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Sure it has been done, on the annular "wind gallery" at Technisub, built by Luigi Ferraro and Gianni Beltrani, See here their wind tunnel:
I played with bands from my spear gun on some Force Fin blades. But was worried (cost) about the way to attach it and its life span. But not a bad idea, and it works. Susanne saw what I was doing and commented, "changing the water flow was better. That's when I developed the moveable winglets. Engineers - Force Fin I Appreciate all the comments. PositiveSure it has been done, on the annular "wind gallery" at Technisub, built by Luigi Ferraro and Gianni Beltrani, See here their wind tunnel:
A number of innovative fins derived by their experimentations. Marketed under the Aqualung brand in the US.
Here one of the Beltrani's designs: Aqua Lung By Technisub Pinne Slingshot Aqua Lung By Technisub
Wow, I hardly hear about scissor kickers. A long time ago, this US Marine combat diver asked me to make a narrow Force Fin. ( Pictured with the Extra Force) When he was scissor-kicking, the wing tips of the Pro Model kept hitting each other. It made sense, so I elongated the original Force FinThat would be a HUGELY popular topic here. Especially for us open ocean,scissor kickers !!
