>>255660Are there freediving grade split fins already?
Split fins are great, but initial models were created for scuba, not freediving, so they were rather short, and they're made to be less tiresome, so it's great for cruising at slow speed with (almost) unlimited air, but if you require fast and efficient swimming, which most freedivers need, it's not fit for it. Aerobic and anaerobics conditions are very different, which is why scuba divers are fine doing several small and fast strokes, when a freediver would prefer very stiff fins to produce few but powerful strokes and then glide through water for as long as they can.
I compared short regular fins with split ones, and indeed, split ones are fine for moving around slowly, but don't offer the speed regular fins do. I doubt long ones would be any different, but then it depends on what you want. I prefer speed and fast turning myself.
And then, there are people who say this is all marketing to appeal to beginners who think they're more efficient with them when it's not the case, and that the whole vortex stuff is bullshit. And that may very well be true.
