bhp. It’ll be seen in action from next year, although it will only be available to an elite group of owner-drivers who will be entered into Ferrari’s XX driver development programme.
The FXX K name refers to the car's KERS kinetic energy recovery system, which works in conjunction with the standard car's 6.3-litre naturally aspirated V12 engine to produce a total system output of 1021bhp and more than 664lb ft of torque. That's 71bhp more than the standard LaFerrari, with 835bhp coming from the V12 engine and 188bhp from the electric motor.
Ferrari hasn't revealed any performance data for the McLaren P1 GTR rival, but expect improvements on the LaFerrari's 0-62mph sprint time of less than three seconds, as well as its 217mph-plus top speed. As with LaFerrari, drive is channeled through a seven-speed paddle-shift dual-clutch automatic transmission.
The FXX K measures 194mm longer and 59mm wider than the LaFerrari, at 4896mm and 2051mm respectively, but shares the same height of 1116mm as well as its 2650mm wheelbase. There's no word on whether Ferrari has dropped any weight from the LaFerrari, which tips the scales at around 1345kg.
Stylistically, the FXX K looks like a race-inspired evolution of LaFerrari's shape. A new twin-profile spoiler and large splitter – which is 30mm lower than on LaFerrari and includes a central gap to channel air flow– can be seen at the front. This works in conjunction with the larger side sills running down the flanks of the car to stop air gathering underneath.
At the rear, a large, twin-pronged permanent spoiler features alongside a secondary mobile spoiler which can extend on the move. The distinctive shape of the rear is designed to boost downforce, and is helped by the new rear diffuser.
Ferrari says this has helped improve downforce by 50 per cent compared to LaFerrari, resulting in the FXX K producing 540kg of downforce at 124mph.
Inside, the FXX K does away with many of the luxuries of LaFerrari, although it keeps a digitised instrument cluster.
The FXX K sits on special slick Pirelli P-Zero tyres, which incorporate sensors to measure acceleration, temperature and pressure. Carbon-ceramic brakes, manufactured by Brembo, also feature. The car's traction control, Side Slip Angle Control and electronic differential have been specially calibrated to suit the performance rubber, while drivers can control ABS settings via the steering wheel.
Whereas the standard LaFerrari featured a double wishbone suspension set-up front and rear, the FXX K instead adopts a multi-link rear set-up.
Key changes made to the LaFerrari's V12 engine include new camshafts, a modified valve train, redesigned intake manifolds, and the use of mechanical rather than hydraulic tappets. The car's exhaust system has also been modified.
Similarly, the HY-KERS system has been upgraded, giving drivers the option of controlling power with four different modes with the 'Manettino' controller.
Qualify mode provides maximum power for a short number of laps, while Long Run optimises performance for longer stints. Manual Boost mode delivers instant maximum torque, while Fast Charge mode can be used to recharge the car's battery.
The Maranello-based firm says as the FXX K isn't homologated, it will "never" be used in competition. In a statement, Ferrari said the car was developed "to be completely uncompromising, incorporating technological innovations that will guarantee an unprecedented driving experience".
The FXX K’s main rival is McLaren’s P1 GTR, which made its debut at the Pebble Beach concours earlier this year. It will go on sale next summer and is powered by a 986bhp 3.8-litre twin-turbocharged V8 engine working as part of a hybrid powertrain. The P1 GTR will only be offered to existing P1 owners at a cost of £1.98 million.
Ferrari hasn't revealed how much it will charge potential owners to take part in its driver programme, which it hopes to roll out over the next two years, though expect a significant increase on the standard car's £1.15 million price tag.
It's also likely that only existing LaFerrari owners will be eligible to buy the FXX K. Previous entries in Ferrari's exclusive owner-driver programme include the Enzo-based FXX, which is powered by an 848bhp 6.2-litre V12 engine, and the 720bhp 599XX.
Ferrari’s new FXX K research and development programme receives its world premiere next weekend at the Yas Marina Circuit in Abu Dhabi. The laboratory-car is based on Maranello’s first hybrid model and will grace the world’s tracks from next year onwards. The K in its moniker is a reference to the “KERS” kinetic energy recovery system it adopts in maximising its track performance.
Unfettered by homologation and racing regulations, the FXX K will never be used in competition. It was, in fact, developed to be completely uncompromising, incorporating technological innovations that will guarantee an unprecedented driving experience to the exclusive group of Client-Test Drivers with whom the Prancing Horse will roll out a test programme over the coming two years.
The car’s enormous potential is attested to by two significant figures: a total power output of 1050 cv (860 cv delivered by its conventional V12 engine and 190 by its electric motor) and maximum torque in excess of 900 Nm.
The FXX K’s 6262 cc V12 features new camshafts and a modified valve train with mechanical rather than hydraulic tappets. The intake manifolds have been redesigned and given a special type of polishing treatment. The exhaust system has been modified as its silencers have been eliminated.
The HY-KERS system has been evolved specifically for pure performance with the result that the driver can control the function logics from the specific 4-setting Manettino on the centre console: Qualify, for maximum performance within a limited number of laps; Long Run to optimise performance consistency; Manual Boost for instant maximum torque delivery; and Fast Charge, for a fast recharge of the car’s battery.
A focus on delivering maximum efficiency at every stage of every track lap has resulted in extensive but integrated work on the entire car body in terms of both active and passive aerodynamics.
The front of the car is dominated by a twin-profile spoiler and a larger splitter, which is 30 mm lower, with a gap in its centre. This design is an application of the concepts developed to improve aero balance in the GT category of the WEC, which Ferrari has won for three consecutive years. Two pairs of vertical elements, an endplate and, externally, a dive plane, together with vertical fins channel the air towards the car’s flanks, generating a longitudinal vortex that creates a localised depression. This in turn sucks the wake from the wheels to the outside of the aerodynamic underbody. Along with the side skirts that extend out from the sills, the vortex helps isolate the airflow from the underbody to boost its efficiency.
The solutions on the rear of the car are highly sophisticated, too. The tail section is now higher and the mobile spoiler extends further for a total increase in extension of 60mm when fully deployed. A vertical fin and a small wing each side of the tail act as guide vanes in the low drag configuration and boost the spoiler’s efficiency in the high downforce one. This system also creates considerable downforce at the rear of the car, allowing the use of an extreme diffusion volume for the rear diffuser which optimises air extraction from the underbody. The section of the flat underbody just ahead of the rear wheels is also exploited to the full to generate downforce thanks to the reduced pressure in the wheel arch guaranteed by the direct connection to the rear of the car by a by-pass duct.
The result is a 50% improvement in downforce in the low drag configuration and a 30% improvement in the more aggressive downforce configuration, resulting in a figure of 540 kg at 200 km/h.
Vehicle dynamics are further improved by the adoption of Pirelli slicks complete with sensors that monitor longitudinal, lateral and radial acceleration, as well as temperature and pressure. This ensures an accurate analysis of the interaction between the tyre and track surface, providing even more vital data to enable the traction control system to guarantee maximum performance.
The intervention level of the E-Diff electronic differential, F-Trac traction control, Racing SSC (Side Slip Angle Control) – now specially calibrated to suit the car’s slick tyres – and the high-performance ABS can be controlled using the five-position Manettino on the steering wheel.
TECHNICAL SPECIFICATIONS
KERS system
Total maximum power 1050 cv
Total maximum torque >900 Nm
V12 maximum power* 860 cv @ 9200 rpm
Maximum revs 9250 rpm
V12 maximum torque 750 Nm @ 6500 rpm
Electric motor output 140 Kw (190 cv)
ICE
Type 65-deg. V12
Bore and stroke 94 x 75.2 mm
Total displacement 6262 cc
Specific power 137 cv/l
Dimensions
Length 4896 mm
Width 2051 mm
Height 1116 mm
Wheelbase 2650 mm
Gearbox
7-speed DCT
Suspension
Front double wishbones
Rear multi-link
Tyres (Pirelli P-Zero slicks with sensors )
Front 285/650 – R19 x10.5
Rear 345/725 – R20x13
Carbon ceramic brakes (Brembo)
Front 398 x 223 x 36 mm
Rear 380 x 253 x 34 mm
Electronic controls
ESC stability control
High perf ABS/EBD Performance anti-lock system/electronic brake balance
EF1-Trac F1 electronic traction control integrated with the hybrid system
E-Diff 3 third generation electronic differential
SCM-E Frs magnetorheological damping with twin solenoids (Al-Ni tube)
Aerodynamics active
Okay, folks...I moved the former "XX" posts in the LaFerrari thread out into its own thread now that Ferrari has revealed the model name of this extreme uber-car to be the "FXX K".
Ferrari’s track-only version of its LaFerrari flagship was revealed earlier this week as the FXXK, where the XX portion of the name confirms the model as the latest ‘experimental’ Ferrari and the K refers to its special kinetic energy recovery system (KERS).
The FXXK was revealed for the first time at the Finali Mondiali event currently taking place at Abu Dhabi’s Yas Marina circuit. The event is Ferrari’s annual celebration of the end of the motorsport season and brings together all of its separate sporting divisions, including the XX program.
It is here that Road & Track managed to learn that just 32 examples of the 1,035-horsepower track weapon will be built, each costing at least $2.7 million. However, even if your bank balance is looking a little too rich these days, you won’t be able to buy an FXXK because the car is already sold out.
Like Ferrari’s previous XX cars, the FXXK was likely offered exclusively to the brand’s most loyal customers. The car forms part of Ferrari’s Corse Clienti customer racing program, which means it will be kept and maintained by Ferrari, with owners flying in to various race tracks around the world for drive events organized by the automaker’s Sporting Activities Department.
11-20-2014, 06:48 PM
