How many knots do you know/use?

[sime42]

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An apparently quick and easy way to do a Bowline.

Edited June 14 by sime42

[peds]

Sure looks like a bowline. 

My most common bowline uses a 3m tail, with another bowline tied into the same loop with a different rope, with a 1m tail. It does take a little bit of thought, and time, to make sure they all line up nicely.

I'll give this a go, maybe it'll contribute, maybe it won't. 

[sime42]

Why, for what purpose? I'm struggling to visualise that set-up, care to share us a cheeky photo?

[peds]

Let me have a look a bit later for a photo, but it serves as the attachment point for the stretcher and barrowboy in a cliff rescue setup. The loops of the two bowlines, as well as interlocking each other, are tied through a central big metal ring joining four adjustable strops or Purcell prusiks to each corner of the stretcher, or clipped to the same with a big fat maillon or a pair of locking biners.

The two tails, 3m and 1m, serve as tie-in points for the stretcher attendant. The 1m is tied to his chest harness, with a prusik on it to allow travel up and down its length. The 3m is tied on to the belay loop of a sit harness, runs back up through a pulley or a rollclip at the focal point, back down to a belay device (we use Petzl ID for this, other things can be used), then of course back up to the bowline. This gives the attendant a quick 3-1 haul system for running up and down around the stretcher, in case you need to fluff the casualty's pillow or tie his shoelaces or whatever.

Depending on the nature of the terrain, you could need a 2m and a 6m tail, like if you need to do loads of gardening below the stretcher when it is oriented vertically instead of horizontally. 

 

Yeah, I'll try and find a photo later. 

[peds]

1 hour ago, sime42 said:

Why, for what purpose? I'm struggling to visualise that set-up, care to share us a cheeky photo?

 

Right, not the most zoomed in, but you can just about see it all.

 

 

Red and blue are tied in to a big maillon, which then splits to 4 green Purcell prusiks, the 2 at the tail of the stretcher after a jag haul, a self contained 5-1 haul system for easily raising and lowering the tail to grab the casualty, or possibly to negotiate obstacles when descending or being hauled in. Red tail is tied on to chest harness, with a prusik for adjusting the length.  Blue tail going through a mini 3-1, and tied on to the belay loop. 

[sime42]

5 hours ago, sime42 said:

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An apparently quick and easy way to do a Bowline.

 

Got my head around this now I think. So it's basically capsising a slipped overhand knot type of arrangement. Looks like it could be quicker to tie once you've got the knack of it.

 

 

[Canal Navvy]

It's also a pretty good way of demonstrating the importance of setting a knot and using a stopper knot. A slip knot is a bit too close to a Bowline 🤔