![Allison Low Speed Noise Fan with Swept / Leaned Stators in 9x15 foot Low Speed Wind Tunnel.](https://www.nasa.gov/wp-content/uploads/2023/03/allison-low-speed-noise-fan-759129.jpg)
Allison Low Speed Noise Fan with Swept / Leaned Stators in 9×15 foot Low Speed Wind Tunnel
Progress toward quieter aircraft: Allison Low Speed Noise Fan with swept/leaned stators mounted in the 9'x15' Low Speed Wind Tunnel.
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https://www.nasa.gov/image-detail/allison-low-speed-noise-fan-with-swept-leaned-stators-9x15-foot-low-speed-wind-tunnel/
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