By Stewart Smith on 2017-11-16 - Stewart was the former motoring editor of the Coventry Telegraph and is now a freelance contributor to Eurekar. He is based in Scotland and specialises in First Drive reviews.
Fastest ever Aston
THIS is the Aston Martin Valkyrie AMR Pro, an extraordinary track-only evolution of the most extreme Aston Martin in history with a top speed touching 250mph.
It is the brainchild of Adrian Newey - the most successful Formula One designer of all-time - and the product of the collaboration between Aston Martin, Red Bull Advanced Technologies and project partner AF Racing.
Just 25 Aston Martin Valkyrie AMR Pros will be built. Deliveries are expected in 2020 but it's too late to order one. All cars are sold - and the price of the supercar has not been revealed.
The hypercar's naturally-aspirated 6.5-litre Cosworth-built V12 engine develops more power and torque than any other Aston Martin - exact figures are still to be released.
The AMR Pro runs on 18-inch wheels in order to facilitate the fitment of Michelin racing tyres, which are made to the same specification as those used by LMP1 cars in the World Endurance Championship.
The AMR Pro also features F1inspired race-spec carbon-carbon brakes as their performance characteristics are perfectly suited to the extremes of track use.
The opportunity has also been taken to make weight savings, both through the removal of extraneous items such as the heater/de-mister blower and infotainment screens fitted to the road car, and through the fitment of new ultra-lightweight track-specific components.
These include polycarbonate windscreen with heater elements and side windows, a lighter construction of carbon fibre bodywork, new suspension uprights and carbon fibre wishbones, plus moulded race seats in place of the adjustable road car items.
The result is a mind-blowing car with a top speed predicted to be close to 250mph, coupled to the ability to sustain cornering forces in excess of 3.3g and braking deceleration of more than 3.5g.
According to Red Bull Technology's extensive simulation work the Aston Martin Valkyrie AMR Pro will be capable of achieving lap times to rival those of a contemporary F1 or LMP1 car - pace previously unthinkable in a car derived from a fully homologated road car.
Newey, who is Red Bull Technology's chief technical officer, said: "While it is endowed with extraordinary performance, it has always been vitally important to me that the Valkyrie functions well as a true road car, and that naturally comes with some constraints.
"However, while the core elements of the road and track versions are shared, every aspect of the AMR Pro - aerodynamics, chassis, powertrain and weight - has been optimised to significantly extend the performance envelope. It offers a level of track performance significantly beyond any previous two seat closed roof car."
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