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Re: Carbon boards [Re: surfbum00] #2899578
01/17/19 03:01 AM
01/17/19 03:01 AM
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bvendley Offline
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I've got a carbon micro light and one of the newer white bi-ax cloth boards. Both are stringer-less, shaped by Manny and vacuum bagged by JT.
I'm a fan but forgive me, I'm relatively new at surfing, these boards probably represent my 12-15th boards. I'm not so confident I'm picking up on all the flex characteristics quite yet.
The microlight I have is relatively thin/foiled and to me, feels great. I find that the board excels in small waves with a little chop, reminds me of how a well dampened snowboard handles crusty conditions. I feel like the board helps smooth me out? But maybe that's in my head.
The newer bi-ax board I have is also relatively thin but also has a concave deck. This board has a bit more flex or rebound I should say because the center of the board is thinned out; creating a sort of parabolic stringer effect with the rails.This is subtle, but if anything I think this board is more dampened/calm than my other boards. Maybe it's the shape not the construction, I don't know. I've only surfed this board 7-8 times but so far I love it.
Manny says the bi-ax is super strong and is roughly equivalent in strength to 2x6ounce on both top and bottom but with much better flex. It's too early to say but so far, I agree. I'm pretty heavy footed and both boards are still pristine.
All of my other boards are poly, my take away is that I probably wouldn't wan't a stringer-less carbon microlight/bi-ax as a step up but for everything under head high I think you'll be stoked.
The white bi-ax is very white but up close you can see some cloth layers/lines and occasionally you get some dark speckles/spots. I was told that one cant see the spots until glassing so sometimes you get none, sometimes you 3-4. I'll try to take some pics in the morning and share but from a distance it just looks like a new white stringer-less poly board.

Re: Carbon boards [Re: surfbum00] #2899616
01/17/19 05:07 AM
01/17/19 05:07 AM
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silentbutdeadly Online content
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I want something in this construction. I've been more than impressed feeling them up in person.


"The size / dimensions don't matter. What does matter is that it's flammable. Because you should set it on fire and get a real surfboard" Witchipoo
Re: Carbon boards [Re: surfbum00] #2900294
01/18/19 04:07 PM
01/18/19 04:07 PM
Joined: Oct 2006
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Santa Cruz/UK/Florida
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It's the vacuum bagging that makes them light, as you know. Justin has the dialed.

Carbon fiber is the same weight as any other cloth - you order it 4 os, 6oz, 10 oz whatever you want. The weight is the same as e glass. What give you the weight loss is lower density core, and no excess resin because the bag squeezes it out. You could get a super light 4/4//4 poly/pu if you bagged it too.

Sorry if i'm being pedantic, but it bugs me when people say that "carbon is light, or epoxy that." There's a lot more too it.

By the way, I would love to get a board done in Justin's craft. They're gorgeous. Also Drew at Inspired does some crazy layups as well.

Re: Carbon boards [Re: surfbum00] #2900723
01/19/19 04:03 AM
01/19/19 04:03 AM
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View this post on Instagram

The word devastated comes to mind

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Organized competition is entirely peripheral to surfing qua surfing. People surf for love. - William Finnegan
Re: Carbon boards [Re: ghostshaper] #2900735
01/19/19 04:18 AM
01/19/19 04:18 AM
Joined: Nov 2003
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need 4 speed Offline
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Booooooooooo


NOT THAT KIND
Re: Carbon boards [Re: need 4 speed] #2900749
01/19/19 04:35 AM
01/19/19 04:35 AM
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Damn cabron!


"The size / dimensions don't matter. What does matter is that it's flammable. Because you should set it on fire and get a real surfboard" Witchipoo
Re: Carbon boards [Re: twinzerfan] #2901049
01/19/19 09:11 PM
01/19/19 09:11 PM
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Originally Posted By: twinzerfan
It's the vacuum bagging that makes them light, as you know. Justin has the dialed.

Carbon fiber is the same weight as any other cloth - you order it 4 os, 6oz, 10 oz whatever you want. The weight is the same as e glass. What give you the weight loss is lower density core, and no excess resin because the bag squeezes it out. You could get a super light 4/4//4 poly/pu if you bagged it too.


good point... although im pretty sure carbon cloth has different properties at different weights than other cloth, so being able to use a lighter cloth (that theoretically is stronger at the same weight) would also contribute to a lighter finished product. (and it seems like a more dent-resistant product)

Re: Carbon boards [Re: xmesa] #2901063
01/19/19 09:58 PM
01/19/19 09:58 PM
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Very dent resistant in my experience (carbon)


NOT THAT KIND
Re: Carbon boards [Re: xmesa] #2901081
01/20/19 12:03 AM
01/20/19 12:03 AM
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Originally Posted By: xmesa


good point... although im pretty sure carbon cloth has different properties at different weights than other cloth, so being able to use a lighter cloth (that theoretically is stronger at the same weight) would also contribute to a lighter finished product. (and it seems like a more dent-resistant product)


also very true

I think it's also important to point out that carbon fiber is strong in tensile strength - as in it does not stretch. Things like kevlar are stronger in compression, hence their use in bullet proof things.

Most guys doing composite work, including surfboards are placing the materials where they can best use their inherent properties. I've never really understood the carbon fiber deck only boards, due to the desk needing to be strong in compression, not tensile/elongation. Something like kevlar would be better. But, there's ways around everything...

Re: Carbon boards [Re: twinzerfan] #2902758
01/23/19 07:46 PM
01/23/19 07:46 PM
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nagual Offline
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Originally Posted By: twinzerfan
Originally Posted By: xmesa


good point... although im pretty sure carbon cloth has different properties at different weights than other cloth, so being able to use a lighter cloth (that theoretically is stronger at the same weight) would also contribute to a lighter finished product. (and it seems like a more dent-resistant product)


also very true

I think it's also important to point out that carbon fiber is strong in tensile strength - as in it does not stretch. Things like kevlar are stronger in compression, hence their use in bullet proof things.

Most guys doing composite work, including surfboards are placing the materials where they can best use their inherent properties. I've never really understood the carbon fiber deck only boards, due to the desk needing to be strong in compression, not tensile/elongation. Something like kevlar would be better. But, there's ways around everything...



its a bit completely other way around. carbon, kevlar ( or other brandmark aramid) and also glass are excellent in tension, in particular as a non woven straight fiber (tape or UD)
the main difference is in compression where carbon is the best by far, then glass and kevlar is not working in compression at all.
\
there is possibility to make a hybrid layup like glass bottom and carbon deck and it makes some sence, but I prefere much more balanced layups. I also creased ultralight boards on the bottom while duckdiving, so some UD carbon both sides prevents buckling in compression...

its also difficult to compare glass and carbon as carbon filaments are lighter so the 6 oz carbon cloth is thicker and taking more resin even when bagged than 6oz glass.

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