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Posts posted by Ropey
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Bugger, Just lost to you pommys. Just not enough runs on the board!
Good luck in the final!
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I can fully understand you frustration regarding CE compliance having been caught up in this process for several months now myself.
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no user input...thats what the forums would be for. anything that was put on this website as a definite guide would have to be researched information, not just someones take on a knot and their opinion...i think the reasons are pretty obvious why
Have a look at our web site Steve, there is a link to a great animated knot website. You could extend to Knots and splicing as there are some knowledgeable guys on here.
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Go The Kiwi's huge win on the last ball over the pakis
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Sorry to hear you are leaving us. All the best. Might pay to take a heap of Armor Prus back with you, it would cover your drinking bills.
Give me a yell if you are interested and I will work out something for you.
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They are in the same I believe.
Teufelberger own New England ropes.
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This is the old "Kernmantle" debate. The rock climbing fraternity have evolved this term over the years to refer to a braided cover (Mantle) over a bunched parallel core (Kern) like the Donaghys NRG or the NE Fly and most Dynamic climbing ropes.
This however is not totally correct. Moby has the correct definition in 'a textile rope consisting of a core enclosed by a sheath' the key here is the core which can be braided, parallel or stranded.
So believe it or not the term Kernmantle rope covers all the braids apart from a solid braid.
It would loosely cover the likes of the 16 plait constructions as these have a Kern of fibres to keep the braid round but these fibres do not carry the load so you could argue both ways here.
The ropes used in the Arb industry are specialist ropes designed for this purpose and are quite different from “work from height” ropes.
Arb ropes have elastic Elongation ranging in the range of 2% - 6% approx.
You tend to get around 3% just with the braiding of the fibres then the fibre elongation as well but this can be reduced by heat setting the ropes once made.
If the rope is too stretchy (Dynamic) then you use to much energy climbing up them, not enough and it makes it hard to position around trees. “This is a personal thing.”
I hope this helps or not……….
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Happy Birthday Dean. I would send you 10 bucks but it is only worth 4.70 in your money, by time i took the postage off it would be better for you to send me some cash.
Have a good one or two or three.......................
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I would think some of your gear would be worth getting in the UK but anything made locally will be cheaper. Ropes for example. I am sure there will be guys who have brought gear in both NZ and the UK that could point you in the right direction.
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I have been thinking about this for some time now and I am sure the answer is 2.
The answer is always 2
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Armour throw (instead of prus)
I like it!
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I am sitting here looking at all the different types of throw lines, they all look reasonably simple in construction but I do understand they perform quite different in the field.
My question is which one is the best and why.
....Dyneema or Polyethelene?
....To coat or not to coat?
....Colour?
I would apreaciate your thoughts as this will help in the future direction of our product.
And by the way, if anyone comes up with a great name I will throw in some Armor Prus cord along with a new throw line.
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Treeworker
am after some 12mm for lightweight rigging rope with no pulleys ect
Heres my five bobs...
Looking at both your links i would go for the honey Bros.
This has a 24 carrier cover which means the yarns that make up the braid cover are thicker, this will give you better wear and tear.
The Treework link shows a simular product but this has a 32 carrier cover, these sort of covers even 48 or 52 are common in Europe where braiding machines are set up for Climbing or abseiling ropes. The higher the numebr of carriers or yarns in the cover the thinner they need to be to fit around the core. The high number of yarns makes for a nice feeling and handling rope however as the yarns are thinner they tend to wear or snag easier.
I am sure both suppliers will have options but if it were my money go for the 24 carrier.
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if your a small company i always think "your name" tree surgery/tree care work best
Id call my company
Tom Sellick Tree Surgery
or
Tom Sellick Tree Care
Just make sure you grow a decent slug under your nose:001_cool:
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I recall the "Falling Cranes" Vid being a hoax. The first in is for real however the green crane is photoshopped.
Good try......
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Interesting.
Yes I do want some, and I would like to know who supplies it.
On a completely unrelated note, yes, I believe there are issues with supplying gear without CE marks, even if you sell it as "accessory cord", since everyone knows what its really for anyway. If someone did come a cropper using it then the supplier could well be held liable.
FWIW, there are good reasons why armor prus does not have a CE mark, although they wouldn't stop me using it as a hitch cord.
You are right Peter, there is a good reason it is not CE marked. It is a mine field of red tape and paper work if you produce outside the Eu as we do.
Ap meets and exceeds every standard out there, you would think to get Ce approved it is just a formality....Ha I say, Lots of cash and time, that is the answer.
We have not given up but it is a hard road and as 95% of our products are sold "down under" it has to be justified as a cost.
Having said that I'm sure we can make an accessory cord to the sample specifications, this would be great for tying on Binos and holding the chainsaw.
If it was used as a prussic as it twin sister AP is everywhere else I'm sure there would not be a problem. All a personal choice I would think.
Thanks for your support guys, hopefully I can let you all know soon where you can get it form locally.
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This isn't true as the the needle separates the fibres as it passes through the rope during sewing. Sewn terminations are stronger than a knot and i like the idea of less bulk and no chance of it coming undone (i hope).
On high end fibres like Dyneema, Vectran and PBO the needle does damage the fibres, high strength cores rely on all the fibres sharing the load as these fibres have very low stretch. this is the same as catching a fibre when doing a splice, it will weaken the termination.
Having said that you are correct in saying that either a sewn or spliced termination is better than a knot.
Never say never, i have seen sewn terminations fail under testing. As has been stated previously this is irrelevant as ropes should never reach these forces.
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until i began working with rope manufacturers i thought the very same, the word kernmantle is German & means core & outer/sheath, and i recently forgot this which lead to great confusion. it would be wise for every one in our industry to stop miss-using this word IMO
I don't agree with you here although technically you are correct. Kernmantle is in fact German, the Kern refers to the inner core which is typically constructed of twisted parallel fibres and the mantle the outer a protective sheath as you say.
Although Kernmantle could be used to describe core dependant rope it is not common, in fact I have never been confused as to this point.
I don't believe there is any confusion in the industry (Arb or other), Kernmantle ropes almost always refer to a parallel cored rope either dynamic (climbing) or static (Abseiling or Arb)
Referring to a core dependant braid like Spectraspeed as Kernmantle for example IMO is incorrect so I can see how anyone doing this could be confused.
If it has a braided core with a braided cover then it should be referred to as Double braid or Braid on Braid.
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I would say lucky to stay on the planet as long as he did!
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double braid is kernmantle, by kernmantle do you mean rope which has a core which bears >60% of the load?
Double braid is not Kernmantle! These are two totally different constructions.
I would also question whether a sewn termination is stronger than a splice, with some fibres the sewing can reduce the strength of the rope as the needle breaks the fibres as it passes through the rope
We have tested both knots, splices and sewn terminations, the statement made earlier about knots reducing the strength while not accurate in % is in fact truce, some knots can reduce a ropes strength by 50% which I have personally seen. On the other side of the coin I have also seen spliced ropes retaining 100% of the original break load of a rope and during testing the rope failed before the splice.
All this depends on who has done the splice or knot and the care taken. Not all knots and splices are the same I can tell you.
I read somewhere in Arbtalk that you should take just that little extra bit of time to dress you knots and may sure there are correct, this I would reinforce 100%. The difference is huge.
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This has too be a piss take! how can a stump be "a thriving habitat for numerous wild life"
I hope the owner didn't want to keep that lawn nice like.
Just can't believe this...........
My splicing attempts
in Splicing Forum
Posted
Great looking splices, did you use a double braid splice on these?