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November 24, 2020 3 min read
Dyneema rope has fast become the market leader for performance rope. Dyneema is an Ultra High Molecular Weight Polyethylene fibre that was developed in the Netherlands just over 20 years ago.
Dyneema is lightweight and is the World's strongest fibre. Being lightweight and strong are not the only characteristics, the dyneema fibre is also water and UV resistant.
Here at Sailing Chandlery we sell a huge amount of dyneema rope in various formats, whether that be a 12 strand dyneema rope, or a dyneema core rope with a harder wearing jacket. We stock a good selection to help you with everything from your trapeze lines through to yacht halyards.
If we have a think about where dyneema could be used on your boat there are initially two areas to review:
Think about your trapeze lines, can you replace the heavy wire with 2mm dyneema? A 2mm dyneema will come with around 450kgs of average breaking strain, plenty to hold you up above the water.
Your shrouds are the same, many pre-stretched dyneema ropes can act as shrouds too.
Also think about your shackles, probably metal and probably bouncing on and damaging your deck and boat in some areas. Our dyneema shackles are lightweight, easy to connect and certainly won't leave chunks out of your deck.
If you put a polyester rope under strain it's going to stretch. If you are using a 10mm braid on braid rope for your yacht halyard you will see around 3.7% stretch at 20% of the breakload. The average breakload would be 2,400kgs. If you change that for an 8mm dyneema core halyard rope the stretch would be 1% and you would increase the breakload to 3,570kgs with a thinner rope. Thinner rope means less friction while hoisting and retrieving your sail.
With dyneema being stronger is does mean you can work with thinner diameter ropes. Another popular thing to do is to taper halyards down to only the dyneema is showing along parts of the rope. This retains the strength you need but reduced friction where fast launches are needed.
Having less stretch in your rope will help to keep the sail where it should be keeping the sail shape leading to more speed through the water.
With just these two options you should have been able to help reduce the weight on your boat, along with the friction of your ropes as they go through the systems. We've also potentially improved your sail shape, or at least kept the sail where it should be in the gusts. This has made your boat lighter, easier to sail and hopefully faster.
We sell a variety of dyneema cord at Sailing Chandlery. Our most popular are the 3mm dyneema and 4mm dyneema ropes but we also supply dyneema from 2mm through to 12mm.
You will need to choose whether you need a 12 strand dyneema rope or a dyneema core rope with a harder wearing jacket.
Read more about our dyneema cord options.
If you have questions about any of our dyneema ropes then please do get in touch, our team are here to provide you with helpful advice.
I rang to request some advice on replacement parts for my dinghy and was very impressed with the excellent advice and efficient delivery of the required parts. Many thanks
Great product, safely packaged, delivered on time, at a competitive price. One more thing - the person on the end of the phone is an actual person, informative, helpful, knowledgeable and pleasant. What more could you ask for.
The sales team were quick responding to our questions, dispatched to us promptly, and the product is a perfect replacement for our old tiller which ended up at the bottom of a lake!
It was time for me to upgrade to a newer Ilca and it was recommended that I get a Devoti. The price was competitive and the service from Andrew and his team was fantastic. I received lots of communication and the boat was delivered to me within 2 weeks. It is really great that Sailing Chandlery take the time to set up the rigging so that you can get straight on the water. I am very pleased with my new boat and am loving sailing it. Thank you Sailing Chandlery!
Ordered a dyneema RSAero halyard on the Thursday. It arrived by mid day on the Friday and was used on the Saturday. Excellent product and service. Thank you
Cover arrived after three days and is well made and completely covers the boat boom up . The straps and clips all work fine. Good product.
My local chandlery were unable to supply a white inspection hatch and so it was amatter of looking online. Sailing Chandlery had the cover I needed in stock at a good price and delivery. I had never used them before but the service I received was excellent with the delivery on time and the hatch is now fitted.
I will definitely return, especially with the discounts on offer. Thank you Sailing Chandlery!
Always happy with my orders from Sailing Chandlery. They are quick to post and very helpful when I have had a question.
Jason delivered the boat on time at Hayling Island Sailing Club. The boat was new and all the spars were in perfect condition. Jason came to pick up the boat and return the deposit which I gave at the time of the delivery. Every interaction with Andrew and Jason were handled very professionally. I will recommend to any sailor Sailing Chandlery in the future. I really appreciated how easy it was to charter this boat. Thank you very much. Jacques Kerrest
Prompt delivery, with helpful updates and time slot spot on. Perfect new sail at a great price and the number fixing service is well worth it. It even won its first race! Thank you.
I needed GBR letters for the ILCA Europeans and they arrived by the next post.
I made a mistake on my order and it was put right at zero cost to me ! Amazing !
I’ll certainly be back
Product exactly what I wanted
Excellent service and prompt delivery.
Had the boom and mast in stock. Order processed quickly, great service and local so could pick them up. Friendly and helpful staff as always. Thank you
Delivered on time after chatting by phone to a very helpful person at Sailing chandlery. Absolutely no complaint with this Company and will continue to use them for my sailing needs.
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