VIRGIN VR-01 Cosworth

   The origins of Virgin Racing were not directly linked to the Virgin Group conglomerate, but rather to a historic and highly successful British junior-category team: Manor Motorsport, founded by John Booth in 1990 and renowned for helping launch the careers of drivers such as Lewis Hamilton and Kimi Räikkönen in the feeder series. Once the FIA had approved the team's entry into the 2010 championship, John Booth joined forces with investor Graeme Lowdon and Nick Wirth's engineering company, Wirth Research. Wirth was the founder and owner of Simtek Grand Prix, the team that had competed in Formula 1 from 1993 to 1995. At the same time, Sir Richard Branson, owner of the Virgin Group brand, was looking to establish a long-term presence in Formula 1 after sponsoring Brawn GP in 2009 with a relatively modest investment, receiving enormous exposure in return thanks to the team's remarkable victories. At the end of November 2009, Branson formally acquired an 80 per cent stake in Manor, immediately renaming the team Virgin Racing. Both John Booth and Nick Wirth remained part of the team's technical structure, the former as Team Principal and the latter as Technical Director. Wirth Research was entrusted with the design of the fledgling team's first Formula 1 car, the Virgin VR-01.

VIRGIN VR-01, Timo Glock
Valencia, GP of Europe 2010

   Virgin Racing's technical organisation during its debut season in 2010 was characterised by a deliberately lean structure. Unlike most Formula 1 teams, Virgin Racing did not have a conventional in-house technical department or R&D centre at its operational base in Dinnington, South Yorkshire, UK. Instead, the entire design of the car was outsourced to Wirth Research, based in Bicester, Oxfordshire, UK. The key figure at the centre of the entire project was British engineer Nick Wirth, whose company introduced a radical design philosophy. Wirth convinced the team's owners and sponsors that it was possible to design a competitive Formula 1 car without conducting any expensive wind-tunnel testing, relying exclusively on CFD (Computational Fluid Dynamics). Wirth Research employed a dedicated supercomputer capable of simulating millions of fluid cells in order to model the car's aerodynamic behaviour in corners, under braking and in the wake of another car, drastically reducing initial development costs and remaining broadly aligned with the budget cap promoted by the FIA. The lack of real-world correlation, however, proved damaging in the absence of wind-tunnel and track testing, with the virtual data underestimating crucial factors such as drag, internal component cooling and torsional stiffness. One particularly striking example was the technical team's incorrect calculations of the fuel consumption of the Cosworth CA2010 V8 engine. The VR-01's original fuel tank capacity was insufficient to allow the car to complete a Grand Prix at full race pace without running dry before the chequered flag. The technical staff were therefore forced to urgently redesign the central section of the car, requiring the team to request and obtain a special exemption from the FIA to modify the homologated chassis. Wirth's design group in Bicester included Richard Brand, Chief Designer responsible for the VR-01's mechanical integration, chassis and component packaging, as well as Simon Lacey and John McQuilliam, Head of Aerodynamics, who were tasked with developing the aerodynamic surfaces through virtual CFD models. At the Dinnington operational base, meanwhile, Team Principal John Booth handled the team's sporting and organisational activities at the track, while Sporting Director Graeme Lowdon acted as the team's commercial and organisational partner, serving as the link between trackside operations and the ownership.

VIRGIN VR-01, Lucas di Grassi
Montecarlo, Monaco GP 2010 

   The aerodynamics of the Virgin VR-01 represented one of the most controversial and widely discussed experiments in modern Formula 1 history. Technical Director Nick Wirth's firm belief that wind tunnels were an outdated and economically inefficient tool led to the car being designed exclusively through CFD, with its aerodynamic behaviour modelled using high-performance computing clusters capable of simulating the airflow around the chassis across millions of virtual cells. On paper, this approach made it possible to test hundreds of geometric modifications every day at a fraction of the cost of operating a wind tunnel. CFD software, however, simulated idealised airflow conditions and struggled to predict the complex and dynamic phenomena encountered on a real circuit, such as turbulence generated by rotating tyres or the behaviour of the airflow when the car experienced roll, pitch and changes in ride height over bumps and kerbs. From a visual and geometric standpoint, the VR-01 featured several interesting details, influenced partly by the dominant trends of the period and partly by proprietary solutions. The front nose featured the characteristic "V" profile across its upper section, deeply sculpted along the sides and sharply tapered at the tip to channel as much air as possible beneath the chassis. One unusual detail concerned the front brake-cooling ducts, which, rather than being angled upwards as on most single-seaters, pointed downwards in an attempt to draw high-speed airflow directly from beneath the nose. The sidepods were relatively slim, heavily undercut in their lower section to encourage airflow towards the rear of the car and feed the double diffuser. The car was conceived around a "virtual" version of the double diffuser integrated into the floor, but suffered from chronic rear downforce deficiencies because CFD was unable to accurately simulate the turbulent airflow around the rear tyres. In an attempt to compensate for the lack of downforce generated by the floor, the team was forced to run excessively high wing levels, generating enormous drag and compromising top speed on the straights. When the team was forced to lengthen the car's wheelbase in May 2010 to accommodate a larger fuel tank, the entire aerodynamic package was affected, forcing the engineers to urgently redesign the floor and sidepods during the season. Virgin's aerodynamic experiment was judged an immediate failure and ultimately led to Wirth's dismissal at the end of the season. With hindsight, however, the Virgin project had simply anticipated by a decade a trend that would later become standard practice. Today, the FIA imposes strict limitations on wind-tunnel usage, while CFD has become one of the cornerstones of Formula 1 car design.

VIRGIN VR-01, Timo Glock
Interlagos, Brazilian GP 2010

   The mechanical and structural characteristics of the VR-01 were dictated by the need to keep costs to an absolute minimum, relying on external suppliers for key components while also dealing with serious packaging and reliability problems. The chassis was constructed from a carbon-fibre monocoque with aluminium honeycomb, designed and assembled by Wirth Research, and had to be lengthened by approximately 15 cm ahead of the Spanish Grand Prix in Barcelona to accommodate a larger fuel tank. Like all the new teams on the grid, Virgin used the economical Cosworth CA2010 V8 as its power unit. Although undoubtedly reliable, the engine was extremely thirsty, consuming significantly more fuel than the leading V8s used by the established frontrunners. Unlike the top teams, which manufactured their own titanium or carbon-fibre gearboxes, Virgin adopted an "assembler" approach, using Xtrac transmission components and MES (McLaren Electronic Systems) electronics. The front suspension employed the conventional push-rod layout, while the rear adopted a pull-rod configuration, following the example set by Red Bull. The suspension system nevertheless suffered from inadequate torsional stiffness, making it difficult for the car to cope with kerbs, while tyre degradation was also significant because the car struggled to maintain the optimum wheel alignment under load. The braking system also suffered from chronic overheating during the first half of the championship. The air intakes, designed "virtually" with drag reduction in mind, failed to provide sufficient airflow, pushing the carbon brake discs towards critical operating temperatures and causing brake-pad binding and wheel-hub failures.

VIRGIN VR-01, Timo Glock
Yas Marina, Abu Dhabi GP 2010 

   For Virgin Racing's debut season, the team signed an experienced driver in German Timo Glock, arriving from Toyota, alongside young Brazilian Lucas di Grassi, who stepped up from the GP2 series. Their results were heavily compromised by poor mechanical reliability, aerodynamic shortcomings stemming from the absence of wind-tunnel development and the various teething problems associated with the new car. Among the three new teams (Lotus Racing, Virgin and HRT) the VR-01 was often the fastest car over a single qualifying lap, but the least reliable over race distance. At five Grands Prix, neither Virgin managed to reach the chequered flag, while the team's best results of the season were two 14th-place finishes, achieved by Di Grassi in Malaysia and Glock in Japan. Under the FIA's classification system for teams that scored no points, the final order was determined by their best individual results throughout the season. Virgin Racing was therefore classified 12th and last in the Constructors' Championship, a disastrous sporting, commercial and reputational outcome for Richard Branson's first season at the helm of the team.