Au­tos

Bu­gatti un­veils its lat­est model in Cal­i­for­nia

Golf Asia - - CONTENTS -

WWith the Divo, Bu­gatti has de­vel­oped a su­per sports car tuned for agility, nim­ble­ness and op­ti­mum han­dling per­for­mance on wind­ing roads. It is pow­ered by Bu­gatti’s iconic eight-litre W16 en­gine with a power out­put of 1,500 PS. The aero­dy­nam­ics of the model have been in­ten­sively fine-tuned, and the sus­pen­sion and chas­sis set­tings have been mod­i­fied. As a re­sult, the Divo is 35 kilo­grams lighter and has 90 kilo­grams more down­force than the stan­dard Ch­i­ron. The lat­eral ac­cel­er­a­tion of the Divo has been boosted to 1.6 g and its max­i­mum speed is lim­ited to 380km/h. The Divo can lap the Nardò han­dling cir­cuit in south­ern Italy eight sec­onds faster than the Ch­i­ron. The se­ries will only con­sist of 40 ve­hi­cles. Upon the start of pre­sen­ta­tions to se­lected cus­tomers, the strictly lim­ited small se­ries, with a net unit price of €5 mil­lion, sold out im­me­di­ately.

Bu­gatti is also re­viv­ing its coach­build­ing tra­di­tion, in its first few

decades, the French lux­ury brand had con­sid­er­able suc­cess with bod­ies built to its own de­sign and in­stalled on ex­ist­ing chas­sis. The aero­dy­namic prop­er­ties of the Divo were im­proved by a con­sid­er­able amount of de­tailed work. The front cover is equipped with air in­takes which re­duce the ef­fec­tive cross-sec­tional area of the ve­hi­cle at the same time as en­sur­ing im­proved air flow at the front and in­creas­ing aero­dy­namic ef­fi­ciency. An op­ti­mized “air cur­tain” makes for bet­ter air flow over the front and rear sec­tions of the car’s sides. The newly-de­signed, wide front spoiler pro­vides higher down­force and guides more air to the front air in­lets. The cool­ing sys­tem there­fore re­ceives a higher mass flow and over­all cool­ing per­for­mance is im­proved.

The brakes are cooled by four in­de­pen­dent air sources on each side of the ve­hi­cle, air flows in from the high-pres­sure area above the front bumper, the in­lets on the front wings, one in­let on the front ra­di­a­tor and the dif­fusers ahead of the tyres. Vanes di­rect the cold air from these ar­eas onto the brake discs. A heat shield car­ries the hot air out through the wheels. This means that the brakes do not over­heat, and the tyre tem­per­a­ture is al­ways kept in the op­ti­mum range. This sys­tem, which is al­ready used on the Ch­i­ron, re­ceives ad­di­tional sup­port from the vac­uum gen­er­ated by the air cur­tain on the tyres in the case of the Divo. In ad­di­tion, the wheel arches are ven­ti­lated via slats on the wings.

The roof of the Divo has been de­signed to form a NACA air duct, a flow-op­ti­mized air in­let. In com­bi­na­tion with the spe­cially de­signed en­gine com­part­ment cover, this en­sures a very high air mass flow to the en­gine com­part­ment, play­ing a key role in tem­per­a­ture man­age­ment in this area of the ve­hi­cle.

The rear end of the Divo fea­tures a new, height-ad­justable rear spoiler which func­tions as an air brake when turned for­wards and is set to dif­fer­ent an­gles for the in­di­vid­ual driv­ing modes. The rear spoiler has a width of 1.83 me­tres and is 23 per­cent wider than on the Ch­i­ron. The wider spoiler im­proves ef­fi­ciency and re­sults in higher air brake per­for­mance as well as sig­nif­i­cantly more down­force. The down­force is also boosted by the rear dif­fuser which has been en­tirely re­designed for greater ef­fi­ciency and ac­com­mo­dates four tailpipes. The to­tal down­force gen­er­ated is 456 kilo­grams, 90kg more than on the Ch­i­ron.

The main ob­jec­tive of chas­sis de­vel­op­ment work was to im­prove cor­ner­ing dy­nam­ics of the Divo, for this pur­pose, the cam­ber was in­creased. As a re­sult the max­i­mum speed of the Divo is lim­ited to 380km/h, in con­trast to the Ch­i­ron where there is no Top Speed mode. The steer­ing and sus­pen­sion have been set to en­sure more di­rect re­sponse and sig­nif­i­cantly sportier driv­ing be­hav­iour in all modes.

The Divo is 35 kilo­grams lighter than the Ch­i­ron, the weight re­duc­tion is the re­sult of a num­ber of light­weight de­sign mod­i­fi­ca­tions in­clud­ing new light­weight wheels and a car­bon fi­bre in­ter­cooler cover. Weight was also saved by mod­i­fy­ing the front dif­fuser flaps, a re­duc­tion in the amount of in­su­la­tion ma­te­rial used and the in­stal­la­tion of a lighter sound sys­tem. In or­der to re­duce the weight, stowage com­part­ments on the cen­tral con­sole and in the door, trims have also been omit­ted. The Divo can there­fore lap the Nardò han­dling cir­cuit eight sec­onds faster than the Ch­i­ron.

The de­sign team con­tin­ued the evo­lu­tion of the de­sign el­e­ments for the Divo in line with the de­sign brief and rein­ter­preted the de­sign phi­los­o­phy “Form fol­lows Per­for­mance”. The outer skin of the Divo was de­signed in an un­com­pro­mis­ing way to em­pha­size lat­eral ac­cel­er­a­tion. The main ob­jec­tive

was to achieve op­ti­mum aero­dy­namic and ther­mo­dy­namic ef­fi­ciency. At the same time, the Divo rep­re­sents a new styling ap­proach which the de­sign team has de­vel­oped es­pe­cially for a coach-built Bu­gatti.

Tech­ni­cal in­no­va­tions in the in­te­rior in­clude the seats, which not only fea­ture a new de­sign but of­fer greater lat­eral sup­port. The steer­ing wheel is partly cov­ered with Al­can­tara and has larger pad­dles fit­ted firmly on both sides of the wheel. Thanks to larger arm­rests and calf sup­ports, the cen­tral con­sole en­sures greater com­fort.

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