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how low can you go ??

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alancFS13
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Re: how low can you go ??

Postby alancFS13 » Fri Jun 21, 2013 12:39 am

I think the wood Zob is using is called Durakore. End grain balsa wood with thin hardwood veneer laminated on top and bottom. ATL Composites is the only place in the US i have seen it advertised. I think it might be less expensive to laminate some pieces up yourself.

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Re: how low can you go ??

Postby zob » Fri Jun 21, 2013 5:11 am

I don't think it is Duracore, what I am using (couldn't find a decent pic of it). However this is a great find, because this kind of companies could use what I am using for their packing sheets. They usually don't know what they have or what it is made of. It is just packing material for them and a high valued ply for me. And they set the price, which is low :D .

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Re: how low can you go ??

Postby mattthieu » Fri Jun 21, 2013 2:02 pm

if someone know where to find this ply in canada, or nothern america, let us know !! we are a few in the montreal area who could want some !

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Re: how low can you go ??

Postby BWD » Fri Jun 21, 2013 2:36 pm

It sounds like the wood zob is using is the cheap luaun used to wrap around palletized goods,
If so you can find it at loading docks, hopefully before they tear it off the crate. The problem with stuff like this I have seen is that the core, which can be 80-90% of thickness, can have voids or cracks in it. Also probably doesn't have waterproof glue. But it's light...

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Re: how low can you go ??

Postby mattthieu » Fri Jun 21, 2013 4:21 pm

well, waterproof glue is not issue due to the fact that i will wrap it entirely in glass and epoxy !

voids are and isue tho !

as for my rescearcs, blasa DIY core with or without stringers is the way to go ( but it needs tools and a balsa suply !!!)

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Re: how low can you go ??

Postby zfennell » Fri Jun 21, 2013 5:13 pm

for comparison look at the way

John B built a hollow cedar strip kiteboard:
http://www.nwkite.com/forums/t-12112.html

or the way Burt Burger builds Balsa Skined surfboards:
http://www.sunovasurfboards.com/surfboard-technology

or paul jensen hollow boards:
http://www.hollowsurfboards.com/

or the ultimate, Aviso hollow boards:
http://www.avisosurf.com/TechAdvantage.html

it all works.

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Re: how low can you go ??

Postby zfennell » Fri Jun 21, 2013 5:35 pm

this is a bit off topic.
but i think you'll find this thread interesting.
its a low tech (compared to high tech) approach to the different fabrication techniques you've been considering.

http://www2.swaylocks.com/forums/low-te ... -sd-people

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Re: how low can you go ??

Postby Johnny Rotten » Fri Jun 21, 2013 5:55 pm

zfennell wrote:
or the ultimate, Aviso hollow boards:
http://www.avisosurf.com/TechAdvantage.html

it all works.

Curious how the avisos hold up to the wave puntings during kiting compared to a sandwhich construction of similar weight.

If you make the sandwhich beam thick enough with enough dent resistance it should be fine. but in general large flat hollow carbon structures don't like to be jumped upon.

Figured a carbon skin honey comb core would be ultimate ideal, weighs nothing has good compression resistance and skins are fully supported...... it's just really expensive and not terribly good for shaping.

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Re: how low can you go ??

Postby mattthieu » Fri Jun 21, 2013 8:26 pm

i believe honeycomb would be the ultimate light weight to !

could we imagine some kind of easy to do wood honey comb something i could built in my garage ?

brainstorming there !!

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Re: how low can you go ??

Postby zfennell » Fri Jun 21, 2013 9:20 pm

i guess now my answers are really spiriling off topic.

but this would meet your criteria:

http://www.sheldrake.net/cardboards/boards/fish_64/


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