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Paramedic View Drop Down
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Posts: 929 		Post Options Post Options   Quote Paramedic Quote  Post ReplyReply Direct Link To This Post Topic: Spinnaker Halyards
    Posted: 27 May 16 at 12:59pm
I supply EB 8 plait as standard, the coloured stuff seems to last better and shrink less i dont know why but it does! Sprintline is a bit twisty for my liking but runs well. D Racer (Excel racing equivalent) is very good but overkill really - it can be tapered though which is  a bonus.

New product on the block is EB Xtreme. 3.5mm polyester/technora - its absolutely bombproof and should last 2-3 seasons on most dinghies.
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Posts: 514 		Post Options Post Options   Quote piglet Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 16 at 11:51am
The 4mm Evo Race I bought was undersize anyway.
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a_dowley View Drop Down
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Posts: 203 		Post Options Post Options   Quote a_dowley Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 16 at 10:43am
The Super Dyneema is essentially an Evolution Race, just in a slightly smaller size from the 4mm.
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Posts: 267 		Post Options Post Options   Quote jaydub Quote  Post ReplyReply Direct Link To This Post Posted: 27 May 16 at 10:37am
More sold on the dyneema option now following your feedback.  Was favouring a polyester option beforehand:  either EB Sprintline or 8 plait PS (and I know one top MR sailor who happily uses 8 plait).

Hadn't really considered the Evo race as an option.  Still quite liking the Robline Dinghy Control Line option.  Bit softer on the hands and possibly a bit gripper than the Evo Race.

P&B are pushing Kingfisher 3.5mm Super Dyneema.  Anybody any experience of this?
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Posts: 514 		Post Options Post Options   Quote piglet Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 16 at 8:45pm
Originally posted by RS400atC

I like soft rope for the kite halyard, any stiffness causes drag through the blocks,

Interesting, that's not been my experience.
We sail a 200 and use 4mm Kingfisher Evo race. The Evo seems to come in a tad thinner than the Marlow, which helps free running.
One thing I 'discovered' with the 200 was to keep the chute mouth in good condition. When we bought the boat the kite had loads of tiny holes and the chute had rope channels. I filled the rope channels and covered that bit with Hmdpe anti wear tape. Our new kite has no holes at all.
Didn't bother tapering the halyard, couldn't see the point.
We also have 6mm Evo race sheets which are more like 5.5mm.
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Posts: 203 		Post Options Post Options   Quote a_dowley Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 16 at 1:23pm
We get this question all the time at Dinghy Rope.

There are 3 real choices for halyards:
  • 8 plait pre stretched - good budget rope and as suggested great on a Mirror or small boat but not good on the boats with larger loads
  • Rope with dyneema core and polyester cover - most popular choice as it can be tapered or ran as it is
  • Hollow braid rope such as Maffioli Swiftcord - strength is within the cover, can't be tapered but you can also stitch a smaller diameter 12 strand dyneema rope into it to create the taper
Neptune - do you not find the Excel Racing too hard wearing? It's burnt some holes in our previous kites on our catamaran.

We find the Kingfisher/Maffioli Evo Race with dyneema core a bit softer and just as good. I linked to a 5mm here as an example but it can also be purchased in 4mm.

Cheers
Andrew


Edited by a_dowley - 26 May 16 at 1:25pm
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 16 at 12:20pm
The movement does add up to some chafe over the years, but the dyneema will just have the chafe over a smaller length?
I just go for black string from a certain chandler's bargain pile.
Black ought to have best UV resistance?
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Posts: 267 		Post Options Post Options   Quote jaydub Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 16 at 11:45am
Originally posted by RS400atC

I like soft rope for the kite halyard, any stiffness causes drag through the blocks, which multiplies up.
We have quite small blocks, we use a shiny plaited rope of about 3.5mm. I think it has a very thin parallel core, but it's basically 8 plait pre-stretch.
The proper bimble would be thin dyneema from head to cleat and something flexible for the rest.
I'm studiously ignoring the charms of Excel Racing if I go for the dyneema option.  Tough as old boots in terms of wear, but a bit stiff for my liking and a bit harsh for madam's hands perhaps!

if I go for dyneema, I was thinking of something softer, maybe 4mm Robline dinghy control line.

Anyone found a solution for stopping the dyneema core poking out of the outer cover?
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Posts: 267 		Post Options Post Options   Quote jaydub Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 16 at 11:32am
A bit like Roger, I'm not convinced there is a perfect solution, but am interested in other people's conclusions.

The boat in question is a 200 and I reckon we're looking at a 5m max length between spinnaker and cleat.

If we say 2% stretch when fully loaded in big gust that could be as much as 10cm movement of the spinnaker head, although probably only 5cm under shock loading.  A dyneema equivalent could reduce this to 1-2cm movement theoretically.

Is the stretch actually a good thing though?  Lost energy, but takes some of the shock loading away so gives a tad more reaction time.  All very theoretical though and not sure anyone would notice the difference in practice.
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RS400atC View Drop Down
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Posts: 3011 		Post Options Post Options   Quote RS400atC Quote  Post ReplyReply Direct Link To This Post Posted: 26 May 16 at 10:37am
I like soft rope for the kite halyard, any stiffness causes drag through the blocks, which multiplies up.
We have quite small blocks, we use a shiny plaited rope of about 3.5mm. I think it has a very thin parallel core, but it's basically 8 plait pre-stretch.
The proper bimble would be thin dyneema from head to cleat and something flexible for the rest.
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