Selasa, 31 Maret 2009

Official Aston Martin One-77 document reveals design process, more details

Aston Martin One-77 official image

The era of epic supercars is certainly not over at Aston Martin, with the carmaker confirming the development of a brand new flagship model late last year. A life-size mock up was then put on display at the 2008 Paris Motor Show to tease the public and start building interest for the car, which is estimated to cost a cool £1.2 million. A technical design showcase at last week’s Geneva Motor Show revealed more about the car, and today an official Aston Martin document has been leaked detailing the car's technical and design details.

The key information to be gleaned from the PDF document leaked by 925 comes in picture form, though some of the text is informative as well. We already knew the limited-edition supercar was destined to be almost completely unique, but Aston reveals in the document that the only engine parts shared with the company's 6.0L V12 is the timing chain and sprocket arrangement - the engine is otherwise all-new from the bottom up.

Check out the new photos in the gallery below for sketches of the interior design, though a glimpse of the interior was revealed in Geneva last week.

Aston Martin presented the bare chassis of the first production version of the One-77 in Geneva in an attempt to showcase the engineering and design expertise behind the bespoke supercar. After all, the One-77 is being built not just as a halo car, but as an ultra-halo car, a sort of rekindling of the legacy of Aston Martin, plus a projection of the brand into the future. It's designed to be the most quintessential Aston Martin ever, and the most perfectly personalized car available.

The structural core of the One-77 is a lightweight and immensely rigid carbon-fiber monocoque. Conceived and designed at Aston Martin's Gaydon HQ, the monocoque, or 'tub', has been built in partnership with Multimatic (MTC) – a world leader in carbon composite technology.

Attached to this tub is a set of double wishbones at each corner, with pushrods employed to transfer vertical suspension movements to the horizontally mounted spring/damper units.

The dampers are fully adjustable and feature advanced Dynamic Suspension Spool Valve (DSSV) technology - a world-first for a road car application. These special valves use high-precision machined components to enable the shock-absorbing characteristics of the damper to be changed without having to remove them from the car.

Underlining the truly bespoke nature of the One-77, the car's suspension characteristics will be precisely set-up by Aston Martin engineers to suit the owner’s exact requirements.

The One-77's power unit is an extreme evolution of the 6.0L V12 engines fitted to the DBS, DB9 and new V12 Vantage models. The brief for engine team was to take the 6.0L V12 as far as it could go, both in terms of output and weight reduction. The targets were a power output of no less than 700hp (522kW) with a 10% reduction in engine mass. Incredibly, the Aston Martin and Cosworth engineers who worked on the powertrain achieved a mass reduction of some 25% while increasing displacement to 7.3L.

Wearing Pirelli P Zero Corsa tires (255mm up front and 335mm up back) developed specifically for it, all 700hp is transmitted to the road through the rear wheels via a new six-speed gearbox. Controlled via column-mounted paddles behind the steering wheel, this robotised sequential manual is a new generation of Aston Martin's familiar automatic.

Stopping power comes from a set of carbon-ceramic discs and uprated calipers designed to transmit less heat from the brake pads into the brake fluid.

With a projected weight of 1,500kg the One-77 will occupy the very highest echelons of road car performance. Top speed is predicted to be in excess of 200mph, with a 0-60mph time in approximately 3.5 seconds.

The custom-built nature of the One-77 echoes personalization programs recently undertaken by Lamborghini and Ferrari. Buyers will be able to customize every single part of the car, from the gearbox to the interior trim elements. Even the seats will be tailored to fit the driver and passenger’s individual curves. As the company CEO Ulrich Bez explains, the car should fit the owner like a tailored suit.

The next stage in its development will be the performance and durability phase so expect some exciting spy footage in the coming months.

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