How to Modify (Extend) a Finis Rapid Monofin

[Mermaid Gosalyn]

Sorry for the late reply. I do not currently have any extra neoprene, but when I get some I will try that.

[Mermaid Crystal Shimmer]

Question, will this method (e6000 and gorilla tape) also work for the Finis Foil?

[Mermaid Zipora]

I just did a gorilla tape fluke and had to remove all the tape after my swim test. Even though I taped it really good, water still got inside adding weight. Over time the tape will probably peel off. I don't recommend the tape method for any swimmable fin.

[Mermaid Crystal Shimmer]

Thank you. Then I'll try the original method. =)

[Mermaid Gosalyn]

I have the foil and it's modified with this method. I recommend leaving out the screws though.

[Mermaid Crystal Shimmer]

Only glueing it down with e6000? Will that hold?

[Mermaid Julianne]

I have the foil and it's modified with this method. I recommend leaving out the screws though.

Would it be possible for you to post a photo of your monofin? I have a foil and would like to use this method to extend it, but I honestly can't picture the extension in my head.

[Mermaid Wesley]

I have a gorilla tape extension and yeah water gets in, but it doesn't peel, it's been nearly a year now. It's not a perfect method but I still swear by it. As far as making it heavy idk why that happened. Maybe it was just the drag of your fin. Floppier fins are "heavier" in the water no matter what they're made of.


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[Usagi]

Does anyone know if this will work in a silicone tail?

[Ashton]

Does anyone know if this will work in a silicone tail?

I have done it, it works with a silicone tail, but the silicone does not stick to the poly vinyl sheeting. What I decided to do was drill holes in only the tips of the fluke (only 1 per side) and then glue the silicone to itself through those holes.

[theMerFanc]

Uhm. Oh my gods. This is. This. Yes. Thank you.

My only question: can I purchase the PVC sheets in smaller quantities from anywhere? I live in a tiny apartment and honestly probably don't have space to be making or storing a tail to begin with, let alone and excess of material.

[Mermaid Gosalyn]

Uhm. Oh my gods. This is. This. Yes. Thank you.

My only question: can I purchase the PVC sheets in smaller quantities from anywhere? I live in a tiny apartment and honestly probably don't have space to be making or storing a tail to begin with, let alone and excess of material.

You could try asking the Lowe's/Home Depot it they'll let you, but they don't sell it in smaller sheets. It does roll up though, mine is rolled up to about 2x2 feet right now for storage.

[Playing Koi]

Hey Moonflower, do you know if this would work with Lexan? And would you still need to sandwich the monofin? I'm not sure if only one layer would be okay or if that could break my fin D:


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[Mermaid Gosalyn]

Would it be possible for you to post a photo of your monofin? I have a foil and would like to use this method to extend it, but I honestly can't picture the extension in my head.

I just saw this, I'm sorry! Unfortunately the fin is very stuck in my tail, and sewn in as well. I can try to take some pictures of it inside the tail to give you an idea of what it looks like though!

[Mermaid Gosalyn]

Sorry for double posting. I am not able to get clear pictures of the modified monofin, I'm sorry. I'm in the middle of moving (and leaving it behind for now), or I'd be able to help better.