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Dry Gloves and Bungee Mounts

Discussion in 'Dive Equipment' started by Harvey-NG, Oct 12, 2018.

  1. Harvey-NG

    Harvey-NG Member

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    Does anyone have a solution to using bungee mounts on computers and getting them over large ring dry gloves (kubis in my case)? I can't get the bungee over the rings and still have it tight around my wrist - maybe I'm just skinny - but at the moment it's a choice between pulling the bungee tight once on or placing the computer over my hand instead - like I do with a compass. I'd prefer not to go back to wrist straps, the shearwater ones are good but my eon core strap is ridiculously long and cumbersome.
    Any ideas?
     
  2. Wibble

    Wibble Fish don't talk
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    Not sure it's an issue. I've Kubis and use bungees for my computer and compass. Neither are too tight to get over the ring, but are tight enough to not move around during a dive.

    I use "bungee" cord, several rubber bands surrounded by a material mesh. The Shearwater came with "surgical tubing" which I don't trust: it'll fail catastrophically IMHO, whereas bungee will fray as it's failing.

    Will dig out a photo when I get home.
     
  3. splinter

    splinter Active Member

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    I've also not had a problem with bungeed and kubi rings. The bungee on my OSTC is not as stretchy as the stuff On my back up vyper, so maybe different bungee might help.

    Sent from my SM-G950F using Tapatalk
     
  4. Dave Whitlow

    Dave Whitlow Well-Known Member

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    I have my OSTC cR on bungees and is goes over my 90mm Kubi rings without a problem. Sounds like the problem is the eon core ;)
     
  5. Wibble

    Wibble Fish don't talk
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    My wrist-mounted kit. Uses 3mm, 4mm and 5mm bungee -- whatever I had at the time.

    Wrist-mounted bungeed kit.jpg

    The thicker bungee on the compass has lasted ~4 years and hundreds of dives, so has the thinner bungee on the backup computer strap for that matter.

    Main thing is to *not* use the surgical tubing (IMHO) as this will catastrophically fail as there's only one piece. Bungees have umpteen strands of rubber plus the outer mesh.

    I tie them as a single loop with a knot to stop the bungee completely unravelling if one side's broken. Example here of the compass showing the figure-of-eight stopper knot in the middle and the fisherman's bend knot.
    Back of compass.jpg
     
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  6. Harvey-NG

    Harvey-NG Member

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    Thanks for the photos - that's a good system you've got tying the knot in the middle. Maybe I'm just using really unstretchy bungee cord - I'll try some other stuff.
     
  7. timmyg

    timmyg Super Moderator
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    I prefer to use 2-3mm bungee and do 2 separate knots. First of all it creates redundancy. Secondly the knot sits in the slot between the 2 holes.

    All my kit is at my work address but I’ll check the wife’s computers to see if I have an example to show.


    TG

    Sent from my iPhone using timmytalk
     
  8. timmyg

    timmyg Super Moderator
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    Just realised I had some pics for a blog I’ve still got to write

    [​IMG]


    TG

    Sent from my iPhone using timmytalk
     
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  9. jb2cool

    jb2cool Moderator
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    Am I crazy or does that stopper knot serve not much purpose. If the knot joining the ends of the bungee comes undone all that’s stopping the whole thing falling off if the 180° bend through the housing that could easily pull through, I can’t see that the stopper knot really adds that much.

    Yes the knot does protect against a break/cut in the bungee but it’s still vulnerable to the main knot.

    I tie mine like Tim, two completely separate independent loops.
     
  10. Wibble

    Wibble Fish don't talk
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    The knot is a single point of failure. It does allow a little adjustment between the bands. Tying two loops means double the work of getting the exact sizes.

    Normally I'd do a double fisherman's knot which has the advantage of consisting of two knots. For whatever reason, four years ago, I tied a double sheet bend.

    In reality, knots on bungees seldom fail -- assuming the correct knot is used -- as when pulled tight, the bungee holds it together.
     
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  11. Zubar

    Zubar Active Member
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    I may have a simple solution for you. It’s what I do with mine when using a wetsuit which has a much smaller wrist diameter. I’ll have to try and explain as I cant be arsed to do pics, at least for now.

    I have an OSTC with four corner holes. I have a continuous bungee loop (not lost it yet), it is threaded so that, on the front left and right holes the bungee passes up through say the left hole, along the front edge of the computer and down through the right hole and on to form the loops etc. It’s the same at the back.
    When on the wrist and looking at the front edge of the computer there is a line of bungee exposed running across the front.
    If you grasp this piece of the bungee and pull/stretch it up and over the face of the computer to the back and pass it round the chassis of the computer it pulls everything much tighter. To remove just pull it back over to the front and back to normal again.

    This means I can wear my computer with my dry suit but also with a rash vest and a simple flick over of the bungee sorts it out.

    If you reeealy need pics let me know and ill do some.

    C
     
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  12. Doomanic

    Doomanic Dinosaur Wrangler
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    I do the same and there are pics of it on here somewhere...
     
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  13. timmyg

    timmyg Super Moderator
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    I just have bungee loops that are sized & work on a dry suit & a wetsuit.


    TG

    Sent from my iPhone using timmytalk
     
  14. Harvey-NG

    Harvey-NG Member

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    No that makes perfect sense, I'll try it over the weekend :)
     
  15. Tel

    Tel Super Moderator
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    Here's an alternative that i've seen a mate rig and use. It doesn't need to go over the rings,
    but will need to play a bit to get the tension just right. It's kinda an adjustable bungy mount :)

    Depends on the mount you have, but you tie a granny knot in the bungy about 300mm from
    one end. Now pass it through the underside pulling it tight to the unit and thread it back into
    the other hole on the same side.and tie another knot. You should have a slight loop of bungy
    on the top trapped between the two knots.

    Now loop across the back tight to the diagonal opposite hole, do a knot again and repeat the loop.
    You should end up with two lengths of bungy hanging down from the diagonally opposite holes.
    With two loops of bungy between each hole on the top.
    .
    Need a small round bead (same as you get on BC pockets etc.), big enough to be trapped by
    the bungy, but not so small it slips through.
    Slap unit on, bungy around wrist and push bead through loop, then adjust and tie a knot in end
    when happy. Do the same on the other side.

    Sure you end up with two small beads either side of the unit, but can buy black ones if you like :)
    Very easy to use, is one single piece of bungy and has redundancy if one side breaks + won't
    need to fit over ring.

    This won't work if the loop is too slack, but get the tension right and it's real easy.
     

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