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A comment on Stanford lab envisions delivery drones that save energy by taking the bus. Parent comment
https://www.hollyspringsnc.us/DocumentCenter/View/23698/Soun...
So say 4m overhead 3m away (5m distance) you have ~80db
https://www.omnicalculator.com/physics/distance-attenuation
Add in the fact that you would feel the prop wash from it and it's going to be a fairly disturbing experience.
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https://www.hollyspringsnc.us/DocumentCenter/View/23698/Soun...
So say 4m overhead 3m away (5m distance) you have ~80db
https://www.omnicalculator.com/physics/distance-attenuation
Add in the fact that you would feel the prop wash from it and it's going to be a fairly disturbing experience.