Another excellent video, thanks! Your production quality is really top notch. Great lighting, audio, the black background to be able to see the rope clearly, really well done.
I like that you are not loading the fig 8 bend. Some research has suggested that a fig 8 bend reduces the rope strength by ~50% as opposed to 25-30% as with the double fisherman's and most of the other knots that we use in RA / Rescue
Hey thank you for your comment. Yes knots reduce the stretch and yes we want to maintain as much strength as possible. But a figure 8 doesn’t reduce it by 50% all the time, this is based on a lot of variables. Over estimate isn’t a bad thing. But even if it did reduce it by 50% we are still within the safety margins of our equipment. But by tying the 8 into an alpine... it reduces all question. CheerS Mikey
thanks. nice one. I like the alpine butterfly as well. I knew this knot as the Flemish Bend. I've also used the Zeppelin Bend often. It's almost jam proof after loading.
Thanks for the video. Even though I've been in the RA industry a long time, I'd never thought how you could tie the double fisherman's 'wrong'. Thanks for that. Also, a little tip from my experience of tying in with a figure 8 to go rock-climbing - if, when you start re-threading, you start from the narrow side of the original knot (just as you did in the video) then you'll find it much easier to untie after loading. If you start re-threading through the bigger gap then it can tighten in such a way that it makes it bunch up under load, making it MUCH harder to untie. Of course none of this matters if you tie the alpine!
Hey there, Thank you for your comment. Yes, just about every knot can’t be tied wrong. Or at least, “less right :p” The alpine fixes all problems! Well in this case haha Cheers Mikey
Nice vid, thanks! I really like the ABK solution, I will implement that if I ever need to join ropes on the field (it hasn't happened yet) and also show it to other people.
@@theropeaccessandclimbingpo2380 for sure plus with window cleaning you're moving fast and it's so much easier to cowtail into the butterfly bump your backup and keep going.
@@theropeaccessandclimbingpo2380 it's knot common :P lol no pun intended. But when you have 7 people on a 35 story building sometimes you need to tie ropes together. Only ever had to do it 2 times though so I was impressed when they did the butterfly technique.
Öh boy! One. Fill the double fish with a key. It will be stonger and easy to open! Two. There are two different 8knotst. Strong and easy open / weak, dificult open. Some pepople do it right but not deliberately. I do Twin knot ( EDK 2 times and 1 filling.
I really like this,makes sense for rope access. How do you feel about stacked overhands? They are my go to for recreational use because they don't tend to get stuck when you are pulling through and are easy to untie.
@@theropeaccessandclimbingpo2380tacked overhands? Do you mean the same as a Flat Overhand Bend by that, or as many people refer to it, the European Death Knot?
If you use the ABK element (which I like) why not just stay with the double fisherman’s knot, (that is already SOP in so many agencies) as it won’t be loaded and will be easy to untie?
Hey there, great question. Feel free. Use either knot. The point of the alpine is to remove the tension from the knot. And as long as you don’t put weight on it as you pass the knot(s). You won’t have an issue. Cheers Mikey
@@theropeaccessandclimbingpo2380 duno about that one bud. A figure of 8 is generally easy to untie. I don't see the benefit here but I will definitely give this option on my work sites. It's a nice option.
Well, i think that can work with double fisherman bend. With ABK, the bend remain unloaded. What do you think about sheet bend? Thank you for your great video!
Thank you for the comment. As for the sheet bend. Good option as long as you back it up. But at the end of the day it maybe not worth it. Cheers, Mikey