RS Quest

   Club brough a new RS Quest this year and we are having problems with the jib halyard/top furler bearing. 

Users tend to tension the halyard, pulling the forestay towards the mast. This causes problems with the furler.

Looking at the position of the halyard block it is about 125mm above the head of the jib and this give a large percentage of horizontal pull rather than vertical. This evening one user suggested putting another block on the spinnaker halyard eye and leading the jib halyard through that. This would certainly solve the problem, or I might just move the current jib halyard take off point up the mast by 200mm. This would also solve the problem.

Rest of the boat is fine. Stays are on the 4th hole dows on the shroud plates, rig tension is not great and the forestay adjuster is as short as it goes.

I could also rake the mast back a few more holes which would add tension to the forestay and make it less likely for users to pull the forestay back with the halyard.

Hs anyone else had problems with this setup? 

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Riv Send Private Message Find Member's Posts Far too distracted from work Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353	Post Options Post Reply Quote Riv Report Post Quote Reply Topic: RS Quest Posted: 25 Aug 19 at 7:52pm
	Club brough a new RS Quest this year and we are having problems with the jib halyard/top furler bearing. Users tend to tension the halyard, pulling the forestay towards the mast. This causes problems with the furler. Looking at the position of the halyard block it is about 125mm above the head of the jib and this give a large percentage of horizontal pull rather than vertical. This evening one user suggested putting another block on the spinnaker halyard eye and leading the jib halyard through that. This would certainly solve the problem, or I might just move the current jib halyard take off point up the mast by 200mm. This would also solve the problem. Rest of the boat is fine. Stays are on the 4th hole dows on the shroud plates, rig tension is not great and the forestay adjuster is as short as it goes. I could also rake the mast back a few more holes which would add tension to the forestay and make it less likely for users to pull the forestay back with the halyard. Hs anyone else had problems with this setup?
	Mistral Div II prototype board, Original Windsurfer, Hornet built'74.

JimC Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6644	Post Options Post Reply Quote JimC Report Post Quote Reply Posted: 25 Aug 19 at 8:25pm
	Have you bunged the photo at RS for comments? The off axis pull of the jib halyard seems intended to make sure the halyard doesn't wrap around the forestay when the jib furls. Make the angle too shallow and that could happen. [later] Are you sure users aren't simply over tensioning the jib? The rig tension seems intended to come from the forestay, and the jib halyard only for moderate tension of the luff. Anyone brought up in the traditional way of swinging up the jib halyard as tight as possible maybe needs to rethink. Edited by JimC - 26 Aug 19 at 10:31am

crosby mafia Send Private Message Find Member's Posts Groupie Joined: 18 Jan 08 Location: United Kingdom Online Status: Offline Posts: 62	Post Options Post Reply Quote crosby mafia Report Post Quote Reply Posted: 26 Aug 19 at 10:22am
	We have the same, I've wondered about moving it up for a better line. We also have a Sea Cadets unit based on our lake, who have about 6 boats. Obviously all the same, but they don't tend to worry about job tension as racers do. Watching comments with interest
	Better a crap day in Abersoch than any day at work.

Wiclif Send Private Message Find Member's Posts Groupie Joined: 04 Oct 05 Location: United Kingdom Online Status: Offline Posts: 79	Post Options Post Reply Quote Wiclif Report Post Quote Reply Posted: 26 Aug 19 at 4:27pm
	As Jim C says. There is also a tensioning lever on the bottom of the forestay to reinforce Jim’s comment. Might I suggest some sticky tape on the jib roller swivel to make sure it stays together?

Presuming Ed Send Private Message Find Member's Posts Really should get out more Joined: 26 Feb 05 Location: United Kingdom Online Status: Offline Posts: 641	Post Options Post Reply Quote Presuming Ed Report Post Quote Reply Posted: 26 Aug 19 at 5:43pm
	How easily does the swivel rotate? Maybe some McLube or other appropriate lubricant?

Riv Send Private Message Find Member's Posts Far too distracted from work Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353	Post Options Post Reply Quote Riv Report Post Quote Reply Posted: 26 Aug 19 at 8:39pm
	Jim C, yes, users are tightening up the jib halyard as the luff always seems to be crinkly and it's pulling the jib head too close to the mast and the top furler bearing is jamming I can add quite a bit more rig tensionif you think it's a good idea. Wyclif, where would I put sticky tape?
	Mistral Div II prototype board, Original Windsurfer, Hornet built'74.

JimC Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6644	Post Options Post Reply Quote JimC Report Post Quote Reply Posted: 26 Aug 19 at 9:15pm
	I'd talk to RS TBH. I'm sure they know far more about their boat than I do. I think you want to be a bit careful about rig tension on a rotomould boat. If the forestay isn't sagging too much that would be good enough for me. Similarly with the jib halyard I'd want to use the least tension that gets it setting reasonably. It's not a race boat, so you want to get that last 10% of life out of hull and rig rather than the last 1% of performance.

Wiclif Send Private Message Find Member's Posts Groupie Joined: 04 Oct 05 Location: United Kingdom Online Status: Offline Posts: 79	Post Options Post Reply Quote Wiclif Report Post Quote Reply Posted: 27 Aug 19 at 4:43pm
	Riv. In answer to your question. Tape the swivel to cover the split rings. Split rings always have the potential of getting caught by the spinnaker halyard and being pulled out. If leaving the jib up when the boat is not being used, the tensioning lever should be released to avoid straining the boat

Riv Send Private Message Find Member's Posts Far too distracted from work Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353	Post Options Post Reply Quote Riv Report Post Quote Reply Posted: 27 Aug 19 at 8:13pm
	Went down this evening and made this Mod. Jib furles ok (and I lubricated the top swivel) . Now to see how our club users respond to the change. Hopefully they will not notice anything.
	Mistral Div II prototype board, Original Windsurfer, Hornet built'74.

Riv Send Private Message Find Member's Posts Far too distracted from work Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353	Post Options Post Reply Quote Riv Report Post Quote Reply Posted: 27 Aug 19 at 8:21pm

	Mistral Div II prototype board, Original Windsurfer, Hornet built'74.