Slick progress capture hauling system with a Tibloc
I first saw this on the Instagram of Vladislav Babikov, @babikov_vlad, an Israel based EMT and rescue expert. Thanks Vlad!
Here’s a compact and efficient progress capture haul system that uses a Petzl Tibloc as a rope grab and a fixed side plate pulley.
Here’s the gear you need:
A large HMS carabiner
A second locking carabiner of any flavor
Pulley with fixed side plates
Petzl Tibloc
Note the pulley with the fixed side plates. This is important. I tried this with a small swing arm pulley, and didn't work.
(If you want a name brand fixed side plate pulley, the Petzl Fixe would be a good choice. The one I use here is a cheapo I got on the interweb.)
I will admit that it took me a rather embarrassingly long time to figure out how to rig this from only the photo that Vlad posted! I'll save you some time with this step-by-step photo sequence that worked for me. =^)
Step 1 - Place the Tibloc on the rope, with the top of the Tibloc pointing toward the load. Clip the pulley with the large HMS carabiner as shown.
Step 2 - Place the rope through the pulley as shown.
Step 3 - Clip the HMS carabiner through the pulley as shown, aligned like this.
Step 4 - Clip the second carabiner (blue) as shown. (This is why you need that fixed plate pulley; it has enough room to clip the blue carabiner in so it doesn't rub on the rope.)
Step 5 - Finally, clip the second carabiner to the anchor.
This hauling system is very smooth and efficient because of the pulley. The rope runs in a straight line through the system without any sideways torquing or twisting. You also don't lose any of your progress between pulling strokes, even better.
A little trick with the Tibloc - it may seem that this is a one direction system and can’t be reversed, but that's not quite true. A Tibloc trick to make it reversible: push up on the spring loaded orange hood, and then sort of rotate the Tibloc in a counterclockwise direction, which should release the teeth, allowing you to lower your load if necessary.