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J24 (Sail No. 4239) Dartmouth |
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Kicker angle |
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Jack Sparrow
Really should get out more Joined: 08 Feb 05 Location: United Kingdom Online Status: Offline Posts: 2965 |
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Topic: Kicker angle Posted: 24 Nov 17 at 4:28pm |
Temple vang, if you have enough room?
http://www.yachtsandyachting.com/photos/forum/JackSparrow/2008-09-11_142115_DSCF0105.JPG
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davidyacht
Really should get out more Joined: 29 Mar 05 Online Status: Offline Posts: 1345 |
Post Options Quote Reply Posted: 24 Nov 17 at 10:58pm |
I think that Taxi had a system on his Solo with a bar to the mast gate, so that the kicker pulls straight down ... might be worth talking to him.
Or you could talk to Dougal who probably has photos of Barry Dunning’s system on the Merlin “Substitute”. However you may find that the mast could be bending because of leech tension and downhaul tension, not just due to the thrust of the kicker ... which is why even if I don’t use any kicker on my Solo I can achieve much the same effect by dropping the traveller down and playing the mainsheet.
Edited by davidyacht - 24 Nov 17 at 10:59pm |
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Happily living in the past
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Neptune
Really should get out more Joined: 08 Jun 09 Location: Berkshire United Kingdom Online Status: Offline Posts: 1313 |
Post Options Quote Reply Posted: 25 Nov 17 at 10:30am |
Or go sail a 300 and embrace the whole effect 😀
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Musto Skiff and Solo sailor
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ColPrice2002
Far too distracted from work Joined: 25 Nov 08 Location: United Kingdom Online Status: Offline Posts: 222 |
Post Options Quote Reply Posted: 25 Nov 17 at 10:08pm |
Going back in technology, can you add a mast ram?
Our old Merlin had an alloy rod from the foredeck to the front of the mast at gooseneck height. This pivoted below the foredeck and had a pulley system for adjustment. Other than that, could you add a dyneema set of lowers? Colin
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Sam.Spoons
Really should get out more Joined: 07 Mar 12 Location: Manchester UK Online Status: Offline Posts: 3398 |
Post Options Quote Reply Posted: 25 Nov 17 at 10:29pm |
I think the H2 Class rules preclude such remedies, certainly lowers are prohibited, mast struts are not specifically allowed which suggests they too are prohibited (and a mast ram, as such, is not appropriate for a deck stepped mast).
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Spice 346 "Flat Broke"
Blaze 671 "supersonic soap dish" |
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Presuming Ed
Really should get out more Joined: 26 Feb 05 Location: United Kingdom Online Status: Offline Posts: 641 |
Post Options Quote Reply Posted: 26 Nov 17 at 12:03pm |
Do what Scorpions - who have the same issue do?
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423zero
Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3406 |
Post Options Quote Reply Posted: 26 Nov 17 at 12:43pm |
What about a leech tensioner similar to downhaul, but pulling down from end of boom control line fed along boom with outhaul.
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Do Different
Really should get out more Joined: 26 Jan 12 Location: North Online Status: Offline Posts: 1312 |
Post Options Quote Reply Posted: 26 Nov 17 at 3:27pm |
I assume full centre main, by which mean mainsheet is not only controlled from mid boat but also has multiple purchase to the centre of the boom with nothing to the transom.
If so how about "helping out" the kicker by using mainsheet tension to control leech tension and have a traveller, either track or rope so that leech tension is still maintained "little or much" depending on the precise arrangement even when the boom is eased out to well out over the quarter. edit. now noticed, sorry Davidyacht a variation on what you said. As ever in sail controls hardly ever does one control work in isolation or only have one effect.
Edited by Do Different - 26 Nov 17 at 3:37pm |
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davidyacht
Really should get out more Joined: 29 Mar 05 Online Status: Offline Posts: 1345 |
Post Options Quote Reply Posted: 26 Nov 17 at 4:13pm |
The potential issue with the H2 set up is that the boom is cranked high and at an angle, so the mainsheet/traveller arrangement is not particularly precise, so I can understand why isolating the kicker to control the leech tension and using the sheet to open and close the barn door makes some sense.
I assume that the benefit of this arrangement is that there is less head banging.
It would be interesting to hear Keith’s interpretation of the class rules as to what is and is not allowed, for instance I cannot quite see where lowers are disallowed, or what different kicker arrangements are legal. |
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Happily living in the past
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Wiclif
Groupie Joined: 04 Oct 05 Location: United Kingdom Online Status: Offline Posts: 79 |
Post Options Quote Reply Posted: 26 Nov 17 at 6:23pm |
I wonder if the answer is for your spreaders to be angled forward, perhaps up to 50mm ahead of the stays in a neutral position, with a tight forestay in the medium conditions. And letting it off as the wind comes up? I think an adjustable forestay is one of your controls?
Only answer is to try it and see, and report back! |
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