Are you ready for jellyfish drive?
How about dolphin drive?
From what I can tell this pair of young Frenchmen have developed at least three different kind of propulsion systems that emulate natural aquatic creatures.
I have seen somewhat related attempts in creating sound for audio loudspeakers, but I'm pretty much awestruck, and even more awestruck they found the capital investors and are living the dream. Looks like they were inspired by or borrowed from medical device patents.
First found out about them at the New Atlas link below, includes Youtube videos.
2024
Biomimetic electric outboard ditches propeller for fin-driven thrust
https://newatlas.com/marine/finx-biomimetic-electric-outboard/
2020
FinX: An alternative to propellers for boat propulsion
https://www.boatindustry.com/news/32791/finx-an-alternative-to-propellers-for-boat-propulsion
Quote:
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" It mimics the movement of sea animals. It is a technology that is already mastered in industrial pumps or for medical pumps in the cardiac field for which it has been patented. We have the exploitation of the patent for marine propulsion.. "explains Harold Guillemin, founder of FinX motor.
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2022
FinX: 6 million euros for membrane outboard engines
https://www.boatindustry.com/news/41393/finx-6-million-euros-for-membrane-outboard-engines
https://www.youtube.com/watch?v=aP8CGKtP3ZQ
2020
https://www.youtube.com/watch?v=wEoO-wufIDc&t=1s
2023
https://www.youtube.com/watch?v=TwJntNw0_7U