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  1. #1
    Alberta Hanger snidetripod's Avatar
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    Talking whoopies out of 3/16 amsteel blue

    Today I went to my local amsteel blue dealer (in Edmonton Alberta Canada). It took me a while to find an outfit up here that sold the stuff, and the smallest diameter they had was 3/16 inch. So, I had no choice but to buy it. I have read all the threads on whoopie construction, and watched all the vids on youtube and they all sing the same refrain, use 7/64 inch gauge.
    Okay, I went ahead and constructed a pair of whoopies out of the 3/16 amsteel. The fixed eye is held with a locked brummel, and the adjustable eye has a bury of 12 inches. I am hoping that this will constrict enough to allow for no slippage. Does anyone have experience with this gauge of amsteel? Should I use the 7/64 gauge? The whoopies seem to hold my weight perfectly, I am not a large man, only 160 pounds.
    The gent at the shop said that this gauge had a break strength of over 2000 lbs, but that would decrease by about 10 percent after the splice was complete. So, if anyone has tried whoopie slings with 3/16 gauge amsteel blue, here is a thread to post your results.

    Cheers.......

  2. #2
    Senior Member
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    3/16 is stronger than 7/64. You have no worries. My sons hammock uses 3/16 cause I got it for free. I'd have to check to see the length of bury but it sounds like plenty to me.
    Good decisions come from experience, and experience comes from bad decisions. ~Author Unknown
    I seem to have lots of experience for my age

  3. #3
    SilvrSurfr's Avatar
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    I don't think you have any concerns. A whoopie is a whoopie regardless of diameter. Most folks use 7/64 based on a 5-1 safety ratio - the rope should have a breaking strength five times your weight. The 7/64" Amsteel has a 1600 lb. breaking strength, so in your case, weighing 160 lbs., 7/64 Amsteel gives you a 10-1 safety ratio.

    With 3/16" Amsteel, the breaking strength is 5400 lbs, so your safety ratio is 34-1. Your whoopies are gonna weigh a lot more than 7/64 Amsteel, but I doubt you have to worry about them breaking in your lifetime, or maybe three generations after you pass.

  4. #4
    Alberta Hanger snidetripod's Avatar
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    Excellent to hear, I thought maybe I had bought the wrong stuff. Now ,to attach my whoopies and go for a cold night hang. Thanks for your quick responses.

  5. #5
    Senior Member goobie's Avatar
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  6. #6
    fallkniven's Avatar
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    I hang from 2mm dynaglide. Your 3/16ths will hold up just fine.

  7. #7
    Alberta Hanger snidetripod's Avatar
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    Got a line on a distro for amsteel in 7/64. Thanks BrianWillan. I will purchase 50 or so feet and get to making some new, lighter whoopies. In the mean time, I will use my 3/16 whoopies. They dont weigh much, but it would be nice to go lighter. Anyhow, thanks for all your feedback. Without these forums, newbies like me would be totaly lost.

  8. #8
    WV's Avatar
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    I use 3/16" amsteel for lifting heavy beams and felling trees (pulling them the right direction if they're leaning too far). Your whoopies will be fine, but I predict that you'll replace them with something lighter eventually. My weight is close to yours, and I hang from dynaglide or 7/64" amsteel.

  9. #9
    Alberta Hanger snidetripod's Avatar
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    Quote Originally Posted by WV View Post
    I use 3/16" amsteel for lifting heavy beams and felling trees (pulling them the right direction if they're leaning too far). Your whoopies will be fine, but I predict that you'll replace them with something lighter eventually. My weight is close to yours, and I hang from dynaglide or 7/64" amsteel.
    Okay, I have heard a lot of talk about dynaglide. What is it? All the pictures I have seen of it look like garbage. Not the dynaglide, rather the pics. I have heard it is better than amsteel. Is this the case? If so, maybe I will order both and see which I like better. Thanks WV.

  10. #10
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    Quote Originally Posted by snidetripod View Post
    Okay, I have heard a lot of talk about dynaglide. What is it? ...I have heard it is better than amsteel...
    DynaGlide and Amsteel Blue are both made of similar fiber.

    7/64" Amsteel Blue is generally considered the lowest strength line for suspension use with a "generous" safety factor even with hangers over 200 lbs. It has an average breaking strength of 1600 lbs.

    2mm DynaGlide is frequently used by lighter hangers (and/or weight weenies) willing to accept a lower safety factor and has a 1000 lbs tensile strength.

    One isn't better than the other...just different specs, different risks.

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