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Tech Tip: Question Biner Failure

Discussion in 'Tech Tips and Gear' started by Yellow Dart, Jul 9, 2020.

?

Of your carabiners that have gate failures, which style were they?

  1. Bar-gate (straight or bent)

    100.0%
  2. Wire-gate

    0 vote(s)
    0.0%
  3. I only descend via fast-roping with rawhide gloves

    0 vote(s)
    0.0%
Multiple votes are allowed.
  1. Yellow Dart

    Yellow Dart It's only hubris if I fail.

    Messages:
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    Location:
    La Verkin
    Of the 150 or so nonlocking biners I have in rotation at any given time, over the years I'd say 5-10 of them have failed.

    All of the failures were with bar-gate biners.

    The cause of failure being the little tensioned metal flaps departing the device seemingly randomly, leaving only the spring behind, and the gate to open and close willy nilly. See attached pictures, with the green boxes indicating a properly located flap on a functioning biner, and the red boxes showing where the flap is gone and only the spring remains.

    My question is two-fold:
    1) Is it truly random, or do we know why this happens?
    2) Has anybody ever had a similar failure with a wire-gate carabiner?

    IMG_20200709_1714446.
    IMG_20200709_1715283.
  2. Kuenn

    Kuenn

    Messages:
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    Have experienced that particular failure on a few “bar” biners. Although in all fairness, casting a vote would skew the data because I only use bar biners. Would project a wrong conclusion.

    As in: The vindictive first-mate enters a notation in the ships log: "Fortunately, Captain Simpson was sober all day."
  3. ratagonia

    ratagonia

    Messages:
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    Location:
    Mount Carmel, Utah
    Since a wiregate biner is constructed entirely differently, it is not possible to have a similar failure on a wire gate.

    Locking carabiners have the same spring-pusher mechanism.

    I have had one failure like this I can recall in the last 43 years.

    Tom
  4. Yellow Dart

    Yellow Dart It's only hubris if I fail.

    Messages:
    335
    Likes:
    371
    Location:
    La Verkin
    Yup. I guess my question is asking if anybody's had a wiregate biner's gate fail on them.
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