Coatesmans Spearfishing Line Break Test
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- เผยแพร่เมื่อ 5 ก.ค. 2024
- A few years ago I did some spearfishing line tests and made this video. I did not post it as the hollow core dyneema that I was using was not available, and is still not available.
This does not mean that the rest of the videos content is not relevant tho, so here it is enjoy.
0:00 Introduction
0:40 Rob Allen & the Dive Factory test rig
1:02 1.8mm Stainless cable with plastic coating.
1:40 1.8mm Stainless cable with plastic coating removed
2:16 2mm mono with 18mm double barrel crimp
3:22 1.8mm std spearfishing dyneema
4:17 1.8mm single braid dyneema
5:19 1.8mm single braid hollow core dyneema spliced with a brummel lock
6:36 line test recap
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Super interesting stuff Chris! I would have thought the stainless cable would have performed much better than it did. I guess it's the most shark proof so if you want to keep your spears when shooting dogtooth it's a good option.
Fantastic video series, really interesting great to see things tested! Thank you.
Nice as always - no theoretical talking but real actions and pure testing 😎🤙🏽🌺🐟💦
Nice Chris, always interesting to see reality vs perception. Thanks for sharing the info.
Dyneema has unrivalled strength to weight ratio, UV resistance, and its (sometimes) advantage that it floats.
I use dyneema a lot on yachts but there are more instances where it is not suitable, especially where you need some stretch (it has almost none), or you have point loading. These are common issues for spearfishing. It also requires some very specific knot techniques to minimise loss of strength or preventing parting. The only place that I use it is on reels.
Mono, with its good stretch is less likely to result in spears being torn out of soft fish or poorly placed shots, whereas SS is generally more suitable around reefs and or for beasts with sharp teeth. Regardless, you will want some stretch somewhere.
Nice Chris, Super interesting! Would be cool to see some abrasion resistance tests too
This was an awesome video Chris! How does the hollow core go with abrasion resistance? And is it fairly prone to muzzle wrap? Could you thread mono down the core to make it stiffer?
Interresting, an example of knot issues, a regular bowline will reduce the breaking strain of a rope by 40%. Some knots work better than others. Splice is always best bet.
Hey Chris, another great video! Is the hollow core dyneema you used available now? Or do you have a suggestion for something similar that is currently on the market in the US?
No have not found anything suitable. All the ones I have come across are not round and flatten out. This causes drag in the water and slows your shaft down too much.
Thanks Chris interesting. I wonder what level of pressure is on the line when pulling those big bluewater floats under by a large game fish.
How close to a 100kg? Maybe another video.
ian mallett 35l float has 35kg of lift less the drag of the buoy moving through the water. So to pull 2 x 35 liter floats it will take more than 70kg of force.
Hey Chris/Rob, Have you done these tests wet? Would being wet affect the outcome? Also is the white Dyneema knot you guys use the best? Is there other knots to test? Cool video thanks for posting.
Was just thinking that. I've had plenty of knots slip on coated Dyneema knots once wet.
@@Jacedives We have not found a difference with the knots we use. Other knots like a bowline do slip more when wet.
Hey Chris, what did you mean the hollow core is soft? Are you saying it is less abrasion resistant and probably not good for doggies around reef?
I wonder about Aussie line ,how much kilos would it break at ?
Aussie reel line, and crimped dyneema would be exciting
We did test crimped Dyneema once, it performed worse than the knotted Dyneema, I don't remember the actual break.
@@RobAllenSpearfishing Soft or Stiff Dyneema?
@@Jacedives The stiff type.
Hi, how can I send you a link? There’s a video with two very nice tricks.
1. When you splice the shooting line with a brummel lock you don’t have to pull all of your shooting line through the knot.
2. When you do your splice, you can take a little bit more than those 70 times of the diameter for finger trap . And then you pull every centimeter One of the small strings out, and cut it. So it slowly is getting thinner and thinner. And you don’t have this sharp edge where it’s breaks anymore. I hope you understand what I mean.Happy to answer any questions.
Nils Weitkamp thanks for this. Yes on the loop end you can do the flip over and not have to pull everything through. I found on thin tight line this was hard.
Tapering the ends is very good to do. Makes much stronger.
what about crimps on dyneema?
Hey Russell crimps on dyneema dont work well.
@@CoatesmansSpearfishing thanks, been using them without issue for many years, glad to learn a better way though, always learning in this game. You explain things very well.