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  1. #11
    Senior Member Cannibal's Avatar
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    That seems an odd failure in appearances. The 'tear' looks like it was cut with a razor and straight-edge. Is this typical of cuben? I've never really played with it much. Just never seen a tear so clean and straight before. Kind of impressive in its own right.
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  2. #12
    sclittlefield's Avatar
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    The Manufacturer reps I talked with about Cuben did mention that it has a tendency to burst without warning, as opposed to Spinn. This was observed in sails, obviously, since these materials use for backpacking is a very tiny market (and really not what the materials were designed for initially).

    Thanks for sharing! Good for tarps... bad for hammocks. Got it.

    How about Bags for gravity filters... pack covers... wash basins... etc.
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  3. #13
    Senior Member ikemouser's Avatar
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    SCITTLEFIELD,

    it would be fine for those applications, significantly less weight.

  4. #14
    Senior Member Mountainfitter's Avatar
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    Cuben Tech confirmed that this "tear" was very uncharacteristic of the material but as you can see it's possible that it can happen. As Scott said the only time this has occurred before was when a SUL cuben spinnaker would burst. This phenomenon is also common with polyester and nylon but do to the cost of cuben its a bigger deal when it happens.

    I am glad the tester wasn't hurt and wanted to share this info before anyone invested any time or money into building their own cuben fiber hammock using any material lighter then the CT2K.08 .75oz material. As I said before it was recommended that a heavier material could work great but due to the nature of the material this is just speculation.

    I have tested this material in alot of applications and feel its best uses would be tarps, tent flys, stuff sacks, roll top dry bags, and anything else that can take advantage of its lightweight, strong, waterproof nature.

  5. #15
    Senior Member NCPatrick's Avatar
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    I wonder if it made a sound when it blew out. I'm thinking something like "Blam!" and then you're on the ground. I would hope that my high priced materials at least go out in a dramatic fashion.


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  6. #16
    WV's Avatar
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    Quote Originally Posted by ikemouser View Post
    Also why not try a stronger cuben fiber?
    Quote Originally Posted by Oh-No View Post
    If 0.75oz is not strong enough, then you are getting into the weight realm of 1.1oz nylon which is far cheaper than Cuben.
    But 1.1 nylon stretches. I predict a renewed search for ripstop polyester. But that said, I still plan to make a hammock with my CT1K.08 , but I'm going to do prototypes with 1.9 ripstop first and pay careful attention to areas of stress.

  7. #17
    Senior Member Mountainfitter's Avatar
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    You should draw a grid on the hammock to see if deforming is occurring. I suspect it would be a great way to judge the dyneema in the hammocks life?

  8. #18
    Dutch's Avatar
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    How much did the tester weigh. I'm not prepared to turn my cuben hammock into stuffsacks just yet.
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  9. #19
    Senior Member Mountainfitter's Avatar
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    Before I divulge anyones personal information I would need his approval. In my opinion he was within the accepted weight range. I feel that a hammock should be able to have a 300-400lb weight rating since shock loads are hard to calculate. It's the same reason climbing ropes are rated so high. It seems as weight is less of a concern then the size of your "footprint" and how you distribute the load of your body. Technically a 200lb back sleeper would put a less concentrated load on the individual fibers then a 150lb side sleeper.

  10. #20
    WV's Avatar
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    Quote Originally Posted by Mountainfitter View Post
    You should draw a grid on the hammock to see if deforming is occurring. I suspect it would be a great way to judge the dyneema in the hammocks life?
    Good idea.

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