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Collection of weird fins

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I'm genuinely speechless. All I can think of is... WHY?
Have a look at the website - they explain why. Basically (beside others) the blade is split into three shorter ones placed each above other vertically (hence the name Gills). That makes them similarly propulsive as longer blades while keeping them very short. According to them, they are also more reactive, and better suited for fast acceleration (since they are rather rigid). Personally I doubt they are as efficient as the manufacturer claims, but if they were not so expensive (£95 FLOE, resp. £112 ICE), I'd certainly love to buy a pair of each to test them (and to materialize my virtual collection of weird fins).
 
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a quick look at the Gills homepage says everything....

Our newly developed fins are very effective where short strong bursts of kicking must produce 'fast' results. For instance, in a current or in the surf to catch up with a wave, or when doing free-style diving. Apart from this they are also good all round fins since the stiffness can be pre-selected when ordering (you can choose between 'professional' and 'competition') to match your style of diving. Our very effective top-loading foot pocket is used for its comfort and secure fit, especially in very rough conditions. The new fin's compact yet effective design is brought about by our patented tri-plane-hydrofoil configuration of the fin blade. In essence it can be described as the cutting of a long fin blade into three pieces, which are then stacked on top of each other with a suitable space between the pieces (hydrofoils). This configuration has various advantages; none of the propelling force of a longer fin is lost, it is actually enhanced by directing the water between the special hydrofoils thereby imparting more energy to the water with the resultant extra push. What happens is that the scientific Bernoulli principle is used in an unusual way to get a better 'grip' on the water for more effective propulsion. The innovative design also keeps weight to a minimum thereby countering fatigue; it only weighs 1.15 kg per pair. The compact and lightweight design is also a boon to the frequent flyer. The NewFLOE fins are available in our three standard sizes; medium, large and extra large.


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I am still very curious ... what is freestyle diving? what sort of competition/profesionals do they have in mind? Bernoulli equations.....

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