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December 12, 2018 2 min read
Dyneema is one of the Worlds strongest fibres, it is quickly replacing wire as a lightweight option when strength is needed. Dyneema rope is sometimes called Spectra and has different varieties which have been developed over the years, SK75, SK78 and SK99.
With a dyneema rope you can expect high strength, a low weight, water resistance, chemical resistance and protection against UV rays.
At Sailing Chandlery we see 4mm dyneema being our best selling dyneema rope, it's popular across a number of sailing dinghies and is the perfect size for control lines and halyards where dyneema rope is a perfect application.We have two types of dyneema rope available, 12 strand pure dyneema and covered dyneemas to give the pure dyneema proection. We're going to explore the options for a 4mm rope within those categores.
12 strand means that the rope is made of 12 bits of dyneema rope all twisted together to form the final rope product. With a 12 strand it means that the rope is hollow on the inside and that the pure dyneema is exposed to the eye.
With the rope exposed it's easier to work with and allows you to put splices into the rope such as soft eyes. It's important to note that if you are using a 4mm 12 strand dyneema then you should be splicing and not tieing knots, a splice is much stronger and will last longer.
12 strand dyneema ropes are ideal for purchase systems, travellers, trapeze lines and lashings.
A dyneema core rope does what it says on the tin, it has the dyneema within the rope as a core for strength. Quite often you'll find these ropes with harder wearing polyester covers, this is most popular on applications such as halyards and control lines which move through pulleys and cleats often. The polyester jacket will protect the core and make the rope last much longer, it can also provide more grip on the hands.
There are a few ropes which can be slightly different. Take Maffioli Swiftcord rope for example, it doesn't have a core but the dyneema is built into the cover and blended with other materials to provide extra grip.
You the have the option to taper the ropes, many dyneema core ropes with polyester jackets/covers can be tapered so the core is exposed at certain points. Handy for attaching the 12 strand core and creating an eye, or for having a more lightweight rope where needed. Tapering is most popular on halyards, this would mean the 12 strand dyneema core is exposed where there isn't abraision and then the polyester jacket end can go through cleats, this would cause less friction when pulling the halyards up and down.
Most popular 4mm 12 strand dyneema - 4mm Compact Braid Dyneema
Most popular 4mm dyneema core rope - 4mm Dyneema Core Rope
Other dyneema options - you can explore all of our 4mm dyneema ropes on our sailing ropes page.
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
Ordered this item for an alternative use for my young boy who loves playing spiderman and wrapping/tying objects up with different coloured string/rope.
Arrived quickly and with a fab assortment of different ropes. Perfect for the purpose of my purchase.
Thank you.
Good back, like the two separate pockets for wet and dry gear, however i find the wet pocket zip does seem to get stuck and would like the back to have straps like a rucksack so you can carry it on your back, other than that extremely happy with the 90l as it gives me tonnes of space for all my sailing gear
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.
I needed replacement Q Locks (a great product). Arrived in under 48 hours from ordering
A chandlery was the only place I could think where to get this. It's actually the strengthen the post for our washing line the steel wire (hoops both ends fitting diagonally from top of clothes post to base of another post 2 meters away supporting trellis between. The length of steel wire will soon disappear in the foliage & should provide addition structural support for many years.
Service was excellent with the length being ready before the expected date.
Worn these for a few races now and they have been excellent. Really high performing. They are grippy and super supportive even without using the zhik toe straps. I’ve raved about them so much that my crew and colleagues at the club have now also bought the same ones
Ordered this when my son's training sail got rippd in action. Pleased to find it here 20% cheaper than anywhere else and as always delivered correctly and in great time. Thankyou
The bag is well made and large enough for halyards as well as other items. I have used the 3M fixings but these are not really adequate and so the bags will need to be screwed in place.
I would buy again.
Delivery was on time. The O rings fitted the hatches on my topper topaz. No issues excellent service
I ordered the hiking pads for my son who was very pleased with them. The order was delivered within a few days. I’ve ordered items before from sailing chandlery and have not been disappointed with the service I received. Thank you
Loads of space in this bag for all of my kit, extra pockets are very helpful and the compartment inside keeps my dry and wet kit apart. Would recommend.
Not actually for a Topper but for a sailing canoe I have built. Pleased with the quality, delivered promptly, just the job thank you!
I’m using this with the Clamcleat CL211 and they pair perfectly. Strong and with the stiffness that I was looking for. Really pleased with the purchase and excellent quick service.
These work fantastically. Used with 6mm rope they grip instantly. Easy to adjust in small amounts and lock in with no effort at all. I was concerned that when the pressure comes off that the rope would release, but this isn’t the case at all. Really pleased with the purchase and rapid delivery.
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