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23rd June 2022, 04:55 PM #1
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Sealing nylon rope ends - finally cracked it!
Caveat - got the technique from a guy on youtube.
We've all done it – used a cigarette lighter or a stove to melt the end of plastic ropes, ending up usually with a big expanded mushroom head that is prone to unravelling.
So Aunty Google was my friend and I watched the technique. It's pretty simple really:
- Wrap some non-plastic tape (masking is best) around the rope three times - as tight as possible.
- cut yer hideous nob–end off with a super sharp knife
, through the tape wrap. You could use a properly sharp chisel too. Whatever you use, don't saw the cut back and forth – the cleanest cut is from one push through or at the most, rocking it through. Sawing the cut with a knife just makes it ragged to start with. - scorch the exposed end with a windproof cig lighter or similar (one that has a fierce flame that doesn't waft about). The tape might catch fire a little - just blow it out. Depending on the rope composition it might need a fair old scorch.
- take the tape off, and reuse for the next one (so don't cut through the middle of the wrap – keep the cuts towards the end, and you'll get 3 cuts per piece of one inch masking tape)
I also find it useful to very carefully do a light scorch around the circumference of the rope right below the new end to tamp down any stray fibres. This is done after the tape is removed (and you may find that the last 1-2mm of tape stays on the rope – its removal may cause those stray fibres, you see).
I did about 24 or more this morning with no misfires (I keep quite a few ropes of many lengths in the Ute).
Rope ends 1.jpg
Rope ends 2.jpg
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23rd June 2022 04:55 PM # ADSGoogle Adsense Advertisement
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23rd June 2022, 05:56 PM #2
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Thanks for sharing.
I thought I had achieved a good result by using some heat shrink to secure top ends but over time the heatshrink gets pulled off.
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23rd June 2022, 07:30 PM #3
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Has anyone tried super glue?
CHRIS
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24th June 2022, 08:23 AM #4
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FF,
Could you tell us a bit more about your "hand-gun gas lighter" please?
I have never seen one of these before !
Many thanks!
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24th June 2022, 08:58 AM #5
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I use heat shrink and then a MAPP gas torch to seal the end.
Originally Posted by pippin88
A butane torch also works well.
I call them BBQ lighters. Ours never have any gas left in them when I go to use them as SWMBO uses them often to light scented candles and tea lights. Originally Posted by yvan
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24th June 2022, 10:10 AM #6
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It's just a refillable lighter from a cigarette store that cost $10. They probably even have them at supermarket cig counters. Basically just a miniature butane torch. Originally Posted by yvan
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24th June 2022, 10:17 AM #7
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Isn't the MAPP gas a bit fierce for this purpose? Originally Posted by BobL
When pippin put his post up I thought that maybe a combo of the two ideas might be even better and there's no harm in leaving the heatshrink on, but then I figured the heatshrink might melt and burn. I'll have to give it a try when my heatshrink kit arrives next week.
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24th June 2022, 10:55 AM #8
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Probably but I use a Low flame and don't hold it too close. Originally Posted by FenceFurniture
Depending on what sort of Nylon, it softens at temps between 220 and 270ºC. At 350-400ºC, standard shrink fit will shrink and soften and eventually char so you need to be around 300 to get the optimum effect. I reckon the heat shrink will have better temp resistance than PVC electrical tape which softens at about 100ºC.When pippin put his post up I thought that maybe a combo of the two ideas might be even better and there's no harm in leaving the heatshrink on, but then I figured the heatshrink might melt and burn. I'll have to give it a try when my heatshrink kit arrives next week.
I have a hot air gun with adjustable temp to +/-25ºC - I should try that next time.
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24th June 2022, 01:19 PM #9
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Simplest I find is to use silver rope and do a back splice
Cheers
DJ
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24th June 2022, 03:09 PM #10
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I heat the nylon rope over the gas stove and while the material is still soft, and hot, I squeeze the end into a pointed shape. Easy. Best to wear heavy gloves for this purpose
.
Regards
PaulBushmiller;
"Power tends to corrupt. Absolute power corrupts, absolutely!"
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24th June 2022, 03:25 PM #11
China
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If you want to keep things really simple just use a hot knife.
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24th June 2022, 03:48 PM #12
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I suspect that heating the knife would take longer than this process. I can do 6-8 of these in about two minutes. Originally Posted by China
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24th June 2022, 08:46 PM #13
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My heatshrink kit arrived this arvo, and this was the first thing I tried. The heat gun melted the end of the rope very easily and without burning (but the test rope was a bit of a pussy compared to a quality rope). Works very well, but I can see what you mean about the shrink potentially coming off. Originally Posted by pippin88
Next week I have a box of adhesive lined HS tubes arriving, and I think they will obviate this problem. I suspect that this will be the strongest, quickest and neatest solution of all.
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24th June 2022, 09:24 PM #14
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I have an Aldi gas powered soldering iron kit that includes a hot knife tip; it only takes about 30 seconds to heat up and seals the rope end as it cuts. Only cost about $30 or so. Originally Posted by China
Nothing succeeds like a budgie without a beak.
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26th June 2022, 09:53 PM #15
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Hey Brett,
Remind me to show you how to back splice.
mick
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