Ufficiale: Bugatti Chiron 2016

beckervdo · 29 Febbraio 2016

Fonte: www.autobild.de

Galleria completa:http://www.netcarshow.com/bugatti/2017-chiron/

Il W16 da 8.0 litri è stato completamente rivisto, idem il comparto idraulico e la trasmissione.

The Bugatti Chiron is the world's first super sports car to bring 1,500 HP onto the road with a torque of 1.600 Nm at 2,000 to 6,000 rpm with tremendous effectiveness, extremely high safety levels and unprecedented comfort.
Speed mode, the car reaches the maximum speed of 420 km/h, limited for road use - however, this is by no means the end of the road for the Bugatti Chiron.
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Newly developed W16 engine
1,500 HP was the power target for the Bugatti Chiron. To achieve this objective, the eight-litre W16 engine which is already well-known to customers and fans was completely redesigned. To achieve a power boost of 25 percent compared with the predecessor, almost every component of the engine was considered and redesigned. To compensate for the weight increase caused by the high power output, greater use is made of lightweight materials such as titanium and carbon fibre. For example, the intake tube, the charge air system and the chain housing are all made of carbon fibre. The weight of the new crankshaft has also been optimised.
The key factors in the increased power output are higher-performance turbochargers and duplex fuel injection with 32 injectors. In addition, the charge air cooling system has been improved. As a result, more than 60,000 litres of air per minute are pumped through the engine. The coolant pump is also a very high-performance unit. In one minute, it circulates 800 litres of water through the entire engine.

Two-stage turbocharging is the outstanding technical feature of the powertrain
The engine is fitted with four larger, higher-performance turbochargers. They are operated in a two-stage configuration. The two-stage turbocharging system developed by Bugatti especially for this car is the outstanding technical feature of the Chiron powertrain. To ensure maximum acceleration from a standstill without the "turbo lag" feared by sports car drivers, the Chiron moves off the mark with only two turbochargers in operation. The other two units are only activated at about 3,800 rpm. As a result, the two-stage turbocharging delivers an absolutely linear power curve from 2,000 rpm, huge torque in the low engine speed range and a power output that can be controlled and dosed rather well.

New titanium exhaust system / the main catalytic converters are about six times as large as the unit fitted to a medium-sized car
Another feature that boosts the power output is the new titanium exhaust system with reduced exhaust gas back pressure. The system is fully insulated and equipped with four pre-converters and two main catalytic converters which are considerably larger than their predecessors. The main converters are about six times as large as the unit fitted to a medium-sized car. The total active surface of the six converters used for exhaust gas treatment is about 230,266 m², corresponding to the area of more than 30 soccer fields. From the catalytic converters, the exhaust gas is fed to a silencer which is extremely light compared with similar units, weighing only 20 kg. While other manufacturers use stainless steel, the silencer of the Bugatti Chiron is made from titanium. The exhaust system is rounded off by six tailpipes, with four routed to the rear and two pointing downwards.
The transmission has the largest, highest-performance clutch fitted to a passenger car
The powertrain features a front-axle differential with integrated inter-axle lock and a rear-axle differential with integrated inter-wheel lock and a seven-speed dual-clutch gearbox designed for a torque of 1,600 Nm. This gearbox developed especially by Bugatti has the largest, highest-performance clutch used on a passenger car. It goes almost without saying that the Chiron has permanent four-wheel drive.

Highly sophisticated monocoque with extremely high rigidity - LMP1 level
The monocoque of the Chiron is made entirely from carbon fibre and is designed for crash protection. This newly developed unit is the technically most sophisticated monocoque in its class. For the first time, the rear end of the car is also made from carbon fibre. If all the fibres used in the monocoque were laid out end to end, they would stretch nine times the distance between the earth and the moon. The production of a monocoque takes four weeks.
Thanks to the use of high-performance high-tech materials, the structure of the Chiron at the rear end is 8 kg lighter than that of its predecessor. The structure is completed by a carbon fibre underbody manufactured by an innovative sandwich procedure. The sandwich construction, combined with optimised material use, results in a weight saving of 8 kg compared with conventional construction. The structure of a sports car is not only the decisive factor in its weight but also in its rigidity. The Bugatti Chiron reaches a torsional rigidity of 50,000 Nm per degree and a flexural rigidity of about 0.25 mm per tonne. These are sensationally good values comparable to those of LMP1 racing cars.

New adaptive chassis with five driving programs
The adaptive chassis of the Bugatti Chiron has five different driving programs: Lift, EB "Auto", Autobahn, Handling und Top Speed. This new control strategy was necessary as a result of the extremely high power output and especially the huge maximum torque of the Chiron, which is available over 70 percent of the entire engine speed range. The main actuators used in the individual driving programs are the chassis height adjustment, the electronically controlled shock absorbers, the electronically controlled power assisted steering, the four-wheel drive with "easy to drift" feature, the electronically controlled rear differential, the aerodynamic control system and the stability and brake control system. All these actuators ensure that the super sports car is ideally adjusted for the driving mode which has been selected.
The "Lift" mode is used if the vehicle is to be loaded on a trailer or driven over speed bumps and entries. When a speed of 50 km an hour is reached, the vehicle automatically switches to the base EB "Auto" mode for comfortable and agile driving. In this mode, the chassis height and shock absorbers are automatically controlled as a function of speed and road conditions.

Intelligent air intake management significantly improves aerodynamic properties as well as enhancing vehicle cooling
Aerodynamics and cooling are extremely important, especially in the super sports car sector. The Bugatti Chiron is a largely enclosed vehicle designed to obtain the best possible aerodynamic properties. For this reason, air flow through the vehicle for cooling presents an enormous challenge. This internal combustion engine with a power output of 1,500 HP can generate more than 3,000 HP of heat which needs to be dissipated.
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Via Bugatti

giacomo · 29 Febbraio 2016

saluti,

qualche idea sul costo?

beckervdo · 29 Febbraio 2016

giacomo ha scritto:

saluti,qualche idea sul costo?
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Penso over 2milioni di €

LupoTHP · 29 Febbraio 2016

??????? /emoticons/biggrin@2x.png 2x" width="20" height="20" />

n2o · 29 Febbraio 2016

versione civile di questa

Topo 190cv · 29 Febbraio 2016

giacomo ha scritto:

saluti,qualche idea sul costo?
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2,6 milioni di euro ma del tutto giustificati: trovare un' auto con fondo scala a 500 KM/H non è una cosa che capita tutti i giorni.

giacomo · 29 Febbraio 2016

Topo 190cv ha scritto:

2,6 milioni di euro ma del tutto giustificati: trovare un' auto con fondo scala a 500 KM/H non è una cosa che capita tutti i giorni.
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certamente non è una macchina alla portata di un impiegato;

per chi può spendere queste cifre sicuramente il massimo dei massimi

saluti

LupoTHP · 29 Febbraio 2016

certo che almeno sull'estetica potevano sforzarsi un po' di più ed evitare di copiare un prototipo Citroen del 2010 /emoticons/biggrin@2x.png 2x" width="20" height="20" />

*Alfonso* · 29 Febbraio 2016

Mi inchino alla piu performante Bugatti di sempre quindi praticamente il massimo in tutti i sensi...ma l'estetica non mi fa impazzire.

Ubriacone · 29 Febbraio 2016

Non sono mai riuscito a trovare tempi sul giro per sta tipologia di macchina....

Topo 190cv · 29 Febbraio 2016

giacomo ha scritto:

certamente non è una macchina alla portata di un impiegato;per chi può spendere queste cifre sicuramente il massimo dei massimi

saluti
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Dimenticavo: ne produrranno solo 500 pezzi.

Saluti anche a te.

Gabo · 29 Febbraio 2016

Ubriacone ha scritto:

Non sono mai riuscito a trovare tempi sul giro per sta tipologia di macchina....
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sul finale il giro di Stig

diciamo che si muove...

Ubriacone · 29 Febbraio 2016

Gabo ha scritto:

sul finale il giro di Stigdiciamo che si muove...

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intendevo qualcosa di più realistico tipo Ring etc..

Gabo · 29 Febbraio 2016

Ubriacone ha scritto:

intendevo qualcosa di più realistico tipo Ring etc..
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cerchiamo un pò, qualcosa c'è sicuro

bmwaddicted · 29 Febbraio 2016

Daje, fondo scala a 500 km/h e via.

Pin · 29 Febbraio 2016

E andiamo

feb120d · 29 Febbraio 2016

bellissima, soprattutto nel paio di foto in cui è in nero...

Gabo · 29 Febbraio 2016

due cose da fare subito:

- portarla a 2000cv

- i freni che sembrano sottodimensionati

Roger84 · 1 Marzo 2016

Un dragster da oltre 450km/h!!!

2000cv, 2000Nm e facciamo conto paro!

Chissà se avrebbe problemi di ripresa....

CabrioPassion · 1 Marzo 2016

Che ferro ragazzi, poi chissà roadster che bella che sarà.

Gabo ha scritto:

- portarla a 2000cv
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Su questo ci pensi te col modulino.

- i freni che sembrano sottodimensionati
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Per questo consigli Pagid Gialle vero?

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