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1999 - Le Mans - Perry McCarthy goes off into a slip road...
1999 - Le Mans - Perry McCarthy goes off into a slip road...
Published: 2009/01/02
Channel: lemanslegend
1999 - Le Mans - The Audi R8C finally succumbs
1999 - Le Mans - The Audi R8C finally succumbs
Published: 2009/01/02
Channel: lemanslegend
Assetto Corsa - Audi R8C Le Mans 1999 at Circuit Barcelona-Catalunya
Assetto Corsa - Audi R8C Le Mans 1999 at Circuit Barcelona-Catalunya
Published: 2016/04/28
Channel: GTMVirtua
LMP Audi R8C 1999
LMP Audi R8C 1999
Published: 2017/02/20
Channel: VirtuaSportsCars
AUDI R8c
AUDI R8c
Published: 2009/08/21
Channel: Maurizio Ferrari
Audi R8C
Audi R8C
Published: 2016/03/12
Channel: Вокруг света TV
Miami: Bayfront Park onboard Audi R8C
Miami: Bayfront Park onboard Audi R8C
Published: 2014/02/18
Channel: kvakoslovak
LE MANS 24h AUDI R8C GAMEPLAY 7 (HD)
LE MANS 24h AUDI R8C GAMEPLAY 7 (HD)
Published: 2010/03/25
Channel: MefistO Gamer
AUDI R8C vs Porsche 962
AUDI R8C vs Porsche 962
Published: 2008/11/10
Channel: jerome remy
Best Le Mans - Audi R8C
Best Le Mans - Audi R8C
Published: 2016/07/23
Channel: Fredy LM
Audi R18 2014 Pre Le Mans Spa Race Engine Sound In Car LMP 2014 Commercial Carjam TV HD
Audi R18 2014 Pre Le Mans Spa Race Engine Sound In Car LMP 2014 Commercial Carjam TV HD
Published: 2014/05/30
Channel: CARJAM TV
Audi Taunts Porsche At Their Factory! Great Le Mans Commercial Funny Car Ad CARJAM TV 2014
Audi Taunts Porsche At Their Factory! Great Le Mans Commercial Funny Car Ad CARJAM TV 2014
Published: 2014/06/13
Channel: CARJAM TV
Slot.it "Crocodile" Audi R8
Slot.it "Crocodile" Audi R8
Published: 2017/02/03
Channel: Homeracingworld
GT4 Bentley Speed 8 Test Run
GT4 Bentley Speed 8 Test Run
Published: 2012/06/21
Channel: John Thrift
AUTORAMA AUDI R8C R.A.W. #08
AUTORAMA AUDI R8C R.A.W. #08
Published: 2009/09/21
Channel: mlvideos0205
Toyota GT One vs Audi R8C ASES
Toyota GT One vs Audi R8C ASES
Published: 2008/07/21
Channel: Nicolás Cuesta González
Peintures perso Audi R8C slot it
Peintures perso Audi R8C slot it
Published: 2012/12/14
Channel: Brice Gibert
Slot.it Audi R8C "Reloaded"
Slot.it Audi R8C "Reloaded"
Published: 2008/06/10
Channel: Methuselah777
Slot.it Audi R8C Running
Slot.it Audi R8C Running
Published: 2008/03/28
Channel: BreakawayPaul
Aud R8C "Ghostbusters" - Innenraumbeleuchtung
Aud R8C "Ghostbusters" - Innenraumbeleuchtung
Published: 2011/04/23
Channel: John Q
Slot - Toyota GT-One de Scaleauto vs. Audi R8c de Slot.it
Slot - Toyota GT-One de Scaleauto vs. Audi R8c de Slot.it
Published: 2008/09/11
Channel: gusano300
Slotcar Brake Stand Reaper
Slotcar Brake Stand Reaper
Published: 2010/12/23
Channel: CannyonSpringsSCC
3:39 1999 Audi R8C La Mans Slot Car from Slot It [Part 1]
3:39 1999 Audi R8C La Mans Slot Car from Slot It [Part 1]
Published: 2015/06/01
Channel: Dirk's NUMA Files
Nissan R89C - Nürburgring - GT4 - Nordschleife
Nissan R89C - Nürburgring - GT4 - Nordschleife
Published: 2008/07/27
Channel: Ksinix
Video Answer to Dirk Pitt for his Slot.it Audi R8C
Video Answer to Dirk Pitt for his Slot.it Audi R8C
Published: 2015/06/01
Channel: JAY DEE's HOBBYs
Timo Scheider Audi R8 V10 Drift 2014
Timo Scheider Audi R8 V10 Drift 2014
Published: 2014/08/07
Channel: Jcass Jbl
Audi R8C "night" run
Audi R8C "night" run
Published: 2008/04/05
Channel: BreakawayPaul
Test Slot.it Audi R8C
Test Slot.it Audi R8C
Published: 2011/01/11
Channel: PepaVich
GTR2 - Tentative lap in the R8C
GTR2 - Tentative lap in the R8C
Published: 2013/04/18
Channel: MajorHobbit
Tom Kristensen
Tom Kristensen's Bentley Speed 8 | LeMans Winner 2003 | Race Retro 2017
Published: 2017/03/14
Channel: vfsvideos
Assetto Corsa - LMP with Peugeot 908 Hibrid4 2011, Audi R8C 1999 and Audi R8R 1999
Assetto Corsa - LMP with Peugeot 908 Hibrid4 2011, Audi R8C 1999 and Audi R8R 1999
Published: 2016/04/17
Channel: GTMVirtua
Slot cars going down the straight away
Slot cars going down the straight away
Published: 2014/04/13
Channel: fishhobbie
Le Mans 24 Hours - Road Atlanta - Audi r8c PS2
Le Mans 24 Hours - Road Atlanta - Audi r8c PS2
Published: 2012/10/19
Channel: Bogos Ferenc
Assetto Corsa - Assetto Garage - Audi R8C LMP 1999 @Nordschleife T500RS 60FPS (Cockpit-Cam)
Assetto Corsa - Assetto Garage - Audi R8C LMP 1999 @Nordschleife T500RS 60FPS (Cockpit-Cam)
Published: 2016/04/16
Channel: Assetto Corsa Fanboy
Nissan R89C - Opera Paris - Granturismo 4
Nissan R89C - Opera Paris - Granturismo 4
Published: 2008/07/27
Channel: Ksinix
AUTORAMA SLOT.IT AUDI R8C #34
AUTORAMA SLOT.IT AUDI R8C #34
Published: 2012/03/25
Channel: mlvideos8405
Assetto Corsa - Assetto Garage - Audi R8C LMP 1999 @Nordschleife T500RS 60FPS (TV-Cam)
Assetto Corsa - Assetto Garage - Audi R8C LMP 1999 @Nordschleife T500RS 60FPS (TV-Cam)
Published: 2016/04/16
Channel: Assetto Corsa Fanboy
Assetto Corsa - Audi LMP1 R8C 1999 -  Spa-Francorchamps
Assetto Corsa - Audi LMP1 R8C 1999 - Spa-Francorchamps
Published: 2016/04/17
Channel: GTMVirtua
SLOT IT. AUDI R8C SNETTERTON W/FAN pt.1
SLOT IT. AUDI R8C SNETTERTON W/FAN pt.1
Published: 2011/05/28
Channel: dcilk01
AUTORAMA SLOT.IT AUDI R8C - Le #25
AUTORAMA SLOT.IT AUDI R8C - Le #25
Published: 2011/11/12
Channel: mlvideos3823
rFactor - Audi R8C - Rosario
rFactor - Audi R8C - Rosario
Published: 2013/04/02
Channel: aosudif
Slot.it Audi R8 - Le Mans Winners Collection
Slot.it Audi R8 - Le Mans Winners Collection
Published: 2017/01/12
Channel: Homeracingworld
217mph Bentley Speed 8  Le Mans winner driven
217mph Bentley Speed 8 Le Mans winner driven
Published: 2014/03/01
Channel: NamiocciGT
2015 Le Mans Cockpit In Detail Audi R18 Le Mans 2015 Race Car Commercial CARJAM TV HD
2015 Le Mans Cockpit In Detail Audi R18 Le Mans 2015 Race Car Commercial CARJAM TV HD
Published: 2015/06/14
Channel: CARJAM TV
Assetto Corsa - Driving in the Morning Sun of Le Mans
Assetto Corsa - Driving in the Morning Sun of Le Mans
Published: 2014/10/09
Channel: Stadtaffe
Audi R8 2016 Review Tom "Mr Le Mans" Kristensen Le Mans 2015 Fastest Lap CARJAM TV
Audi R8 2016 Review Tom "Mr Le Mans" Kristensen Le Mans 2015 Fastest Lap CARJAM TV
Published: 2015/06/14
Channel: CARJAM TV
Audi R18 In Detail 2015 Le Mans Race Car Audi R18 etron Quattro Infographic Commercial CARJAM TV HD
Audi R18 In Detail 2015 Le Mans Race Car Audi R18 etron Quattro Infographic Commercial CARJAM TV HD
Published: 2015/06/14
Channel: CARJAM TV
New Audi R18 QUATTRO Cool 2013 Commercial Le Mans eTron -2013 Carjam TV HD Car TV Show
New Audi R18 QUATTRO Cool 2013 Commercial Le Mans eTron -2013 Carjam TV HD Car TV Show
Published: 2012/03/05
Channel: CARJAM TV
Slot fahren
Slot fahren
Published: 2010/05/08
Channel: 24AOS
Project CARS - Bentley Speed 8 on 24H Le Mans
Project CARS - Bentley Speed 8 on 24H Le Mans
Published: 2015/07/05
Channel: Goose37117
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WIKIPEDIA ARTICLE

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Audi R8C
1999 Audi R8C at Le Mans Classic 2010.jpg
Audi R8C at Le Mans Classic 2010
Category LMGTP
Constructor Audi
Designer(s) Peter Elleray
Technical specifications
Engine Audi 4.0 litre 90-degree V8 twin-turbo,
Competition history
Notable entrants Audi

The Audi R8C is a Le Mans Prototype racecar that was built by Audi and designed by Peter Elleray to compete in the 1999 24 Hours of Le Mans under the LMGTP category. It was developed alongside the open Audi R8R LMP category spyder, prior to being replaced by the all-new Audi R8 in 2000.

Development[edit]

In 1998, when Audi announced its intention to enter the 1999 24 Hours of Le Mans, the plan was to enter only an open-cockpit prototype, known as the Audi R8R. However, following the dominant performance of GT1-class cars in the 1998 24 Hours of Le Mans, the race organizers, the Automobile Club de l'Ouest (ACO), had faced a problem. The GT1 cars had transformed over the past few years from race versions of supercars, as the rules intended, into purpose-built closed cockpit prototypes where one car was modified to be a street legal "production" showcar as almost an after thought. Though these cars were within the GT1 rules, they were not at all what the ACO had intended for the category.

Consequently, the ACO modified classification rules for 1999. In GT ranks, the GT1 category was replaced with the GTS category. The GTS class was far more restrictive on modifications, appearance and meeting a set number of production cars than GT1, but still allowed manufacturers to race sportscars that may otherwise be uncompetitive without major modification. Additionally, in order to address advances and popularity of old GT1 class cars, the ACO created the LMGTP category. The LMGTP category would be for closed cockpit prototypes, which gave a place for the previous GT1 cars, but, under prototype rules now, also freed from certain "production car" restrictions that they had been under in the GT1 category. Under these new rules, LMGTP closed-cockpit cars, with better aerodynamics than open LMP cars, and freed of the GT1 restrictions, had the very real potential of dominating the 1999 24 Hours of Le Mans.

Toyota and Mercedes both committed to either modifying existing cars or building brand new cars to take advantage of the new rules. With these developments in mind, Audi decided that it should invest in this new LMGTP class along with the R8R LMP program, hence the appearance of the R8C project.

Unlike the R8R, for which Audi had turned to Dallara, they instead looked to Racing Technology Norfolk (RTN) to design and develop the new R8C. RTN assigned Peter Elleray the task, while Tony Southgate consulted on the project.

The R8C and R8R both use the 600 hp (450 kW) 3.6 litre twin-turbocharged V8 engine, but are radically different aerodynamically. While the R8R has a large number of vents placed on the nose, most of the intakes and air exits on the R8C are placed on the sides. The R8C also has thinner wheel arches, partially due to LMGTP rules, at the time, that stipulate the LMGTP cars use thinner tires than the LMP cars in order to off-set the better aerodynamic efficiency, and thus higher top speeds, of the LMGTP cars. Additionally, using a styling feature borrowed from the Toyota GT-One, the inside of the front wheel arches of the R8C are open, so that air does not build up in the wheel wells, and to benefit brake cooling. Like most, if not all other LMGTPs of the time, the cockpit is long, gradually sloping to maximise aerodynamic efficiency. Uniquely, though, the minimum roof height was achieved with the use of raised humps above the driver's position, so that there is a trough down the center of the roof to allow for more air to reach the rear wing. The rear of the car features a boxy, blunt tail that was developed from the improved R8R, however, it is longer in order to better maximize the R8C's aerodynamics.

Racing history[edit]

Unlike the R8R, which was able to complete a full testing program, the R8C was completed late and had very little test time prior to the 24 Hours of Le Mans group test in May. Consequently, the cars suffered numerous setbacks and lacked pace both compared to the R8Rs and overall. The R8Cs were capable of hitting speeds upward of 350 km/h (217 mph) on the Mulsanne Straight, but they lacked handling stability compared to other cars and hence lacked overall speed across a full lap. While the R8Rs managed the 8th and 11th fastest times, the R8Cs could only manage the 22nd and 28th fastest times. Many of the R8Cs' problems stemmed from aerodynamic instability, which, besides creating handling difficulties, was causing a build-up of air underneath the engine cover. This issue caused the R8Cs to lose their rear engine covers on several occasions while at speed.

Audi Sport UK was unable to significantly improve the R8Cs in the month between the test and the actual race. Qualifying for the 24 Hours of Le Mans produced very similar results to the test in the case of the R8C. Car no. 10 only qualified 20th, while car no. 9 was even further behind in 23rd. Conversely, the R8Rs were able to qualify 9th and 11th. During the race, both the R8Rs and R8Cs suffered numerous gearbox difficulties, but Audi Sport Team Joest was better able to cope with the issues on the R8Rs compared to Audi Sport UK with the R8Cs. Car no. 9 was forced to drop out of the race after just 55 laps with gearbox woes, while the car no. 10 succumbed to gearbox failure after the midpoint of the race, on lap 198. In contrast, both R8Rs finished the race despite their gearbox difficulties, finishing in 3rd and 4th place, 5 and 19 laps behind the winning car respectively.

After Le Mans, Audi decided it would concentrate on only one of the two projects going forward. The dismal performance of the R8C, combined with the exodus of all the other manufacturers from the LMGTP class, led Audi to focus on developing the R8R. This would lead to the Audi R8 (race car), which would win Le Mans a total of 5 times between 2000 and 2005.

However, Audi would return to the LMGTP class in 2001 with the Bentley EXP Speed 8. Although similar visually to the R8C, the Bentley EXP Speed 8 was a fresh design other than the Audi engine which powered it and the aerodynamic lessons learned from the R8C. In 2003, the Bentley Speed 8, the evolution of the EXP Speed 8, and, somewhat the spiritual successor of the R8C, won Le Mans. This made the Speed 8 the only car to beat the Audi R8 - the direct evolution of the Audi R8R - at the 24 Hours of Le Mans.

Only two R8Cs were ever built, chassis #101 (car no. 10) and #102 (car no. 9). Both were raced by Richard Lloyd's Audi Sport UK. The 1999 24 Hours of Le Mans was the only competition in which the R8Cs were entered .

Audi would return to a closed-cockpit LMP1 car for 2011 24 Hours of Le Mans in order to best take advantage of new regulations provided by the ACO. The car, the R18, would win the race.

See also[edit]

External links[edit]

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