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by SaulOhio
Sat Jul 21, 2018 2:12 am
Forum: Hydrofoil Builders
Topic: How to build a carbon wing in a 2 part mold?
Replies: 2
Views: 201

Re: How to build a carbon wing in a 2 part mold?

The outer layer of carbon needs to be larger than the part you are molding. I am adding recessed areas around the edges of the part so the carbon doesn't hold the mold halves apart. WindsurfMastRight3.jpg WindsurfMastRight2.jpg WindsurfMastRight.jpg I am working on more precise wood cores. The cores...
by SaulOhio
Thu Jul 19, 2018 4:00 pm
Forum: Hydrofoil
Topic: What is considered to be a big or small Board size for hydrofoiling
Replies: 11
Views: 780

Re: What is considered to be a big or small Board size for hydrofoiling

People have noted that my Waltzing Bear is very big for a kitefoil board, but I found it very helpful to have something that big and floaty. It was easy to handle on the water before waterstarting. Unlike the Cabrina I borrowed a couple of times, which was as thin as most twintip boards, it was real...
by SaulOhio
Mon Jul 16, 2018 11:20 pm
Forum: Hydrofoil Builders
Topic: Cutting a new mold for a foil
Replies: 12
Views: 579

Re: Cutting a new mold for a foil

I have used PVA. The problem with PVA is its hard to fix mistakes. Any runny spots, or a bubble, or a piece of dust that lands on it is there for good. I like waxes because I can buff out any mistakes. For sure, a polished wax surface will give a slightly better finish, depending on how nicely you ...
by SaulOhio
Mon Jul 16, 2018 7:17 pm
Forum: Hydrofoil Builders
Topic: Cutting a new mold for a foil
Replies: 12
Views: 579

Re: Cutting a new mold for a foil

A good mould release schedule on a gel coat mould would be 6 layers of carnuba wax (wax on/wax off) and then a layer of pva release agent. On HDPA you may need less layers of wax. The pva forms a thin sacrificial skin which dissolves with water when you remove the cured piece - highly recommended i...
by SaulOhio
Mon Jul 16, 2018 2:54 pm
Forum: Hydrofoil Builders
Topic: Cutting a new mold for a foil
Replies: 12
Views: 579

Re: Cutting a new mold for a foil

are happy with it ? Some little fuzzies stuck to the mold, but otherwise it came out perfect. It just took most of the day. I'm wondering when I'm going to have the time to carve the other side of the mold. And then the stabilizers. And the mast. Rad! But still use a release agent, you aren't going...
by SaulOhio
Mon Jul 16, 2018 2:53 pm
Forum: Hydrofoil Builders
Topic: Cutting a new mold for a foil
Replies: 12
Views: 579

Re: Cutting a new mold for a foil

Edited
by SaulOhio
Mon Jul 16, 2018 2:08 pm
Forum: Hydrofoil
Topic: Teaching wife hydrofoil.
Replies: 18
Views: 1028

Re: Teaching wife hydrofoil.

my wife told me, if it wasn't for my patience and attention when I was teaching her, she would not become a kiteboarder. its very much individual I think... Actually, not being married myself, I really wouldn't know. I was just repeating something a married friend of mine told me. One thing I have ...
by SaulOhio
Mon Jul 16, 2018 1:43 am
Forum: Hydrofoil
Topic: Teaching wife hydrofoil.
Replies: 18
Views: 1028

Re: Teaching wife hydrofoil.

Teaching your wife to do anything, the first step is:

Did you get her to sign a pre-nuptual agreement before you married? Check with your lawyer and make sure you are protected so when the divorce happens she doesn't get everything.
by SaulOhio
Sun Jul 15, 2018 10:48 pm
Forum: Hydrofoil Builders
Topic: Cutting a new mold for a foil
Replies: 12
Views: 579

Re: Cutting a new mold for a foil

TomW wrote:
Sun Jul 15, 2018 9:34 pm
What machine are you using?
Inventables X-Carve.

https://www.inventables.com/
by SaulOhio
Sun Jul 15, 2018 9:13 pm
Forum: Hydrofoil Builders
Topic: Cutting a new mold for a foil
Replies: 12
Views: 579

Cutting a new mold for a foil

phpBB [video]


I'm using HDPE instead of expanded PVC this time. No more glazing putty and painting the mold. I just have to sand it, and I may not even need a release agent.

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