Thread: AirFlow BulletTruck Project (aerodynamic, modified Class 8 transport doubles MPG)
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Old 03-13-2013, 12:32 AM   #186 (permalink)
Blue Angel
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And this video shows what is likely a key reason for the lack of truck aerodynamic study; no wind tunnels large enough for full scale tests! Here, a rig is tested in a NASA wind tunnel... I don't imagine this facility is cheap to rent:

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