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Same experience, and it is falling into the sweet spot. With practice, you can stay in it.
-Embarrassing question. I'm slow, not strong enough and poor technique, plus, mine is an x18, less fast than an x20(but I don't think that is the issue). 15 seconds for 25 yards. With practice, I could probably get that down to about 13, but I don't work much on speed.
On the subject of sweet spot. I found other monos to have a very well defined, i.e. narrow, sweet spot, with an equally narrow speed range, and one that I could fall out of very easily. My x18 seems to have a much wider sweet spot, not as well defined. I suspect the x20, being tuned for pure freediving, will fall somewhere between mine and a traditional mono.
Connor
Perfect Connor! That was exactly the information I was hoping to hear. It means that I've got a long way to go before I am even remotely getting near the fins true abilities. To put this in perspective, I was experimenting with it on Friday and wanted to just see what kind of times I could get with it . . .crummy technique and all and compare it to my bifins. With the X-22 (30" blade), the absolutely best I was able to manage was maybe about 15-16seconds. Most were usually in the 19 range. Contrast that with my bifins with which I can routinely get in the 11-12 second range (dolphin kicking) and it was starting to give me a bit of concern. Knowing that you are able to do so well despite the smaller fin and lack of emphasis on speed helps me realize how much more potential the fin has once I get my technique right. Thanks!
A reminder that it's about energy for distance with these fins. The Dol-fins are not sprint fins - they are cruise fins. In fact my hyperfin is not a sprint fin. I can do 25m in 16seconds dolphin kicking with no fins - but the energy expenditure is massive.
Great timing, Ron. Gives me something to compare with. I'm headed back to the
Bahamas next week for a month of serious Dol-fin diving. Got my buoyancy dialed in; very much looking forward to gliding the walls in San Salvador and Rum Cay.
...How deep were you when you started the glide in the video?