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  1. #11
    BSAC / IANTD recreational diver tbs_'s Avatar
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    EDIT - See below
    Last edited by tbs_; 15-04-2023 at 11:46 PM. Reason: I meant to hit Reply with Quote

  2. #12
    BSAC / IANTD recreational diver tbs_'s Avatar
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    Quote Originally Posted by Divemouse View Post
    I guess if you were concentrating on reeling up and didn't want to keep stopping to look at your computer, it would be handy to know when you were about there? And yes, some people do have to stop and look properly - a quick glance just tells me the shiny thing has some numbers on it.
    This is the reasoning behind my suggestion.

    The more I think about this, I think looking at the computer is a necessity either way - I look at the computer if there's no visual point of reference to gauge whether I am perfectly neutral.

    I made a demo double fishermans knot with the spare line, and as confident as I am that knot this would be capable of holding itself, I am going to go foreward with the suggestion to use permanent markers instead as this avoids the potential failure point of the knot altogether.

  3. #13
    Established TDF Member Paulo's Avatar
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    Quote Originally Posted by tbs_ View Post
    This is the reasoning behind my suggestion.

    The more I think about this, I think looking at the computer is a necessity either way - I look at the computer if there's no visual point of reference to gauge whether I am perfectly neutral.

    I made a demo double fishermans knot with the spare line, and as confident as I am that knot this would be capable of holding itself, I am going to go foreward with the suggestion to use permanent markers instead as this avoids the potential failure point of the knot altogether.
    Remeber that the line will not be at the surface, but about 0.5m beneath so 2.5m is 3m, 5.5m is 6m etc
    If my post doesnt have a typo, then I have probably been hacked!

  4. #14
    Happy atheist, despite the "evidence"...
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    Quote Originally Posted by Paulo View Post
    Remeber that the line will not be at the surface, but about 0.5m beneath so 2.5m is 3m, 5.5m is 6m etc
    Quite right - 0.5m depth error is really going to bend / tox you.
    Happy to be a woke* feminist SJ(K)W snowflake in a godless universe, no matter what some experts think. And Braun was a twat who's not missed. At all.

    * Had to add woke; couldn't resist.

  5. #15
    Established TDF Member Energy58's Avatar
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    Quote Originally Posted by Divemouse View Post
    You could just colour in a good chunk of it at that point with magic marker instead?
    I do this^ and its free!!! Deco is an extremely inexact science and 6" is probably not actually measurable in real worlds so if you colour in about a foot of line with a sharpie at the 6m level that gives you a reasonable datum, you could add another at 9. Dont think I would tie another line on, not because knots weaken the line (I have a loop tied in the end of my line already so thats unlikely to be an issue) but simply that even a well tied knot will increase the chance of snagging. If you do want to add a different coloured line then the double fisherman's bend is probably the best to use or one of those weird barrel knots or maybe a bimini twist (but I have not tied one in a line as thick as a DSMB line but it should work) and add nail varnish for a bit of added security

  6. #16
    Established TDF Member steelemonkey's Avatar
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    Quote Originally Posted by Energy58 View Post
    I do this^ and its free!!! Deco is an extremely inexact science and 6" is probably not actually measurable in real worlds so if you colour in about a foot of line with a sharpie at the 6m level that gives you a reasonable datum, you could add another at 9. Dont think I would tie another line on, not because knots weaken the line (I have a loop tied in the end of my line already so thats unlikely to be an issue) but simply that even a well tied knot will increase the chance of snagging. If you do want to add a different coloured line then the double fisherman's bend is probably the best to use or one of those weird barrel knots or maybe a bimini twist (but I have not tied one in a line as thick as a DSMB line but it should work) and add nail varnish for a bit of added security
    Nail varnish can degrade some man made fibres. Check it does not affect the line.
    Paul.
    If God had meant us to breathe underwater, he would have given us larger bank balances.
    Human beings were invented by water as a means of moving itself from one place to another.

  7. #17
    All hail ZOM Woz's Avatar
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    Quote Originally Posted by Divemouse View Post
    You could just colour in a good chunk of it at that point with magic marker instead?
    Do not do this. I had a line snap on me as the DSMB went up as the solvent in the marker pen weakened the line.
    I have nothing to do with BSAC any more apart from being a muggle member. So anything I write on here is likely to be complete bollocks. Hooray!

  8. #18
    BSAC / IANTD recreational diver tbs_'s Avatar
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    Quote Originally Posted by Woz View Post
    Do not do this. I had a line snap on me as the DSMB went up as the solvent in the marker pen weakened the line.
    Oh dear - what kind of marker did you use out of curiosity?

  9. #19
    All hail ZOM Woz's Avatar
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    Quote Originally Posted by tbs_ View Post
    Oh dear - what kind of marker did you use out of curiosity?
    Just your boggo standard Sharpie
    I have nothing to do with BSAC any more apart from being a muggle member. So anything I write on here is likely to be complete bollocks. Hooray!

  10. #20
    Cheeky Monkey... Paul Evans's Avatar
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    If your intent on doing this with a spool, just tie a bloody knot in the continuous line at 5.583m (This Measurement is calculated for a AP self sealing dsmb obviously ) you wont be able to see it in our VIZ anyway FFS!! so God knows why you want to use a marker!!!
    And in the name of religion, For the hate in our soul
    For the blind and the sick in the heart, War has taken its toll
    If only you could feel the tears and pain, In the eyes of the world.
    Glover/Blackmore "The Eyes of the World"


 
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