I've been putting off getting these 4 splices broken for a while. These are splices I did in February of 2010. I was at the spring symposium this year and none of these splices are from after taking that class. That's going to be for the next round.
Blue arbormaster 1/2" broke at 5410 lbs. dead center of the splice. I pulled the core and just did two 21" splices and it seems to have failed at the "cross over" or more like the meeting point of the two splices. More of a curiosity because I hate the cross over on 16 strand ropes. I only use 16 strand rope for friction savers not as a primary climbing splice, so they are always smaller in size and having a cross over almost doesn't fit. I was showed another way at the symposium that I liked with pulling the core and just making a small cross over with just the cover strands. It's pretty slick and gives a better product.
Blaze 1-2 broke @ 4300 lbs. and about 14" from the throat.
Blaze 3-4 broke @ 4,230 lbs. and about 3" from the throat.
Blaze 5-6 broke @ 4180 lbs. and about 3" from the throat.
Arbormasters tensile strength is 8100 lbs. and blaze is 5600 lbs.
1-2 broke far away from the splice it's self, almost right at the very end.
3-4 and 5-6 both broke at the stitching, which leads me to believe that the stitching has something to do with it. I'm still going to lock stitch but I'm going to be a lot more careful to not disturb the fibers. These seemed to fail right in the middle of the splice. Not sure if that's bad or good.
I'm not perfect and I know I can get the splices to be a lot better, but 4300ish is a good number. I'm comfortable climbing on them. I was hoping for better numbers but I didn't know how much disturbing the fibers really effects your splices. I was a little heavy handed removing the cores on most of the splices and then running them home I took a little bit of aggression out on them.
On this picture the order goes from top to bottom and from from 1-2 to the Arbormaster test.
Blue arbormaster 1/2" broke at 5410 lbs. dead center of the splice. I pulled the core and just did two 21" splices and it seems to have failed at the "cross over" or more like the meeting point of the two splices. More of a curiosity because I hate the cross over on 16 strand ropes. I only use 16 strand rope for friction savers not as a primary climbing splice, so they are always smaller in size and having a cross over almost doesn't fit. I was showed another way at the symposium that I liked with pulling the core and just making a small cross over with just the cover strands. It's pretty slick and gives a better product.
Blaze 1-2 broke @ 4300 lbs. and about 14" from the throat.
Blaze 3-4 broke @ 4,230 lbs. and about 3" from the throat.
Blaze 5-6 broke @ 4180 lbs. and about 3" from the throat.
Arbormasters tensile strength is 8100 lbs. and blaze is 5600 lbs.
1-2 broke far away from the splice it's self, almost right at the very end.
3-4 and 5-6 both broke at the stitching, which leads me to believe that the stitching has something to do with it. I'm still going to lock stitch but I'm going to be a lot more careful to not disturb the fibers. These seemed to fail right in the middle of the splice. Not sure if that's bad or good.
I'm not perfect and I know I can get the splices to be a lot better, but 4300ish is a good number. I'm comfortable climbing on them. I was hoping for better numbers but I didn't know how much disturbing the fibers really effects your splices. I was a little heavy handed removing the cores on most of the splices and then running them home I took a little bit of aggression out on them.
On this picture the order goes from top to bottom and from from 1-2 to the Arbormaster test.
