Hollow core knots and splices

Discussion in 'Tackle and Rigging' started by pametfisher, Mar 21, 2009.

  1. pametfisher

    pametfisher Senior Member

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    In case you're thinking of using hollow core and splicing and haven't yet, and just for comparison I took some yellow and also some white 80# JB Hollow that I tested to 105 lbs. (didn't break and I stopped). Then tied some knots and splices shown in the photo.

    From top to bottom:

    7-turn Surgeon's: 72 lbs. break
    Uni to Uni: 72 lbs. break
    Line to Line splice: 105 lbs.
    End Loop splice: 105 lbs.
     

    Attached Files:

  2. John_Madison CT

    John_Madison CT Senior Member

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    Nice work ! For a quick knot the surgeons is pretty darn good. BTW, how do you measure so much pull? Do you have a 150lb drag scale?
     

  3. d-a

    d-a Senior Member

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    Nice work ! For a quick knot the surgeons is pretty darn good. BTW, how do you measure so much pull? Do you have a 150lb drag scale?

    I have a 300lb scale for weighting deer on a jig I made that i use for my testing of knots and main line

    d-a
     
  4. pametfisher

    pametfisher Senior Member

    1,386
    30
    Nice work ! For a quick knot the surgeons is pretty darn good. BTW, how do you measure so much pull? Do you have a 150lb drag scale?

    I have a two inch diameter line holder for the top end (made from a piece of 2" PVC pipe and duct tape). That I wrap the line around ten times. If I have a spliced end loop to hold at each end, I use a 1" wooden dowel for the top end.

    For the weights, I have an old 110 lb. barbel set that I can increase in 2.5 lb. increments. I start at a weight and inch up. It's a slow method but very accurate since the dead weight has no stiction (start up friction). Depending on what I'm testing, I have different loops to attach to the 1" rod on the barbells.