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Bugatti EB 110
Bugatti EB 110 GT
Overview
ManufacturerBugatti Automobili S.p.A.
Production1991–1995 (139 produced)
AssemblyCampogalliano, Modena, Italy
DesignerMarcello Gandini (prototypes)
Giampaolo Benedini (final design)
Body and chassis
ClassSports car (S)
Body style2-door coupé
LayoutMid-engine, four-wheel drive
RelatedDauer EB 110
Edonis
Powertrain
Engine3.5 L quad-turbo V12
Transmission6-speed manual
Dimensions
Wheelbase2,550 mm (100.4 in)
Length4,400 mm (173.2 in)
Width1,940 mm (76.4 in)
Height1,114 mm (43.9 in)
Kerb weight1,620 kg (3,571 lb)
Chronology
SuccessorBugatti Veyron

The Bugatti EB 110 was a mid-engine sports car produced by Bugatti Automobili S.p.A. from 1991 to 1995, when the company went bankrupt. It was the only production model made by Romano Artioli's Italian incarnation of Bugatti.

History

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ruoteclassiche[1]

evo[2]

road&track[3]

gentemotori[4]

sportauto[5]

The Bugatti EB 110 was first shown in Paris on 14 September 1991, the day before the 110th anniversary of Ettore Bugatti's birth for which it was named.[1] The unveiling took place in La Défense under the Grande Arche; the car then paraded alongside the Champs Élysées to Place de la Concorde, escorted by 100 classic Bugattis. A gala evening in the Palace of Versailles concluded the celebration.[2]

The first production car left the factory in December 1991.[1]

In 1992, a lighter and more powerful model with 450 kW (612 PS) at 8250 rpm, the EB 110 SS ("Supersport") was introduced. This car is capable of 216 mph (348 km/h) and 0-100 km/h (62 mph) in 3.2 seconds.

Early in 1994 Formula One driver Michael Schumacher purchased a yellow EB 110 SS, giving the company a great deal of publicity.[6] Schumacher retained the car until 2003.

Derek Hill, son of American Formula One champion Phil Hill, was one of three drivers on a team that competed with an EB 110 in the United States at the 1996 24 Hours of Daytona.

Hard times hit the company in 1995 and, as result of chairman Artioli's over-ambitious purchase of Lotus in addition to the company's quest to develop the EB112 four door car, the company was bankrupt. Dauer Racing GmbH of Nuremberg, Germany, bought the semi-finished EB 110 cars in the assembly plant plus the parts inventory through the bankruptcy trustee. The remaining chassis and a version of the engine were later developed by B Engineering into their Edonis sports car.

Specifications

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The EB 110 used an entirely purpose-built drivetrain. Engine block, gearbox and final drive housing were incorporated in a single casting—though the lubrication systems were separate—with the gearbox being on the right hand side of the engine.[3] For this reason the engine was shifted 60 mm to the left in respect to the car's centerline.[5]

Engine

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The engine was a four overhead cam, 60-valve (three inlet and two exhaust valves per cylinder) 60° V12, with aluminium alloy block and heads and magnesium alloy carters.[5] Bore and stroke measured 81 mm (3.2 in) and 56.6 mm (2.23 in), for a displacement of 3,499 cubic centimetres (213.5 cu in). It was fed via multipoint fuel injection through twelve individual throttle bodies, and fitted with quadruple IHI turbochargers—two in parallel per each cylinder bank—and dual intercoolers. The engine lubrication system was dry sump, inluded an oil radiator, and used a specially formulated Elf lubricant.[5] Engine output was 560 PS (412 kW; 552 hp) at 8,000 rpm and 611 N⋅m (451 lb⋅ft) at 3,750 rpm in GT specification; 611 PS (449 kW; 603 hp) at 8,250 rpm and 650 N⋅m (479 lb⋅ft) at 4,200 rpm in SS specification. 

Acceleration to 100 km/h (62 mph) takes 3.2 seconds, and the GT has a top speed of 213 mph (343 km/h).[7]

Transmission

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The manual transmission had six speeds, and used dual-cone ZF synchronizers and a single-plate semi-metallic clutch.[4] The all wheel drive system used three differentials, an front open one, a centre epicyclic gearing with a viscous coupling and a Torsen limited slip differential at the rear; the torque split across the axles was 27% front and 73% rear.[5]

Chassis

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The frame was based around a carbon fibre reinforced plastic centre tub built by Aérospatiale. The body panels were fashioned from aluminium, and were bonded or riveted to the frame. Equipped with Gandini's famous lifting scissor doors, it has a glass engine cover that provides a view of the V12 engine along with a speed-sensitive electronic rear wing that can be raised at the flick of a switch.

Suspension was by unequal lenght A-arms front and rear, with coil springs and coaxial dampers, in single pull-rod-operated units at the front, dual at the rear.[8] Brakes were Brembo 322 mm (12.7 in) vented and drilled discs on all four corners, with four-piston fixed calipers.[4][5] Factory-fitted tyres were Michelin Pilot SX MXX3, sized 245/40 ZR18 at the front and 325/30 ZR18 at the rear, on 9J×18" and 12J×18" wheels respectively. The centre-lock alloy wheels were supplied by BBS, and were three-piece forged with magnesium alloy centers on the GT,[5] one-piece 7-spoke cast on the SS.

Performance

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Auto, Motor und Sport tested the 412 kW (560 PS) Bugatti EB 110 with the following results:

  • 0–80 km/h (50 mph): 2.6 s[9]
  • 0–100 km/h (62 mph): 3.6 s[9]
  • 0–140 km/h (87 mph): 6.5 s[9]
  • 0–180 km/h (112 mph): 10.8 s[9]
  • 0–200 km/h (124 mph): 14.0 s[9]
  • Standing kilometre: 21.3 s[9]
  • Top speed: 336 km/h (209 mph)[9]


Road & Track tested a Bugatti EB 110 with 611 bhp:

  • 0–30 mph (48 km/h): 2.2 s[10]
  • 0–40 mph (64 km/h): 2.7 s[10]
  • 0–50 mph (80 km/h): 3.4 s[10]
  • 0–60 mph (97 km/h): 4.4 s[10]
  • 0–70 mph (113 km/h): 5.3 s[10]
  • 0–80 mph (129 km/h): 6.8 s[10]
  • 0–90 mph (145 km/h): 7.8 s[10]
  • 0–100 mph (161 km/h): 9.1 s[10]
  • 0–110 mph (177 km/h): 10.9 s[10]
  • 0–120 mph (193 km/h): 12.6 s[10]
  • Standing 1⁄4 mile (402 m): 12.5 s at 119.5 mph (192.3 km/h)[10]
  • Braking 60-0 mph: 112 ft[10]
  • Braking 80-0 mph: 209 ft[10]

The testers suspected that the acceleration numbers could be lowered considerably by using the clutch more recklessly than they did.[10]

Cars based on the EB 110

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B Engineering Edonis

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Main article: Edonis

The B Engineering Edonis is based on the Bugatti EB 110 SS but has been extensively re-engineered, retaining little more than the carbon-fiber chassis from the original Bugatti. Both the exterior and interior of the car have been completely redesigned. The 3.5 liter Bugatti engine has had its displacement increased from 3500 cc to 3760 cc. The original four small IHI turbochargers have been replaced by two larger units from the same manufacturer. Engine power has been boosted from 450 kW (603 hp) and 650 N⋅m (480 lb⋅ft) of torque to 500 kW (671 hp) at 8000 rpm and 735 N⋅m (542 lb⋅ft).

In addition, the 4WD triple-differential drivetrain from the original Bugatti has been replaced with a much simpler and lighter RWD transaxle, thus saving approximately 70 kg (154 lb) from the total weight. These power figures give the 1,500 kg (3,307 lb) Edonis a power-to-weight ratio of 480 bhp/ton. In addition, the engine's specific power output is an unprecedented 181 bhp/liter. The brand claims a maximum speed of 365 km/h (227 mph), while accelerating from 0 to 100 km/h (62 mph) in 3.9 seconds.

Plans are for B Engineering to build only 21 vehicles from chassis originally built for Bugatti by Aérospatiale (most of the remaining chassis delivered to Bugatti prior to their bankruptcy were delivered to Jochen Dauer when he purchased the assets of the company).

As well as the Edonis, B Engineering also provide spare parts and service for the EB 110.

Dauer EB 110

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Dauer EB 110.

Dauer Sportwagen in Nuremberg, Germany, bought the remaining stock of EB 110 parts from the Bugatti factory.[11] A complete spare parts catalogue, with exploded diagrams and part numbers is now available from Dauer Sportwagen. The company has used the few remaining incomplete chassis to produce the limited edition Dauer EB 110.

The company Dauer Sportwagen went bankrupt in 2008. All original Bugatti parts especially the high performance parts of the EB 110 SS and the equipment were bought in 2011 by the company Toscana-Motors GmbH (Kaiserslautern, Germany).

Motorsport

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The EB 110 participated in the 24 Hours of Le Mans in 1994. The car qualified a very competitive 17th overall and 5th in the GT1 class but did not finish the race. The car is now on display at the Lohéac Automobile Museum.

References

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  1. ^ a b c Delbó, Massimo (April 2012). "Bugatti EB 100 1995—Sette anni a Modena" [Seven years in Modena]. Ruoteclassiche (in Italian) (280). Milan: Editoriale Domus: 36–43.
  2. ^ a b "Bugatti: the untold story". Evo: 88–92. April 2005.
  3. ^ a b Borgeson, Griffith (January 1992). "Bugatti Automobili EB 110". Road & Track: 44–49.
  4. ^ a b c Lucchetti, Roberto (August 1992). "In sella a 550 cavalli" [Riding 550 horses]. Gente Motori (in Italian): 16–23.
  5. ^ a b c d e f g "EB 110 au crible". Sport auto (in French) (376). Arnoldo Mondadori Editore: 28–29. May 1993.
  6. ^ "#39020 (Michael Schumacher's EB 110)". Bugatti EB 110 Registry. Retrieved 2012-01-31.
  7. ^ Davis, Tony (2004). Lemon! 60 Heroic failures of motoring. Sydney: Random House Australia. p. 150. ISBN 1-86325-494-3.
  8. ^ Cite error: The named reference road&track1 was invoked but never defined (see the help page).
  9. ^ a b c d e f g Auto, Motor und Sport 5/1993
  10. ^ a b c d e f g h i j k l m n Road & Track July 1994
  11. ^ "The Bugatti EB 110 Registry - The Dauer EB 110 Supersport". Yo.spc.free.fr. Retrieved 2010-11-28.
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