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Ferrari F12tdf
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Ferrari F12tdf revealed
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15th October, 2015
Ferrari reveals the F12tdf which pays homage to the Tour de France road
race that Ferrari dominated in the 1950s and ‘60s, particularly with the 1956 250 GT Berlinetta which won four
consecutive editions. It was a race that rewarded cars that combined maximum performance with the driveability and ease
of use that enabled the competitors to race for hundreds of kilometres a day over fast, tortuous roads and on circuits.
The Ferrari F12tdf is an expression of the concept of an extreme road car that is equally at home on the track. The
production run is limited to 799 examples.
The F12tdf is a concentration of technical innovations which involve all those areas central to Ferrari’s DNA: engine,
aerodynamics and vehicle dynamics.
The F12tdf’s performance is assured by the 780 cv, naturally-aspirated V12 derived directly from the F12berlinetta’s
engine. The car’s exhilarating dynamic behaviour, specifically its lateral acceleration in corners, is due to an 8%
increase in the ratio of the front tyres compared to the rear ones. The car’s natural tendency to oversteer as a result
of the change in tyre sizes is compensated for by the innovative rear-wheel steering system – known as the Virtual Short
Wheelbase, which is integrated with the other vehicle dynamic control systems – that guarantees the steering wheel
response times and turn-in of a competition car while increasing stability at high speed. Cornering speeds are also
higher thanks to the significant increase in downforce - +87% - which has reached unprecedented levels for a
front-engined V12 berlinetta.
A radical redesign of the bodywork, interior, engine, transmission and running gear, along with the abundant use of
carbon-fibre inside and out, has slashed 110 kg off the car’s overall weight.
All of these factors combine to produce appropriate performance figures: 0-100 km/h in 2.9 seconds in addition to a
substantial boost in lateral acceleration. The F12tdf laps Fiorano in 1’21”.
Outstanding stopping distances are guaranteed by the adoption of the new Extreme Design one-piece brake callipers
already seen on the LaFerrari. This new-generation system means the car can brake from 100-0 km/h in just 30.5 m and
from 200-0 in 121 m.
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POWERTRAIN
The engine is the F12berlinetta’s 6,262cc 65° V12 on which Ferrari engineers worked to boost maximum power output from
740 cv to 780 cv at 8,500 rpm, yielding a specific power output of 125 cv/l. The engine’s sporty response is assured by
a maximum torque figure of 705 Nm (up from 690 Nm) at 6,750 rpm with 80% already available at 2,500 rpm, resulting in
pick-up all the way to the red-line at 8,900 rpm.
Numerous modifications have been developed for this engine, starting with the use of race-inspired mechanical tappets
and variable-geometry intake trumpets used on Formula 1 cars which help boost volumetric efficiency at high revs.
The F12tdf is equipped with a specific version of the F1 DCT with 6% shorter gear ratios that delivers 30% faster
upshifts and 40% faster downshifts.
VEHICLE DYNAMICS
Ferrari’s engineers sought to make an extremely agile and powerful car which could also be driven by less expert
drivers. They drew on the wealth of experience built up in the XX programmes which are dedicated to developing extremely
high performance cars driven by non-professional drivers.
Extraordinary chassis dynamics, in terms of maximum lateral acceleration and responsiveness, are in part achieved by
the increase in the front tyre dimensions, which jump from 255 to 275, along with the front channel size - up from 9.5”
to 10”. This modification guarantees higher lateral acceleration generated by the front axle but, alone, this would have
caused oversteer on the limit, making the car more challenging for less expert drivers.
To enable even gentle drivers to make full use of the performance, Ferrari developed its new Virtual Short Wheelbase
system. Debuting on the F12tdf, the rear axle is active, allowing the rear wheels to pivot around a vertical axis.
Using model-based control logic developed entirely in-house by Ferrari, the rear axle steering automatically adjusts
the rear wheels, working out the optimal steering angle as a function of the steering wheel angle, speed of steering
inputs and vehicle speed.
The Virtual Short Wheelbase improves the car’s responsiveness to make it feel more agile, with instantaneous turn-in
that can be best appreciated on twisty roads and on more technically challenging tracks while, at the same time,
improving stability at high speeds.
AERODYNAMICS
The F12tdf’s aerodynamic efficiency figure is 1.6, almost double that of the F12berlinetta. Downforce is 230 kg at
200 km/h, which is an impressive 107 kg more.
Development affected every area of the car’s surface, producing striking elements that lend its forms a unique sleek
power. At the front, a highly complex bumper contributes to downforce generation. It features a radically scooped lower
section and incorporates a competition car-inspired splitter, dive planes, floor wings and louvres to boost the
efficiency of both the sides and the underbody.
The Aerobridge on the car’s front flank has been redesigned to increase the energising effect of the air flow along
the top of the sides, while at the rear, louvres on the wheel arch provide a depression that extracts air from the inner
wheel arch, thereby increasing the efficiency of a section of the underbody that is usually little used in generating
downforce.
The rear spoiler is now 60mm longer and 30mm higher, while the rake of the rear screen has been made more vertical to
extend the surface area over which the spoiler can generate downforce and to capitalise on its advantages more
effectively. The concave curvature of the rear luggage hatch either side of the rear screen further enhances the
solution.
Three pairs of GT-racing-derived strakes have been adopted on the aerodynamic underbody and are responsible for 30% of
the increase in downforce compared to the F12 Berlinetta. The rear diffuser has been completely redesigned and now sports
a system of three active flaps. It has been split into three channels and features curved fences and vertical splitters
to boost the power of the vortexes and enhance the expansion of the flow in the horizontal plane. This radical
aerodynamic design work essentially made a whole new car that also marks a major stylistic departure from the
F12berlinetta.
STYLING
Designed by the Ferrari Styling Centre, the new F12tdf has particularly imposing forms, the product of Ferrari’s
continuous commitment to melding sculptural beauty with functional demands.
All of the bodywork panels, from the chiselled nose to the tail, have been revised. Wider front and rear tracks also
give the car an even more aggressive stance.
In terms of the formal design language, the objective was to make an interaction between the sculptural surfaces of
the F12berlinetta and a more graphic treatment of the various new aerodynamic features. The best testament to this intent
is the evolution of the Aerobridge, the design of which is further enhanced by the use of bare carbon-fibre. Developed
in such a technical manner, this component combines with the other details in making a coherent aesthetic approach to the
whole car.
The car’s uncompromising sportiness is expressed with the same degree of purity in the deliberately Spartan cockpit.
The wrap-around effect that embraces the driving position is intensified by the use of carbon-fibre housings for the
instruments and satellite pods. The door panels have been pared back to a single carbon-fibre shell, while the glove
compartment has disappeared to be replaced by simple knee padding. Alcantara rather the traditional leather was chosen for
the cabin trim, technical fabric for the seats and patterned aluminium instead of mats for the floor, once again with the
aim of saving every last ounce of weight.
The F12tdf’s specification is completed by lightweight alloys with five twinned spokes that are designed to have the
narrowest section possible to reduce unsprung weight.
Ferrari F12tdf Technical Specifications
Engine
| Type |
65-degree V12 |
| Overall displacement |
6,262 cc |
| Max. power output |
574 kW (780 cv) at 8,500 rpm |
| Max. torque |
705 Nm at 6,750 rpm |
| Max. engine speed |
8,900 rpm (limiter) |
Dimensions and weight
| Length |
4,656 mm |
| Width |
1,961 mm |
| Height |
1,273 mm |
| Weight distribution |
46% front - 54% rear |
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Tyres and wheel rims
Front
Rear |
275/35 ZR 20” 10” J
315/35 ZR 20” 11.5” J |
Performance
Max. speed
0-100 km/h
0-200 km/h
Fiorano lap time |
in excess of 340 km/h
2.9 sec
7.9 sec
1’21” |
Fuel consumption and CO2 emissions
Fuel consumption 15.4 l/100 km (ECE+EUDC with HELE system)
Emissions 360 g/km (ECE+EUDC with HELE system)
E&OE.
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