Here you can exchange your experience and datas about your home build boards
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sportbilly
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Postby sportbilly » Fri Dec 03, 2004 7:53 pm
Right: I have a big plate of corecell 0.64 cm, a big piece of kevlar, a piece of 220gr/m2 glass and a piece of 80 gr/m2.
Plans are a 130 X 37 cm board, concave, a good flex for a soft ride.
I was thinking of a layup of
220 glass
kevlar
corecell 1.9 cm
kevlar
220glass
80 glass
I know it will work but I'm afraid it might be quite stiff. Any advice?
Cheers
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zfennell
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Postby zfennell » Fri Dec 03, 2004 9:24 pm
without knowing the weight of the kevlar i'd say...
(or even, if i did)
use only 2 layers of corecell (1.2 cm)
use rocker table to form concave ( less than one cm)
2 layeys of 220 glass - top and bottom
1 small patch under your feet.
forget the kevlar ( unless you have a specific need for it)
imo,
-bill
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sportbilly
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Postby sportbilly » Mon Dec 27, 2004 4:30 pm
cheers Bill
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Guest
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Postby Guest » Sun Feb 06, 2005 6:59 pm
I'm trying this.
probably 160gr glass
160gr Kevlar
80gr glass
corecell with pvc-edges
80gr glass
160gr kevlar
Super solid, a good flex, but: its super-shit to cut the kevlar.
30min to cut 130cm of kevlar.
and very solid.
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Eskimo Joe
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Postby Eskimo Joe » Wed Feb 09, 2005 8:45 pm
You need to buy proper kevlar scissors to cut kevlar quickly.
You can buy them where you bought the cloth..
E.J.
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sportbilly
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Postby sportbilly » Fri Feb 11, 2005 8:31 pm
hey guest. that sure looks like a solid lay-up. you must have a thin core. Kevlar and 160 gr sounds a bit heavier than necesarry though.
Good luck
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Guest
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Postby Guest » Fri Feb 25, 2005 3:07 pm
Well,
Indeed I think it might be quite strong...
Core is 2x 6mm corecell, tips 1x.
I'm a bit concerned about the flex that will remain after all layers...
I need a light layer above the corecell to protect color and/or design
and I did want a layer underneath the kevlar for bonding with the corecell.
Internally I added 2 carbon-stringers for rebound.
Any suggestion on where to reduce weight?
Btw, such scissors are far to costly for the number of boards I build.
(Tried cutting them with a stanley-knife, but its very hard to do... )
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sq225917
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Postby sq225917 » Fri Feb 25, 2005 6:54 pm
get the scissors, cutting kevlar with a stanley knife will pull the warp and weft all to shit in your cloth.
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Postby Guest » Mon Feb 28, 2005 10:42 am
I just used normal (quite sharp) scissors...
It did take me a while, but I managed to do it cleanly.
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sportbilly
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Postby sportbilly » Mon Mar 07, 2005 2:20 pm
Dear guest. I would not recommend carbon stringers. Carbon has way more less flex than the other materials your using. This might actually cause a breaking line.
Good luck
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