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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.
Yes, they still work if they are 3d printed and you can even find files online for them such as this
Certainly can. But you want to print them in a specific orientation to improve strength & aerodynamics