I just came across this "Darko Tech" wind tunnel and couldn't help but notice the striking similarity to A2. It looks like the control room is in a different spot, but the tunnel itself (and particularly the characteristic orange delta shroud around the fan blades looks too much like A2 to not be a copy (licensed or otherwise). There's much more to a tunnel than just the test section design, but with the wind tunnel world being as small as it is I'm very curious about what is going on here.

Does anyone know anything about how this tunnel was designed/constructed? Has anyone tested here?

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