Ziroth | The Unexpected Genius of Bionic Propellers @ZirothTech | Uploaded December 2023 | Updated October 2024, 1 hour ago.
Since learning about toroidal propellers, I have been on a hunt to find the weirdest and most wonderful propellers around, that can help save energy and the life within our oceans. As it turns out, nature has yet again given us some clues as to how we should be making our propellers more efficient and less noisy.

Credits:
Producer: Ryan Hughes
Research: Sian Buckley and Ryan Hughes
Video Editing: @aniokukade and Ryan Hughes
Music: Joris Šimaitis

Bionic Propeller CAD file:
grabcad.com/library/biomimetic-marine-propeller-1

Sources:
[Dr Frank Fish] epo.org/en/news-events/european-inventor-award/meet-the-finalists/stephen-dewar-philip-watts-and-frank-fish
[Lizard Propeller] sciencedirect.com/science/article/pii/S0029801822022727
[GEMS] science.org/doi/10.1126/sciadv.aax6192
[Propeller Noise] rivieramm.com/news-content-hub/news-content-hub/quieting-the-propeller-and-cutting-underwater-noise-74799#:~:text=Typically%2C%20a%20rotating%20propeller%20and,to%20a%20hundred%20miles%20away.
[BigRep] bigrep.com/ebooks/high-performance-3d-printed-bionic-propeller