Aston Martin AMR-One

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Aston Martin
AMR-One at the 6-hour race in Le Castellet
AMR-One at the
6-hour race in Le Castellet
AMR-One
Production period: 2011
Class : race car
Body versions : Roadster
Engines: Petrol engines :
2.0 liters
(403 kW)
Length: 4640 mm
Width: 1990 mm
Height:
Wheelbase : 2930 mm
Empty weight : 900 kg
Previous model Lola-Aston Martin LMP1

The Aston Martin AMR-One is a racing prototype developed by Prodrive and used by Aston Martin in endurance races in 2011 .

development

After Aston Martin Racing in 2009 and 2010 at the factory to on the basis of / 60 Lola B08 constructed Lola-Aston Martin LMP1 in the Le Mans Series and the 24-hour race in Le Mans had used it, first time in 2011 decided to with one of Reason to compete in the LMP1 class based on a newly developed open prototype. The project was first publicly announced in September 2010 by Prodrive owner David Richards with a planned number of six chassis. The name AMR-One could be understood as an homage to the Group C prototype Aston Martin AMR1 from 1989. Due to the revised regulations for the new season, an in-line six-cylinder DOHC turbo engine with 2-liter displacement and direct injection was developed from the Aston Martin DBR9 instead of the previously used 6.0-liter V12 naturally aspirated engine . This engine developed around 403 kW (547 hp) and thus around 60 hp less than the previous year's drive. The power of the mid-engine was transmitted via a transverse 6-speed semi-automatic transmission from the British manufacturer Xtrac, which was also specially developed for the AMR-One. The aerodynamics were developed using CFD simulation and included the "shark fin" in the rear of the vehicle, which was prescribed in the regulations from 2011, which is intended to prevent the racing prototypes from overturning due to the airflow. During the development of the aerodynamics, parts of the chassis, the cockpit instruments and the engine were manufactured with a 3D printer to enable testing of these components in the tight development time frame. Prodrive had already gained experience with this technology in a rally sport project and recognized its potential for vehicle development. Contrary to the competing works teams from Audi Sport and Peugeot, Aston Martin Racing decided to develop an open prototype. The aerodynamic disadvantage should be offset by a better field of vision for the driver, easier driver changes and saved costs that could be invested elsewhere. The car has double wishbone suspension and Koni dampers. The disc brakes with ceramic discs made of carbon fiber reinforced silicon carbide come from Brembo . Tire partner was Michelin .

Racing history

First tests and Le Castellet

Aston Martin AMR-One in the Le Mans pre-test

At the beginning of March 2011, the AMR-One, which was completed after a few months of development, was presented to the public and tested for the first time. The first racing test drives took place in mid-March with Stefan Mücke at the wheel on the Snetterton Circuit . In the run-up to the 24 Hours of Le Mans, three AMR One chassis were built in early 2011, one of which was to be used in the Intercontinental Le Mans Cup and two more at selected racing events. The initially planned first outing at the Sebring 12-hour race in 2011 was not possible. The racing debut of the AMR-One was therefore on April 3, 2011 at the first round of the Le Mans Series in Le Castellet. After a timed training lap could not be driven on Friday, April 1st due to a misfire, Stefan Mücke drove in the qualification the next day with 1: 52.267 minutes on the start position 11. The AMR-One was by far the slowest LMP1 vehicle. 5.484 seconds slower than the first-placed Lola B10 / 60 of the private team Rebellion Racing . Because Pescarolo, who initially came second , was moved to the end of the field because of a violation of the regulations, the Aston Martin advanced and started the race from 10th on the grid. In a press release after qualifying, team principal George Howard-Chappell spoke of a few revealing laps in the very early development phase of the vehicle. In the race, as in practice, there were problems with the engine management system, which resulted in misfires and excessive exhaust temperatures, so that the vehicle had to pit several times early on. At the third unscheduled stop after 96 laps, the AMR-One was withdrawn to avoid major damage to the engine.

Originally two Aston Martin AMR-One cars were registered for the 1000 km race at Spa-Francorchamps in May 2011 , but they did not take part in the event. Instead, away from the competition, work should continue to rectify the engine problems.

Le Mans

Aston Martin AMR-One in the 3rd qualifying practice of the 24h Le Mans 2011

After an extremely short preparation period plagued by problems, Aston Martin Racing traveled to the 24-hour race in Le Mans in June with two AMR-One cars . The first vehicle with the starting number 007 was driven by Christian Klien , Stefan Mücke and Darren Turner . The drivers of the second vehicle with starting number 009 were Adrián Fernández , Andy Meyrick and Harold Primat . The team used the training runs to collect data, improve the aerodynamic setup and test fuel consumption and tire pressure. During the night training on Thursday there was a collision between Christian Klien and a Ferrari 458 GTE driven by Anthony Beltoise after a vehicle had lost oil on the Mulsanne section . It has been suggested that this oil came from the AMR-One that had engine problems. At the end of the training session, engine failure occurred again on # 007. During the subsequent inspection of the vehicle, the mechanics discovered that the aluminum pulley of the alternator had cracked. The defective parts were then replaced by more stable parts made of steel. The AMR-One with the # 009 also had a minor defect in a previous qualifying session, but it was fixed before the night qualification started. In the qualifying runs, the two AMR-One cars did not get past times of 3: 45.918 minutes (# 007) or 3: 48.355 minutes (# 009) and were therefore over 20 seconds slower than the pole setter from the Audi Sport Team Joest .

Aston Martin AMR-One # 009 in night qualification

On Saturday, June 11th, 2011, the two Aston Martins started from positions 22 and 25 amidst participants in the subordinate LMP2 class. After nine minutes, Darren Turner spun while lying in 22nd place in the first chicane of the Hunaudières straight and then had to be pushed out of the gravel by marshals, causing him to lose a few minutes. At the same time, the sister car with the # 009 with a V-belt damage also rolled out on the Hunaudières straight. After the car with the # 007 was freed from the gravel bed, Darren Turner drove slowly back to the pits with a puncture. He had to move onto the grass at the exit of the Mulsanne curve to make way for the rapidly approaching lead group. In the 21st minute of the race, Turner reached the pit lane, where the car was pushed straight into the pit garage in order to enable any more extensive work that might be necessary. During the safety car phase triggered by the serious accident between Audi driver Allan McNish and a GTE Ferrari, the # 007 Aston Martin, which had only recently been driven out of the pits, was returned to the pits with a defect. After a few hours of unsuccessful repair work, Aston Martin Racing finally withdrew the last remaining AMR-One from the race. Again, the reason for failure was the same V-belt damage. As it turned out later, the more stable steel belt pulleys believed to be the solution to the problem caused the load to be shifted to the V-belts, the failure of which led to the early retirement of both vehicles. Combined, the two AMR-One covered a distance of only 80 kilometers in Le Mans.

Premature end

After the disappointing Le Mans weekend, David Richards announced in June 2011 that it was currently being checked whether Aston Martin would take part in the next ILMC round in Imola . One of the two AMR-One was on the entry list, but it did not appear on the track on the first weekend in July. Shortly thereafter, Aston Martin announced that it would be withdrawing the AMR-One from the current season and re-evaluating the program. Of the seven races originally planned, the Aston Martin AMR-One was ultimately only used in two events. In the remaining ILMC races at Silverstone , Road Atlanta and Zhuhai , Aston Martin Racing competed with the previous model Lola-Aston Martin LMP1, which proved to be significantly more competitive. As a possible reason for the failure of the project, David Richards cited the capacity utilization of his company Prodrive in this phase, which was busy developing the Mini John Cooper Works WRC parallel to AMR-One .

Of the originally planned seven chassis, only three were produced. One of the chassis was later used as the basis for the DeltaWing racing prototype.

Technical specifications

Aston Martin AMR-One
Vehicle type Le Mans prototype (LMP1)
chassis  Carbon monocoque with steel frame
Engine type R6 DOHC gasoline engine with direct injection and turbocharging,
4 valves per cylinder
Motor arrangement  longitudinally installed mid-engine
Drive type Rear wheel drive
Displacement 2000 cc
power 403 kW (547 hp)
Engine control  Cosworth ECU including data system and telemetry,
wiring harness and contacts according to military standards
transmission Sequential, pneumatically operated 6-speed racing transmission (transverse)
suspension  Double wishbone, pushrod suspension,
Koni damper with triple spring front and rear, anti-roll bars
front and rear
Wheels (front) forged magnesium rims, 36/71 x 18
Wheels (rear) forged magnesium rims, 37/71 x 18
Tires  Michelin racing tires
Brakes 6-piston brake calipers,
CFRP brake discs and pads front and rear
Ø brake discs (v / h) 380 mm / 355 mm
length 4640 mm
width 1990 mm
wheelbase 2930 mm
Weight min. 900 kg

Individual evidence

  1. ↑ ASTON MARTIN AMR-ONE DEVELOPMENT UPDATE - LE MANS. In: astonmartin.com. June 9, 2011, accessed March 7, 2019 .
  2. ^ Robert Nguyen: Broken Wings - 2011 Aston Martin AMR One. In: carmrades-blog.com. Retrieved March 8, 2019 .
  3. ↑ Ben Pulman: Aston Martin Racing AMR-One (2011) the new Le Mans 24hrs racer. In: carmagazine.co.uk. March 2, 2011, accessed March 8, 2019 .
  4. ^ Matthew Hayward: Aston Martin Racing launches new AMR-One race car. In: evo.co.uk. March 2, 2011, accessed March 7, 2019 .
  5. ↑ Heiko Stritzke: How the LMP1 cars forgot how to fly. In: motorsport-total.com. April 28, 2017. Retrieved March 7, 2019 .
  6. ↑ Sam Collins: Aston Martin AMR-One. In: racecar-engineering.com. Retrieved March 7, 2019 .
  7. ↑ Sam Collins: Aston Martin AMR-One. In: racecar-engineering.com. Retrieved March 7, 2019 .
  8. ^ Roman Wittemeier: Aston Martin AMR-One: Belated Debut. In: Motorsport-Total.com. March 2, 2011, accessed March 8, 2019 .
  9. ^ Roman Wittemeier: Aston Martin tests AMR-One in Snetterton. In: Motorsport-Total.com. March 17, 2011, accessed March 8, 2019 .
  10. ↑ Harald Gallinnis, Maximilian Graf & Rudolf Periny: 6h Le Castellet - Free training on Friday. In: GT-Eins.de. Retrieved March 7, 2019 .
  11. ↑ Harald Gallinnis, Maximilian Graf & Rudolf Periny: 6h Le Castellet - Qualifying. In: GT-Eins.de. Retrieved March 7, 2019 .
  12. ↑ SOLID PROGRESS AT PAUL RICARD WITH NEW ASTON MARTIN AMR-ONE. In: astonmartin.com. April 2, 2011, accessed March 8, 2019 .
  13. ↑ Oliver Runschke: Great comeback for Pescarolo. In: speedweek.com. April 3, 2011, accessed March 7, 2019 .
  14. ↑ Harald Gallinnis, Maximilian Graf & Rudolf Periny: 6h Le Castellet - 1st half of the race LMP. In: GT-Eins.de. Retrieved March 7, 2019 .
  15. ↑ Mücke confident after its premiere in the AMR-One. In: Motorsport-Total.com. April 5, 2011, accessed March 8, 2019 .
  16. ↑ Harald Gallinnis, Maximilian Graf & Rudolf Periny: 6h Le Castellet - 2nd half of the race LMP. In: GT-Eins.de. Retrieved March 7, 2019 .
  17. ^ Roman Wittemeier: Spa-Francorchamps: The big show on Saturday. In: Motorsport-Total.com. May 4, 2011, accessed March 7, 2019 .
  18. ↑ Le Mans: Qualifying thriller over! In: Motorsport-Total.com. June 10, 2011, accessed March 8, 2019 .
  19. ^ Harald Gallinnis, Maximilian Graf and Jan Hettler: 79th 24h of Le Mans 2011 - 1st racing district. Retrieved March 9, 2019 .
  20. ↑ 2011 Le Mans 24 Hours Eurosport coverage Part 1 HD. In: YouTube.com. November 4, 2016, accessed March 9, 2019 .
  21. ↑ Mario Fritzsche: Is Aston Martin putting the AMR-One on ice? In: Motorsport-Total.com. June 16, 2011, accessed March 8, 2019 .
  22. ^ Roman Wittemeier: AMR-One: Aston Martin pulls the rip cord. In: Motorsport-Total.com. July 29, 2011, accessed March 8, 2019 .
  23. ↑ Aston Martin Racing presents new AMR-One racing car. In: Autosieger.de. Retrieved March 8, 2019 .
  24. ↑ Complete Archive of Aston Martin AMR-One. In: racingsportscars.com. Retrieved March 8, 2019 .
  25. ↑ Complete Archive of Lola Aston Martin DBR1-2 (page 2). In: racingsportscars.com. Retrieved March 8, 2019 .
  26. ↑ Oliver Runschke: 12h Sebring: Deltawing becomes a fighter jet. March 14, 2012, accessed March 9, 2019 .
  27. ↑ AMR-One Spec Sheet Portrait. In: astonmartin.com. Retrieved March 7, 2019 .