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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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Curious. Could you 3d print a propeller or does it demand some sort of higher quality manufacturing process? For a DIY drone project slapping some toroidal propellers just to test it out seems doable.
It's been done a lot, but its kinda pointless as any noise improvements from the shape are obliterated by the bad surface finish.