9

I'm looking to use a piece of paracord as a ridge/sag line in my hammock setup, to do this I want to be able to tie the two ends together in a fashion that will allow me to alter the length of the loop easily but to lock in place - this knot will be taking my weight and my gears overnight so it needs to be solid.

7

I'm not sure how your setup is, but I'd try a Purcell prussik or something similar.

Animated example

You must test its holding Power on paracord yourself, but on climbing cord it's solid enough.

  • Thanks, I'll test this out and mark it as the correct answer if it works :) – Chris J Jun 1 '16 at 11:34
  • With smaller cord you just need to use more wraps if it's not holding. – ShemSeger Jun 1 '16 at 15:24
  • True, though there is a practical limit to the number of wraps. Also cord diameter isn't Everything. Sheath material also matters. – Guran Jun 2 '16 at 6:00
  • @Guran if you're using a Klenheist or Bachmann hitch, then there's no practical limit to the number of loops. – ShemSeger Jun 2 '16 at 14:45
5

There are multiple ways to do what you're looking for. One way I solve this problem is with a metal ring. You attach a fixed knot on the ring, pass one end of the rope through one loop of the hammock, wrap the rope 3-4 times through the ring and then a fixed knot on the other loop of the hammock. Slide the ring up and down the ridgeline to adjust the size.

Dutchgear has an image of this setup. Dutchgear pic 3

  • To begin as a good solution the knot on the left should be a bowline, not sure what it is, but it is not safe. – James Jenkins Oct 25 '16 at 19:46
  • I didn't create the image, (its available in the attached link). That being said, a bowline wouldn't be a good knot either as its not constricting. A buntline would be better. – g19fanatic Oct 26 '16 at 11:33
3

The type of knot you are looking for a called a friction hitch, or a slide and grip knot which is a kind of knot used to attach one rope to another in a way that is easily adjusted.

There are many different ways to tie a friction hitch:

And of course the Purcell Prusik, but the Purcell Prusik was developed for ascending ropes and doing rescue work, it may be a bit complicated to your purposes.

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