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July 02, 2020 2 min read
Harken 18mm Fly Blocks have become very popular since their initial introduction to the market and are used as standard on many boats such as the Laser.
Made from reinforced fibre composite these blocks are designed to provide excellent strength without the bulk of a traditional metal block. The 18mm fly block has an integrated stainless steel inner and works using stainless steel ball bearings. Together these features mean you get high load capacity along with a small lightweight block that won't damage your boat.
There are three versions of the 18mm Fly Block:
In this article we are going to focus on the two single blocks, the standard soft attach and the narrow version looking at the main difference between them.
The first block seen above is the 2698 single soft attach block, the second block is the 2161 narrow version. If you look closely you'll notice the main difference is at the top of the block where the rope goes through the head on the 2698 but not on the 2161.
The top of the 2161 is solid and the rope can't get through, instead the rope should run up the side of the block and should be secured using whipping twine. With the 2698 the rope runs inside the blocks head.
The advantage of using a 2161 narrow version is that it can be secured closer to the location.It also has two holes at the top for twine to go through to hold the rope close to the block.
Both blocks come with a length of dyneema core rope so you can secure the block to your boat.
Both blocks have the same specifications:
Fly blocks are also available in 29mm and 40mm versions. Explore the full range of Harken blocks that we stock and supply.
When you purchase an 18mm block from us you get a little leaflet with the block which explains the dos and don'ts of attaching them.
Here are our top takeaways from the leaflet:
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.
Fantastic price for first class quality
They work well
Fantastic product. Toasty feel
Really good selection of rope sizes, delivered speedily. Great idea to put the offcuts to good use. Caused a few laughs when people realised what I'd ordered ;-)
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!
Love the fact they don’t leak.
You do need to squeeze to get liquid out. Which is so much better. Don’t lose liquid etc.
nice size and robust
Great for when it’s not too cold. But is windy and wet. Needing to stay dry on top.
Very easy to install. May need some additional sealing for complete water-tightness.
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!
Excellent fit for a topaz. Great service on collection.
Perfect
Love this bag. Great wet area within it as well.
Excellent to use as for a birthday gift to family members keen on sailing
Currently 2 weeks into an Eastern Mediterranean trip with these shoes. Grip is great and they drain really well. Comfort is brilliant… as long as you take the right size. I followed the measurement guidelines and they work well. Highly recommend shoe!
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