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Underwater toroidal propeller inspired by MIT design — image 1
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Underwater toroidal propeller inspired by MIT design

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It's a toroidal propeller tested with an underwater drone (CPS 5) in this video: https://youtu.be/w90gM7bGdvk

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Model information

License
Creative Commons — Attribution

This is one of the toroidal propellers we've tested in this video: https://youtu.be/w90gM7bGdvk

This is the right propeller. To get the left version, simply reflect it in the slicer.
We've achieved the avg max speed of 2.26 m/s, at 1079W for 2 of them.