Christian Horner has explained the worrying impact Red Bull's "Cold War relic" wind-tunnel is having on the F1 team as it struggles to find performance.
Red Bull's wind-tunnel is located in Bedford, and is 70 years old. It was used in the design of the iconic Concorde supersonic aircraft in the 1960s and 1970s, and during the period of tensions between the United States and Soviet Union after the Second World War - the Cold War.
The facility was inherited by Red Bull when it took over Jaguar, but it has not been heavily upgraded, with teams such as McLaren and Aston Martin recently opening brand-new tunnels.
Red Bull has stated it aims to open its new facility by 2026, but for the moment is stuck with the old one - which is causing key problems when trying to correlate wind-tunnel data.
"With stable regulations like this, the benefit of them is that you get convergence, and all the teams are doing a very good job," Horner told Sky Sports F1.
"There are no bad teams in F1, and we've got some vices in the car and with the margins being so close, if you listen to Max's comments, if he is not confident in the car on turn-in, he is having that instability issue which is worth hundredths of a second, which on such a tight grid, is worth multiple places.
"We know when we tidy that up, performance will come, but when you are getting to the finer elements of a set of regulations like this, with the wind-tunnel that we have, which is a relic of the Cold War, it is its limitations.
"Which is why we've invested into a new wind-tunnel which is in the process of being constructed, but with a set of regulations like this, you have a scatter of three points per run, when you are looking for a point, a point-and-a-half [of downforce], that is in the scatter of the read which you get from the tunnel.
"It doesn't help, but we've got some very bright engineers and aerodynamicists and mechanical designers, and I am sure we will figure it out."
Note: Scatter refers to some of the inconsistencies which can be found in data collected by wind tunnels.
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