Making a hole new kayak (surfski)


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staffan_w
staffan_w
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Hi!
I'm from Sweden and found this really interesting forum just now.
I'm doing a lot of adventure racing and paddling is one of the main parts in competitions.
So, i would really like to make my own kayak, but this one will be like a surfski, something like this;

http://fatpaddler.com/wp-content/uploads/2013/02/P1000468.jpg

I have a few questions I hope someone can help me with:
First, I would like to build a boat as light as possible, in carbon fiber / kevlar. How thick should have the hull and deck.
Then I do not know if it is possible to make use of rasin infusion technology or whether to try to vacuum bag. I am puzzled, however, if you have time to wet-laying the entire hull and then on the vacuum bag before the rasin time to solidify.
If one would use rasin infusion, how often you need to outsource distribution tubing to cover the entire hull?
Then I also wonder how best to put together the hull and deck. I saw the movie on kayak repair and which used some form of kevlar tape. Is it the best thing to use or is there something else?
Hm, these issues are perhaps slightly messy but I am so grateful for all the help I can get.
Thanks in advance,
Staffan, Sweden
                                                    
Edited 12 Years Ago by staffan_w
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staffan_w
staffan_w
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I'm sorry guys for all my questions but it is so good to get help from guys like you with knowledge and experience!
If I'm going to make a mold of something that has small holes in it, how do I best to cover these holes? Is there a good tape that you can use or should I take some silicone?

Thanks!

Edited 12 Years Ago by staffan_w
FLD
FLD
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staffan_w (05/03/2013)
I'm sorry guys for all my questions but it is so good to get help from guys like you with knowledge and experience!
If I'm going to make a mold of something that has small holes in it, how do I best to cover these holes? Is there a good tape that you can use or should I take some silicone?

Thanks!


Ask away, its the only way you find out.  In my head the only stupid question is the one you dont ask.
staffan_w
staffan_w
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Thanks again Warren. makes me happy to hear that the smaller pump will work.

So, I will start by making a mold of the plug which I will probably use my tape to cover the small holes are the owner of the plug want holes left. I'll use the gel coat to get a smooth surface in the mold and then I fill the small brands that will be after the tape.
I will have to reinforce the shape with regular studs to prevent it failing, or fold when it's going to be very long (6.20 m).

I have a problem I have not really solved yet. How can I make extra edges of the pan so I can fit to attach vacuum tubes, pejp etc. I want them to be 90 degrees out of shape and it would be best to use something that could support this up in a good way. Anyone have an idea?

Once the form is completed, I use 400g plain carbon fiber as the outermost layer, inside it is a 2mm layer of Soric appears to be excellent for resin infusion. At the back I put a layer of 300g diol to ännnu better strength in surfskin'n.

I will use resin infusio technology and will not need the infusion mesh because I use Soric.
I will have three tubes for the resin infusion and resin infusion, a spiral tube in the middle of the mold where the resin three tubes will be connected. Then I will be able to control the resin in a good way I hope.
Around the mold, on the edge as I mentioned before I put the vacuum tube thatwill have two connection points for a smoother flow.

When the deck and hull are ready, they will be joined with kevlar tape 2.5 mm in a number of layers. This will be an exciting phase because I can not access the inside of surfski'n.
I will, after possibly evened out the edges of the hull and deck, tape deck and hull together with strong tape to hold them in place while I join, it may take place in two phases.
But before this I have to pull the plastic tubing for cables to the rudder. They will be drawn inside and I will try to attach them with epoxy and micro balloons, I hope it holds.

To get an attachment for the helm, I will glue the foam in katern on both deck and hull. When I joined the parts, I will drill the top to attach a metal tube that is plugged into the base through the deck and into the foamThe rudder will then be mounted in the metal tube.

A surfski has footpads where it attaches to your feet and which also controls the rudder. There will be some work with them but it's still details compared to hull and deck so it does not worry me so much.

I will try to take some pictures while I built the kayak and share some of the lessons I have in the meantime. Maybe it can help someone in the future.
However, it will take place under Projects / Water Crafts, I think the title is called.
Obviously, comments, tips and ideas more than welcome.

Unfortunately I have to go abroad with my job first but I will place an order this week so that I have all the material when I get home again.

OK, have a good weekend everyone!

GO

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staffan_w - 12 Years Ago
staffan_w - 12 Years Ago
Warren (Staff) - 12 Years Ago
brasco - 12 Years Ago
FLD - 12 Years Ago
staffan_w - 12 Years Ago
FLD - 12 Years Ago
staffan_w - 12 Years Ago
FLD - 12 Years Ago
staffan_w - 12 Years Ago
Warren (Staff) - 12 Years Ago
staffan_w - 12 Years Ago
staffan_w - 12 Years Ago
staffan_w - 12 Years Ago
FLD - 12 Years Ago
staffan_w - 12 Years Ago
Warren (Staff) - 12 Years Ago
Warren (Staff) - 12 Years Ago
staffan_w - 12 Years Ago
staffan_w - 12 Years Ago
brasco - 12 Years Ago
Warren (Staff) - 12 Years Ago
staffan_w - 12 Years Ago

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