weight of bottom glass ?

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plumbertuck
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weight of bottom glass ?

Post by plumbertuck » Tue Jan 10, 2006 11:39 pm

I found some 8 oz. cloth at a good price 50" wide would this be ok for the bottom of my od 16, ?
it is woven not biax, and
has a satin finish ???
do i need to keep looking ?


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CHarris
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Post by CHarris » Wed Jan 11, 2006 8:48 am

I think you need to keep looking.

Stick with the plans, and you won't go wrong.


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Toni V
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Post by Toni V » Wed Jan 11, 2006 9:36 am

I would say it's okay if you use it more than biax. I don't know the requirements for the bottom so I can not make a guess if one layer would be enough.

Let's wait for Jacques answer.

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Post by Old E. » Wed Jan 11, 2006 9:48 am

NO. Big difference. See wha Jaques says.

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tech_support
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Post by tech_support » Wed Jan 11, 2006 9:53 am

Sorry, you need to use Biax if thats what the plans call for. Fiber orientation, weight, and stitch/woven is important.

You would probably have to use more than 4 layers of the 8 oz. woven cloth to get the strength you need from on layer of 12 45/45 stitched biax.

Even if the cloth was free, you would end up spending more in epoxy (which is a lot more expensive than glass)

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plumbertuck
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Post by plumbertuck » Thu Jan 12, 2006 5:57 pm

the lamination schedule states "woven fabric to cover bottom and sole" 6oz.
I was just wondering if the 8 oz. would be ok I can't see how a 2oz difference on such a small piece would hurt
I understand about sticking to biax where biax is called for...
I think it is there for abrasion resistance.
is the finish anything important ?
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tech_support
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Post by tech_support » Fri Jan 13, 2006 9:22 am

plumbertuck wrote:the lamination schedule states "woven fabric to cover bottom and sole" 6oz.
I was just wondering if the 8 oz. would be ok I can't see how a 2oz difference on such a small piece would hurt
I understand about sticking to biax where biax is called for...
I think it is there for abrasion resistance.
is the finish anything important ?
Then its fine :D You will only use a little more epoxy.

I just wated to make sure you were not going to substitute woven for biax.

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Post by jacquesmm » Fri Jan 13, 2006 10:22 am

Yes, he is correct. In that boat we use biaxial for all the taping but not for the bottom.
This is an exception: in the OD16/18 we specify a thick bottom with only a protective coat of glass.
The bottom is flat, we can do that with the OD's.
Jacques Mertens - Designer
http://bateau.com

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