French company #Seabike has developed a swimming device that uses your own leg power to accelerate you through the water at superhuman speeds.
This crank-driven pusher prop looks a bit like an #underwater#unicycle...
The idea is simple enough; you extend the Seabike's pole to the appropriate length, then strap it to your waist with a belt. Then you find the pedals with your feet, and start turning the crank, with the waist strap to push against. https://newatlas.com/marine/seabike-swimming-propeller/
@cdarwin How does it compare to fins? I can already move at "superhuman speed" (whatever that may mean) underwater with regular old fins on my feet which I always thought were about the most elegant propulsion devised by man. Is this better in some way?
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