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What is a 'toroidal propeller' and could it change the future of drones? An expert explains
(theconversation.com)
this post was submitted on 13 Jun 2023
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Technology
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I saw someone 3D print a toroidal prop on YouTube. They tested it and it was 10 times louder than the normal but high quality manufactured propellers. So it would have to be made with a much more precise 3D printing process I think. Link for a laugh 😆
https://youtube.com/shorts/Df32lrVy5os?feature=share