Clip-on Fin to Turn to Aquaman
Of course, there’s a catch, you’ve gotta have a missing lower limb first to use this particular silicone appendage. This project is an orthopaedic swimming aid by Richard Stark called “Neptune.” It’s bright blue and yellow colors will be blurs to you as they zip past in the pool. Hinge lock, mount for those with mountable appendages, adjustable strength, simple design. You’ll be cruising in a whole new way in no time. And with a designer name like “Stark” you know it’s high quality.
Be sure to note: the designer of the Neptune’s name is Richard Stark. The designer of the Iron Man suit’s name is Tony Stark. They are different people. But, like one another in a very important way, they both hope to make the world a better place to live.
The Neptune uses a standard silicone liner which, when working with the cup mounted to it, distributes forces away from the tip of the limb. The fin, mounted to the the cup, can be turned 90degrees to allow different strokes. Then, as mentioned, the strength of the fin can be adjusted by moving the slider from top to bottom or bottom to top.
Then just cruise.
Designer: Richard Stark

























29 Comments »
mif991 says
Ok. Correct me if I am wrong…Wouldn’t the swimmer be going around in circles?
Richard says
The fin is very similiar in power output to that of a human leg. It is designed to give accurate and balanced “propulsion” as a substitute for a lower limb. Without the fin, an amputee tends to swim in “circles” resulting in unbalanced ergonomics in the upper body, wich can cause physical stress in joints for example. Neptune can be adjusted to different power outputs, to suit individual differences and follow your physical development. And I have to emphasize the fins ability to perform breaststroke swimming, wich has been a challenge to design. With one leg only, its almost impossible to swim effective breaststroke. Since breaststroke is a very common style of swimming, this is a very important function.
I hope this cleared out some questions =)
mif991 says
Thank you. Well done.
corrected says
the swimmer wouldn’t be going around in circles
corrected :p
no in all seriousness I dont think they would not unless this fin provided an extremely efficient method of swimming \the leg. There maybe be a factor to take into account that pro swimmers (from what I remember as a friend was an international) don’t use lower leg but is more in the thighs and shoulders for propulsion.
Be interesting to see though
on the premises of it all though love the design!
Kit Peters says
Hi there … fantastic development!! … I’m a monopede and a swimmer/diver .. have long wanted such a thing .. often dreamed about it!
I’m in Australia … can I get one here? Thanks!!
Stark says
I´m sorry to say that the Neptune is nothing but a conceptual design at the moment. Perhaps you´ve seen some video of it in action with a swimmer, but what is used in the video is only prototypes of different kinds. The last couple of days I´ve been getting loads of attention on it, and my hopes are that it will get into production in the future. But right now it´s just an idea that developed during a couple of weeks…
But keep your eyes wide open for it, and maybe you´ll find it on the market in a not so distant future!
adam says
Your process was great and it was truly inspirational to see you work this through. Simply and great look on functional use.
Lee Sheldon says
So how do I oeder one. Couldn’t do it on the website.
Stark says
Neptune is but a conceptual design at this stage. I´m sorry to disappoint you, but it´s just an idea. Maybe it´ll get real sometime.. I´m working on it! =)
Bob says
Richard
Can you share your email address?
Bob says
Richard
Can you share your email address?
Mark S. Stevens says
I am a bilateral AKA and have two short stumps. I swim 2500 metres a few times a week and I would be very interested in a pair for Bilat aka. will it be available at the same time in the future. The Iclandic sock is also avaiable for Bilat AKAs so this should not be a problem. If your price is reasonable then you would sell a ton of them as there are over 44 000 Bilat AKAs in the States alone. In the States emphasis is placed on rehabilitation of amputees and one of the methods is swimming. I wear two c-legs so I know what I am talking about. I am situated in Israel
Mark S. Stevens says
I am a bilateral AKA and have two short stumps. I swim 2500 metres a few times a week and I would be very interested in a pair for Bilat aka. will it be available at the same time in the future. The Iclandic sock is also avaiable for Bilat AKAs so this should not be a problem. If your price is reasonable then you would sell a ton of them as there are over 44 000 Bilat AKAs in the States alone. In the States emphasis is placed on rehabilitation of amputees and one of the methods is swimming. I wear two c-legs so I know what I am talking about. I am situated in Israel
Mike Williams says
Congratulations, a wonderful innovation!
Mike Williams says
Congratulations, a wonderful innovation!
Steve R says
This is a great concept, but this story has been bumping around the internet for several years now. Could you post whether or not you are actually going to produce these for sale, and give an estimated date?
I lead support groups & counsel amputees, and having this hang out there on the internet to be recycled over & over again with no production in site is both frustrating and somewhat unfair to the amputees I counsel.
Stark says
I would love to have an answer to that! Right now I'm still a student and the concept was done as a very short school project. I am in contact with potential partners for production and commercialization, but no deal is done. It's hard for me to deal with this on the side of school, since school takes 10-14 hours/day 7 days per week. I'm sad to hear this is bringing up frustration when I want to trigger inspiration! =/
Steve R says
This is a great concept, but this story has been bumping around the internet for several years now. Could you post whether or not you are actually going to produce these for sale, and give an estimated date?
I lead support groups & counsel amputees, and having this hang out there on the internet to be recycled over & over again with no production in site is both frustrating and somewhat unfair to the amputees I counsel.
Stark says
I would love to have an answer to that! Right now I'm still a student and the concept was done as a very short school project. I am in contact with potential partners for production and commercialization, but no deal is done. It's hard for me to deal with this on the side of school, since school takes 10-14 hours/day 7 days per week. I'm sad to hear this is bringing up frustration when I want to trigger inspiration! =/
chris says
Hi Richard,
Really interested in this design of yours. Would love to be kept involved with any future design testing and also purchase. hook me up on my email if you need more test guinea pigs!
chris says
Hi Richard,
Really interested in this design of yours. Would love to be kept involved with any future design testing and also purchase. hook me up on my email if you need more test guinea pigs!
Tracy says
Hi, Brilliant invention such a tease … know where the expression ignorance is bliss comes from… i’m a bilateral aka … strong swimmer though scuba diving proves to need adapted finns an nothing out there an this seems perfect ;-] way to go! did you get a way to become a provider?
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