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shroud tension #92542
12/18/06 03:51 PM
12/18/06 03:51 PM
Joined: Feb 2006
Posts: 3,348
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fin. Offline OP
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How do you determine proper shroud tension?

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Re: shroud tension [Re: fin.] #92543
12/18/06 04:05 PM
12/18/06 04:05 PM
Joined: Jul 2004
Posts: 2,718
St Petersburg FL
Robi Offline
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I do it by twisting the mast. If the mast is to hard to twist, the rig is too tight. I just go by feel. 3.5 BABY!

Re: shroud tension [Re: Robi] #92544
12/18/06 04:29 PM
12/18/06 04:29 PM
Joined: May 2003
Posts: 4,451
West coast of Norway
Rolf_Nilsen Offline

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West coast of Norway
Mmm, and when you sheet in your main the boom force your mast to rotate, dont it?

I set the rig as hard as I can get it by sheeting the main hard with the traveller all the way out. This makes it easy to tighten (or release) the shrouds.
Having the shrouds tight is more important in light winds than in strong winds, as you will sheet the main less to make it twist. This makes the headstay sag so the jib becomes too deep, unless you tension the rig. In stronger winds the leeward shroud will go slack anyway, so it's not as important.
Seems to work for us.

Re: shroud tension [Re: Rolf_Nilsen] #92545
12/18/06 04:49 PM
12/18/06 04:49 PM
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fin. Offline OP
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Quote
Mmm, and when you sheet in your main the boom force your mast to rotate, dont it?

I set the rig as hard as I can get it by sheeting the main hard with the traveller all the way out. This makes it easy to tighten (or release) the shrouds.
Having the shrouds tight is more important in light winds than in strong winds, as you will sheet the main less to make it twist. This makes the headstay sag so the jib becomes too deep, unless you tension the rig. In stronger winds the leeward shroud will go slack anyway, so it's not as important.
Seems to work for us.


Never occurred to me to do it that way! Of course I almost never use the jib.

My main concern was scoring on the cone bearing, which is very noticable.

Re: shroud tension [Re: Rolf_Nilsen] #92546
12/18/06 05:46 PM
12/18/06 05:46 PM
Joined: Feb 2004
Posts: 3,528
Looking for a Job, I got credi...
scooby_simon Offline
Hull Flying, Snow Sliding....
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Hull Flying, Snow Sliding....
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Quote
Mmm, and when you sheet in your main the boom force your mast to rotate, dont it?

I set the rig as hard as I can get it by sheeting the main hard with the traveller all the way out. This makes it easy to tighten (or release) the shrouds.
Having the shrouds tight is more important in light winds than in strong winds, as you will sheet the main less to make it twist. This makes the headstay sag so the jib becomes too deep, unless you tension the rig. In stronger winds the leeward shroud will go slack anyway, so it's not as important.
Seems to work for us.


I've not made many decisions on setting up the 16 yet, but I set the 17 up similarly to Rolf in terms of "as much tension as I can get and still rotate the mast".

My shrouds are still streaching on the 16, but I'll start with this as a ballpark method - tight as possible and still allow the mast to rotate, and then add a little more when it's windy. When sailing the Hurricane 5.9 we used to add on rig tension as the wind went up.


F16 - GBR 553 - SOLD

I also talk sport here
Re: shroud tension [Re: scooby_simon] #92547
12/19/06 09:30 AM
12/19/06 09:30 AM
Joined: May 2003
Posts: 4,451
West coast of Norway
Rolf_Nilsen Offline

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Rolf_Nilsen  Offline

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West coast of Norway
Is your mast set up on a plastic cone? All my boats have had metal (silicon-bronze or steel) mastfoots where scoring have been no issue. I remember reading about some boats using delrin (?) balls mounted on the mainbeam. They replaced the delrin on a regular basis. Perhaps Matt can say something about the setup and eventual scratches.

Re: shroud tension [Re: Rolf_Nilsen] #92548
12/19/06 10:07 AM
12/19/06 10:07 AM
Joined: Feb 2006
Posts: 3,348
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fin. Offline OP
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It is a metal cone, I may ask Matt to take a look at Tradewinds.

Re: shroud tension [Re: fin.] #92549
12/19/06 11:10 AM
12/19/06 11:10 AM

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Anonymous
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When actually sailing the boat the lee shroud is totally slack. Perhaps the issue is to simply minimize slop in the rig without messing anything else up

Regards
Chet


Moderated by  Damon Linkous, phill, Rolf_Nilsen 

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