DBRS9

DBRS9 Description

In Production: 2005 – to date

Chassis numbers: DBRS9/X1, DBRS9/101 then DBRS9/1 - DBRS9/26

Aston Martin Racing took the opportunity to unveil the DBRS9 on its stand within the paddock at Le Mans, just a couple of days before the 73rd running of the 24 hour race on 16th June 2005.

Whilst initially aimed at the very top end of the track day market, club racers and National GT championships, the DBRS9 became eligible for then GT3 class of racing. The DBRS9 was a pure race car and not homologated for use on the road.

Whilst the DBRS9 was effectively based on the road car DB9, it had many features of the full GT1 specification DBR9. The two cars have similar chassis, carbon bodywork and suspension lay-out, and the engine and drivetrain were developed by the same team of engineers. The 5.9 litre engine was an uprated version of that fitted to the road car with power up to a very useful 550bhp. But the most significant difference from the road car was that the kerb weight was down to just 1280kg, a massive 480kg weight loss. This was mostly due to the extensive use of carbon composites for body panels and interior trim and also polycarbonate side windows. Common to all three cars was the bonded aluminium tub and aluminium roof panel.

The transmission was a more conventional six speed manual one with floor mounted H pattern change and shorter gear ratios. A six speed sequential gearbox could be fitted as an option. The suspension was lowered and the double wishbone suspension was rose jointed and fitted with two-way adjustable Koni dampers and stiffened competition springs.

Front brakes were a huge 380mm discs with Brembo six piston calipers, the rears were 313mm with four pistons but these could be replaced with carbon brakes as an option. Another option was a passenger seat so the owner/driver could impress (or scare half to death) a potential race team sponsor.

By late November 2005, the first DBRS9 had completed over 3000Km of testing, mostly at the hands of Darren Turner, an AMR works driver, and was considered eligible for the FIA GT3 class. The DBRS9 has competed in the US Speed GT championship and the Nürburgring 24 Hours as well as in the GT3 class.

To date, 1 prototype (X1) 1 works car (101) and 26 production cars have been built by Aston Martin Racing/Prodrive in Banbury.

DBRS9 Specification

Body
Extruded aluminium bonded monocoque
Carbon fibre composite skin panels. Aluminium roof panel
Engine
Modified 6.0 litre, V12 Aston Martin DB9 engine.
Four overhead camshafts, four valves per cylinder
Transmission
6 speed, H-pattern with synchromesh and short ratios
6 speed sequential optional
Maximum power
550bhp @ unknown rpm
Maximum torque
457 lb/ft @ unknown rpm
Steering
Hydraulic power assisted ZF rack and pinion
Dimensions
Length 4687mm
Width 1979mm
Weight 1280kg
Wheelbase 2741mm
Performance
Power to weight ratio: 430bhp/tonne
Acceleration 0-60mph < 4 seconds (approx), 0-100mph < 9 seconds (approx)
Price
Launch price (2005) £205,600 including VAT
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