I just read a story about an electric propulsion system for boats based on
the way a fish fin moves:
https://plugboats.com/amazing-new-electric-boat-motor-based-on-fish-fins/
OK Stan, I will expect to see one fitted in a Rhodes 22 at the Annapolis US
Sailboat 2020 show.
Mike
s/v Wind Lass ('91)
Nissequogue River, NY