Vertical Spin Tunnel Celebrates 80 Years of Research – NASA https://www.nasa.gov/aeronautics/vertical-spin-tunnel-celebrates-80-years-of-research/
In 1941, engineers began conducting the first research tests in a newly constructed 20-foot Vertical Spin Tunnel (VST) located here at NASA’s Langley Research
“Air flow drawn-up through fan blades, allows the model to fall in place so we can