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... We'd love to take one for a spin!
I don’t really have a good gauge of how fast you can typically go with swim slippers though. Comparing to a person swimming without any aides would be much more useful for getting an idea of what “superhuman speed” means.
The real comparison will be this thing vs a set of basic swim flippers.
I’d still go with the flippers. The sacrifice to articulation seems like a deal breaker.
I don’t really have a good gauge of how fast you can typically go with swim slippers though. Comparing to a person swimming without any aides would be much more useful for getting an idea of what “superhuman speed” means.
If an average joe with an hour of practice could match or outpace Michael Phelps, I would consider that superhuman speed.