Is this the cheapest rigging setup?

tuttle

tuttle

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Somewhere in the 21st century
Salvaged Dyneema, left over webbing, tube thimble £4...

tube.jpg


tube1.jpg
 
There is alot of metal to dissipate it, plus the rope does not touch alot of the thimble.

Most people miss the fact that dyneema absorbs the heat and dissipates it fast, thats why it used in bullet proof vests.

With all the sorry stories of dyneema, Its all I have ever used, and never had a days worry or issue.
 
tuttle,

interesting fabrication. Looks good.

I've learned even more about dyneema.

It actually does not absorb or take in heat much from a hot surface.

It does degrade at low temperature and melt at low temperature.

maybe, with touching a hot surface, the outer surface of the dyneema would degrade or melt, but does not transfer to the inside strands.

Metal objects in 95 degree F sun get to around 120 degrees F according to my inferred temperature reader. At 150 degrees F, dyneema degrades. I didn't like seeing that just sitting in the sun, the object gets to 120 degrees.

I'm just guessing that dyneema will become weak with heated use or sun and use while touching an object. Only true testing after real work conditions can answer it for sure and I haven't done that.
 
@theXman

Tomorrow I will show a short video showing what happens at certain degrees, I will try and heat a piece of alloy sheet to around 350degrees celsius and see what happens to the dyneema when placed on it, I will also apply direct heat to piece and increase the heat by degrees to show what it can take.

And I think your Degrees F need to be converted to C to show the correct degrade info that is out and about. ;)
 
Why? I am NOT confusing Fahrenheit and Celsius. I've told you this before.

Degradation and melting point are two different things.

How are you going to show degradation at various temperatures, are you going to break test them and record the values? You are not going to visually SEE degradation, unless you do break testing after the heating.

Guess what? Samson already did it and all I did was view the information to steer me away from dyneema in the begining.

Don't believe me? view the chart. HMPE is dyneema. See the F ! that stands for Fahrenheit. See critical temperature, that is the temperature that the rope starts to degrade at. See, it says 150 F. If I am still confusing Fahrenheit with Celsius please show me where I'm going wrong.

http://www.samsonropecatalogs.com/lg_dis...ght/degradation


I was trying to give you a complement on your dyneema thimble thing.

I also tried to say that even if the thimble gets hot, it might not transfer to the whole dyneema sling, because dyneema does not absorb heat from a surface much. I was trying to say your precious dyneema might not be all that bad after all.

Take your C and go F yourself!
 
oh yeah, while you all look at the chart, do you see polyester?

see that it's degradation temperature is 350 F ?

That was one of the big reasons I went tenex tec (polyester) over dyneema on the XRR slings.

Other reasons were that dyneema picks way worse then tenex tec and tenex tec is much more affordable.

My first slings I used for myself on X-rigging rings were all dyneema. More research told me that it probably was not a good idea to use dyneema.
 
you should change your name to relaXman.

im with Murph, 1/2" line sling and a shackle was one of the few things i had when i started rigging. still keep one around all the time for all kinds of stuff.

how about rigging / butt hitching pieces off the rigging line itself with not slings or hardware? probably the cheapest rigging set up, its just the line
 
I just put strands of dyneema on a piece of alloy sheet, set my Steinel at 390c (734F) underneath, and the surface was so hot it evaporated water in seconds, the 3 pieces I placed on were, approx, 0.5mm, 1mm and 3mm - they were visually uneffected. (and the 0.5mm still had strength)

I also applied direct heat at, 60c (140f), 100c (212f), 140c (284f) and 170c (338f)....only at 170c (338f) do you see serious melting.

I can understand your feelings on what the eye cant see, but that said, I will dip it in a bucket of water on its next outing, bare in mind, in the UK we are lucky to work in temperatures above 15c (60f) ;)
 
Great tool to have in the truck whether it be dyneema or tenex or what ever you like any tool used in the right place for the right job is the best tool.
However the header is 'Is this the cheapest rigging setup?' And the answer is no a single rigging line through a crotch wrapped around the trunk would save you the entire cost of this tool. But we all know that not to be the best way usually.
So great, simple, cheap idea? For sure it is. You don't always want to be the cheap guy. But very good idea
 
I was given a B'ham ring/ring false crotch. Since I stopped using Ring/ring FC's about a month after using one after switching to using biners/pulleys the B'ham was in the bucket w/other FC's at the shop, doing nothing. I decided to use it for light rigging and rigging redirects. It was perfect for this configuration. Since I was given the FC it makes it even cheaper than cheap!
 
The dyneema was salvaged for netting, used for military drop nets, but unused.

I paid next to nothing for 2 nets, had 350m in 7m lengths, I started my rope business from scratch, so for the £20 investment its turned in a 25k turnover :)
 
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