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  1. #11
    Senior Member TeeDee's Avatar
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    I should also mention that even with the silicone tubing, it MAY be very easy to touch the unloaded end and slip the UCR depending on the UCR orientation. The Prussic approach will solve that problem, the tubing won't so you have to be careful in orienting the UCR or in touching the unloaded end after adjusting the UCR if oriented wrong.

    There are 2 ways to orient the UCR:

    1. unloaded end on the hammock end of the UCR. I believe that most or all of the people that use UCRs use this orientation.
    2. unloaded end on the tree end of the UCR.


    I set the UCR up with the unloaded end away from the hammock, which positions that end pointing up and compounds the problem because gravity will work to pull the constrictor down the UCR, causing a slip. Thus, touching the unloaded end will assist gravity and cause the constrictor to slide down the UCR fairly easily.

    I set it up this way because it is also the orientation that makes the unloaded end the most sensitive to slip and I wanted to test that.

    I think that most or all people that use the UCR set it up with the unloaded end nearest the hammock so that adjustments are done closer to the tree. If done that way using this UCR construction method, it would not be very sensitive to slip after adjustment.

    Either orientation works with this construction method and I had no difficulty with the UCR grabbing immediately when loaded without any slip.
    Those who sacrifice freedom for safety, have neither.

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  2. #12
    Senior Member TeeDee's Avatar
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    Quote Originally Posted by ikemouser View Post
    Whats the advantage to this vs a whoppie of similar length? Less line?
    Less line, hence less weight.

    Construction is a LOT more difficult and time consuming.

    I would recommend this construction method of the UCR only for thjose who are very weight conscious.
    Those who sacrifice freedom for safety, have neither.

    Do not dig your grave with your teeth. (Unknown)

  3. #13
    Senior Member Albert Skye's Avatar
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    This seems obvious to me too; i.e., constrict the end of the constrictor rather than pulling the tail.

    I posted about it but got no response.

    In any case, I think only a short section is necessary, applied at the end, just enough pressure to start the process.

  4. #14
    Senior Member TeeDee's Avatar
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    Quote Originally Posted by Oh-No View Post
    Very nice TeeDee, thanks for sharing.
    I like your integrated captive toggles as well.
    Yes - I struggled with using toggles in spliced fixed eyes for a long time until I devised that. Some vinyl tubing from Lowes, work it on and cut to desired length. Works great. Best method I was able to devise.
    Those who sacrifice freedom for safety, have neither.

    Do not dig your grave with your teeth. (Unknown)

  5. #15
    Senior Member SGT Rock's Avatar
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    Have you tried vinyl tubing instead of silicone on the ucr?
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  6. #16
    Senior Member TeeDee's Avatar
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    Quote Originally Posted by SGT Rock View Post
    Have you tried vinyl tubing instead of silicone on the ucr?
    Nope. Used what I have on hand.

    But I can think of some reasons why I would prefer the silicone:

    1. silicone tubing is much, much, much more flexible and hence easier to use in the finished UCR and easier for wrapping and packing. Also, the flexibility makes it easier to construct the UCR. The very inflexibility of the vinyl in comparison would make the construction a real PITA. Thinking back on the "tricks" I used to make the UCR with the silicone tubing, they would not be possible with vinyl tubing. That would increase the difficulty to the point that I doubt I would even try using it.
    2. The vinyl tubing that I have used in the past gets hard with age in a few years (not many, but don't know how many specifically). When hard it is almost impossible to use and then starts cracking
    3. the silicone tubing has that "tacky" surface which keeps it from sliding on the Dynaglide. I think the vinyl tubing would slide easily and get out of position on the constrictor. Maybe the only way to keep the vinyl in position would be to use a really small ID which will make constructing the UCR very hard (impossible??, see #1 above) and maybe make adjusting very hard also.
    Those who sacrifice freedom for safety, have neither.

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  7. #17
    Senior Member SGT Rock's Avatar
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    Sounds good. Thanks for the explanation.
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  8. #18
    Senior Member SGT Rock's Avatar
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    NO SNIVELING!
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  9. #19
    Senior Member TeeDee's Avatar
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    cheaper than McMaster-Carr, but I think the ID may be kind of large to use with the 2 mm Dynaglide. Look around McMaster-Carr at their silicone tubing stock. They have a wide range of types and there may be one that is cheaper.
    Those who sacrifice freedom for safety, have neither.

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  10. #20
    Senior Member amac's Avatar
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    I know it's not very pretty, but this weekend I tried a clothes pin and a micro size spring clip. Both worked great. As TeeDee said, above, all you need to do is provide some "squeeze" on the unloaded end of the constrictor.

    Side note: my UCR has never slipped, even with out the extra squeeze. But all the talk about slipping UCRs has gotten me a little nervous. That little extra squeeze adds piece of mind.
    Last edited by amac; 04-28-2010 at 04:17.
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