Thanks for the comment, yoyoman. I agree on, that shock cord presents its own unique challenge, and it would be a separate thread to handle that subject. I only used this subject to present the challenges involved when you deal with elongation of rope. I hope that someone could get detailed...
Have you got your sewing machine, yoyoman? I should love to have one for Christmas, but I don't think my family agrees on that...
Moss, I shall look forward to read about your test results on your retired sewn eyes. I suspect, that most break tests are made on new ropes and new designs and only...
Moss, did you or others break test an eye that was taken out of use due to the wear of rope or cordage?
I am concerned whether “rock hard” is good or bad and thinks of the sudden change from the rock hard part to the soft rope part leaving the eye. I have the same concern for your eyes as for...
Hopefully I can provide some life to this interesting thread again. Safety is a serious issue, and when you have witnessed an accident then you know. When you know something about the issues involved in an accident, then you will use a lot of time afterwards to think about whether you could have...
I have a non-safety application using shock cord. For this I have made some experiments on different kinds of eye terminations of shock cord, and one of them is a sewn eye. In this photo you see the eye with the Ø10 mm shock cord pulled to a length of 220% of its unstressed length.
Notice, that...
I would feel safe using these eyes CBM.
The stitching awl I use is this:
https://www.awlforall.com/merchant2/awlproducts.html
This Awl and the competitor the Speedy Sewing Awl are sold all over the world. I have the #8 and the #5 needle to it. I have measured the diameter of the needles, at...
Thanks for your reply. I have no doubt of your rope eyes, Moss, and especially not after I made this test:
This test was done on a kernmantel polyester rope with a diameter of 1/3 inch.
When you start to pull these two part apart, then the mantel starts to compress the core on the 3 inches of...
I have reading this thread with interest, and decided to join this forum. I do not climb in threes, but I have used ropes for climbing in mountains and securing on glasiers. And then I use ropes for some acrobatics and gymnastics use including chock cords. I have read several places concerning...