Hitch cord for 9mm rope?

[withspark]

Howdy all,

I'm looking for recommendations for a hitch cord that would work well on 9mm rope. I am also interested in recommendations for climbing hitches that are releasable under load.

Thanks

 

[TheJollyLogger]

That's awfully small for climbing line, going to be hard to grip. What brand is it?

 

[withspark]

Hi, thanks for the reply. It will be a variety of type B semistatic ropes, such as the Petzl Push rope. The use case is in a cave, but i figured tree guys would know more about hitch cords.

 

[TheJollyLogger]

You always want your hitch cord to be smaller than your lifeline, but most hitch cords are 8 mm, so there won't be much of a difference. It sounds like you will be using a single rope, so some sort of device like a hitchclimber will be necessary to keep the hitch from locking up. As far as hitches go, my favorite is still the VT.

 

[withspark]

Could you elaborate on "the hitch locking up"?

 

[TheJollyLogger]

Most friction hitches won't release well on a single rope... your body weight binds it up. On a traditional doubled rope technique it is only holding half of your weight, so it releases. Various devices are used in single rope technique to solve this problem...


https://www.treestuff.com/notch-flow-adjustable-rope-wrench-purple-splash/