Vessev’s VS-9 lifted above the water during a New York test, aiming for smoother, lower-energy trips.
The constraint is real: it works best with waves up to about 75 cm.…
https://en.hacks.gr/ilektriko-skafos-tis-vessev-sikonetai-pano-apo-to-nero-gia-pio-iremi-pleysi/
