Rope bridge appeal

Many ropes intended for sailing are perfectly suitable for tree work. I’ve been going through Marlow’s line up and they have some fantastic looking ropes in the nautical line up.
 
Yeah, all the rope companies offer some neat products outside of their arborist lineup that work good for a lot of different applications. I got some Yale Aracom T in 3/8" diameter (polyester over aramid core) and have been playing with it a bit... minimum spliced break strength is over 12,000 lbs. and it is easy to splice. Wicked strong stuff... no stretch to it. I got it from a friend who is into sailing, he had a 72' hank of it left over from some boat project and just gave it to me. Very strange to have a 3/8" rope that's as strong as a 5/8" rigging line. Not sure what I'll use it for, yet, but it's cool.
 
JeffGu said:
I've got a hank of the 11.7mm blue/black/red/gold colored polyester doublebraid version that Yale called "Blue Tongue"...

24 Strand Braided Cover -- Solution Dyed Polyester
16 Strand Braided Core -- White Filament Polyester

They also made another (11mm) rope, also called "Blue Tongue" that was blue with yellow/red/yellow tracers that they marketed as an access line, polyester cover, Technora core.

That was a very confusing thing for them to do, but both ropes, I think, have been discontinued.
Neither rope is listed on their site, anymore.
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Some sites that still sell it, don't even advertise what it is made of. That's a little shocking to me but I understand some of the business models.
 
So I'm probably guilty as many, but I should be able to look at every rope I own and know exactly what it's made of. Maybe not all the particulars of its construction but exactly what the materials are. Most of course are nylon and polyester, but I was shocked when I went to sew an eye in that blue tongue and it wouldn't cut with a hot knife.
 
I found that many rope manufacturers don't make the fibres they use, they buy them from suppliers just like Yoyoman buys his thread to sew eyes. I suspect that when they make a rope it has to undergo several volleys of tests mostly targeted towards the intended application. But I suppose some things can't really be improved on without sacrificing other attributes that may be desirable? There may be a cost/ supply thing in play too? perhaps they can get certain fibers cheaper in volume at a given time?
 
Seems to me it blackened and smoked, but didn't really melt. Well, the nylon center core melted some, I kinda smeared it around with the butt end of the lighter, wrapped it real tight with electrical tape and shrink tubed it. I just leave a little of the shrink tube hanging past the end, and drop a little polyurethane glue in there (Gorilla Glue).
 
Stephen Moore said:
I found that many rope manufacturers don't make the fibres they use, they buy them from suppliers just like Yoyoman buys his thread to sew eyes. I suspect that when they make a rope it has to undergo several volleys of tests mostly targeted towards the intended application. But I suppose some things can't really be improved on without sacrificing other attributes that may be desirable? There may be a cost/ supply thing in play too? perhaps they can get certain fibers cheaper in volume at a given time?
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Funny, I never imagined buying thread would be a big deal, my last purchase was almost $1400.00 of thread. Should last a while.
 
JeffGu said:
Yeah, all the rope companies offer some neat products outside of their arborist lineup that work good for a lot of different applications. I got some Yale Aracom T in 3/8" diameter (polyester over aramid core) and have been playing with it a bit... minimum spliced break strength is over 12,000 lbs. and it is easy to splice. Wicked strong stuff... no stretch to it. I got it from a friend who is into sailing, he had a 72' hank of it left over from some boat project and just gave it to me. Very strange to have a 3/8" rope that's as strong as a 5/8" rigging line. Not sure what I'll use it for, yet, but it's cool.
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Perfect for fiddleblocks or similar MA pullover kit. Just today I was looking at Samson’s ultra tech 3/8 as a lightweight, high tensile MA line. Now that I think about it, both your rope and ultra tech have higher ratings than my usual pull lines.
 
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