![]() There are minimal blockage effects which can affect the quality of the airflow.There are no flow-disturbing connection elements holding the car in place, as would be the case in a wind tunnel.The asphalt and therefore tyre behaviour is more realistic as opposed to a partial or full moving floor in a wind tunnel.The engine and other components are running at true operating temperatures.From an aerodynamics point of view, it offers many advantages over testing in a wind tunnel: Real world testing such as on a test track or proving ground is an important element in vehicle development programmes. CREDIT: How does it compare to road testing? It's large width makes it ideal for an aerodynamic test facility. The Victorian engineers couldn’t have done much more to make it perfect for an aerodynamic test facility. So for each 176m travelled, the height only changes by 1m, which is particularly useful for repeatable testing. This results in a cross-sectional area of 40m².Īnother impressive statistic is the gradient of the track bed, which is a constant 1:176. In fact, it's width is more than double that of conventional tunnels at that time, pushing Victorian construction to the limit. The tunnel is 2.7km (1.7 miles) in length and 8.2m wide which is unusually wide for a tunnel in the Victorian era. ![]() The Aero Research Partners Ltd is made up of TotalSim, a private investor and an automotive OEM. A science and technology park will also be built adjacent to the tunnel, offering CFD, 3D scanning and other services. CREDIT: In 2013, the Aero Research Partners Ltd initiated the design phase to convert the disused railway tunnel into a state-of-the-art vehicle testing facility. A roadcar testing in the refurbished Catesby Tunnel. ![]()
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