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We do sell a lot of our Slim Fins for swim training to triathletes. The angle of attack when kicking Force Fins, swim or dive model, helps with extension -- prevents dropping the knee, which sets up drag --- bicycle kicking generally occurs in response to a diver being sold a pair of fins that...

What is the "difference"? From what I understand the literature for most split fins recommends the same kick style, a narrow profiled flutter, as we have always recommended when wearing Force Fins http://forcefin.com/wp_truthd.html A germane difference is that all Force Fin models, including...

Your arch measures the same as mine. I would say a size large with your booties. If you purchase them at ForceFin.com or by calling us at 1-800-FinSwim, then you may return within 30 days for exchange or credit. Give yourself enough time before your next dive trip, as we are running about 2-3...

Wow! 70 models/brands of diving fins and to my knowledge the only time you've tried Force Fins were when prompted by our dealer in your area - Gary at Tri State Diving. I have read a lot of your posts as well as your test protocol and results. Although written in a very professional scientific...

weaserm99, A Foil Force, split fin, performs better without duct tape. Thank you for posting the list of mass merchandised fins tested by University of Buffalo here on the Force Fin forum. It shows how conspicuously absent the following Force Fin models were from this test: : Original Force...

If you conduct a google search for - science magazine how fish move - abstracts for a number of fundamental flow studies and others that involve various types of bodies moving through water will be listed. Some are very relevant, many are very interesting, and all are educational. Yes, we...

I'm not sure why Dan Volker and you brought me into this thread, other than to say that Pufferfish's assessment is way over-simplified. The "V" shape of the Original Force Fin design is a split, balanced with blade surface area for load bearing leverage, and the Original patents filed in the...

You might want to show your chiropractor these 2 pieces and see what he thinks The Truth About Dive Fins Force Fin

Sentic, What is causing your cramps, most likely, is that the fins you are wearing extend off the end of your toes. This makes you hold your toe pointed as you kick up and down. When you hold your toe pointed, you are contracting the muscles in your toes, arches, ankles and calves. Whenever...

We're all back in our homes, except those who unfortunately lost theirs. Our home, that of Bob and I was under mandatory evacuation starting Tuesday evening. Blair's home was added to the list starting Wednesday evening. Force Fin offices are near the beach, so they were never threatened and...

May I ask why you are looking for a "heavy" fin? Weighting your foot makes no sense for propulsion in water. I can understand ankle weights, with a light propulsive fin for drysuit diving. That way you are putting the weight at the same place of the buoyancy, but to weight your foot is counter...

May I correct your post? Foil Force Fins have an open heel foil_force_fin_product and are not subject to license by anyone. The Foil Force Fin was made by Bob Evans in response to a request from the Commander of the Joint Diving Operations active in the Pacific Fleet in the early 1990's. They...

The design process evolves in various ways. Bob did not look at fins on a 1950 automobile, my parents had one of these with fins, which also serve as winglets, to get to the point where he was able to obtain a patent for winglets on fins. His process was to watch what the water was doing when...

Baracuda Smile - a shorter fin, with all the thrust and bungie heel strap, will do about what you are writing better than the longer fins you are using. I can't think of better empirical data of our products' performance in the real world than being in business for over 25 years, selling only...

Baracuda Smile, Maybe you missed the "Smart Questions Make Smart Divers" post in this thread. Can't figure out how to link to it directly. The conditions about which you are speaking is where Force Fins, the Original, Pro and Tan Delta, and new SD1 perform the best. Surf entries and exits can...

I agree with Avi. Pescador, It is obvious you have a.... is it.... bone to pick, but we can't offer a possible solution to your anger, unless you disclose who you are.

You do not know how small or large Force Fin production is. We could have moved, we still could move production to China at anytime. We choose to remain in support of the 4 facilities that have crews dedicated to our production here in the US. Styles do not change. We add models to respond...

Thank you for your intelligent query. Force Fins do have a major market share. The editors of Tauchen, Unterwasser and Taucher.net (september 05) were surprised when the notes of 2000 subscribers' responding with their opinions about fins placed different models of Force Fins into positions 1...

1. Ergonomics - jet fin extends off end of toes. heel is independent of foot pocket Force Fins fit with toes free and enclose top of foot, instep area, and around to under the heel. With Force Fins you leverage or power the blade from the large muscles in your thigh. With Jet Fins your...

Pescador775, You open an interesting question, do I feel like disclosing our real costs and that of other fin manufacturers? Bob has always wanted me to do this. The margin spread on other fins is quite illuminating -- and therein lies the real reason you see more of the other fins...