slack in forestay - SailNet Community

   Search Sailnet:

 forums  store  

Quick Menu
Boat Reviews  
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Hatches and Portlights
Interior And Galley
Marine Electronics
Other Items
Plumbing and Pumps
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here

Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
Old 08-27-2009
Senior Member
Join Date: Aug 2008
Posts: 100
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
freddyray is on a distinguished road
slack in forestay

I just picked up a new to me 17 ft Siren. I have noticed when sailing on a run the forestay has a lot of slack. The mast only has one side stay on each side and the forestay. It would seem to me by adding two more side stays and running them further back (the current ones are amidship) it would keep the mast from leaning forward causing the slack. Any other ideas?
Reply With Quote Share with Facebook
Old 08-27-2009
Faster's Avatar
Just another Moderator
Join Date: Sep 2005
Location: New Westminster, BC
Posts: 14,678
Thanks: 68
Thanked 194 Times in 186 Posts
Rep Power: 10
Faster has a spectacular aura about Faster has a spectacular aura about Faster has a spectacular aura about
That's a very simple rig.. probably all you need to do is evenly increase the tension on the two aft shrouds. Beyond that it's fairly normal for shrouds and stays to slacken when they are unloaded. Performance-wise this slack is most likely not an issue, though.

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
Reply With Quote Share with Facebook
Old 08-27-2009
ASA and PSIA Instructor
Join Date: Apr 2000
Posts: 3,447
Thanks: 6
Thanked 17 Times in 17 Posts
Rep Power: 15
sailingfool will become famous soon enough
Most any rig has a slack foirestay when running, that is completely normal. Race boats with backstay adjusters usually fully release the backstay when running...prodeucting a slack forestay, Should your forestay ever break, innediately bear off to a run, because on a run it is un-needed.
Reply With Quote Share with Facebook
Old 08-28-2009
roline's Avatar
Cal 9.2 SilverSwan
Join Date: Jul 2000
Location: East Tennessee
Posts: 272
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 15
roline is on a distinguished road
The Siren was designed for the side stays to be aft of the mast to triangulate the load to the mast being a fractional rig design. When going into the wind the loads from the main through the main sheet and sail will add additional tension to the forestay reducing the sag. When on a beam reach and on a run, the sails will be fuller shaped by the loss of the additional tension from the main. She was designed as a simple no fuss little trailer sailer and with a boom tent, good for boat camping on the weekend..

ps, check out the STAR class when they are on a run, the mast is raked forward 3 to 4 ft!!!
Cal 9.2 #19 SilverSwan

Last edited by roline; 08-28-2009 at 06:38 PM.
Reply With Quote Share with Facebook
Old 08-28-2009
Senior Member
Join Date: Aug 2008
Posts: 100
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
freddyray is on a distinguished road
I will just leave it as is then. Still rather new to sailing so still learning. Thanks.
Reply With Quote Share with Facebook
Old 08-28-2009
AllThumbs's Avatar
midlife crisis member
Join Date: Jul 2008
Posts: 969
Thanks: 0
Thanked 8 Times in 8 Posts
Rep Power: 7
AllThumbs is on a distinguished road
Running additional stays back farther is a bad idea. You won't be able to sheet out the main all the way on a run, and they are not needed. Tighten the shrouds a bit and carry on.
I sail.
Reply With Quote Share with Facebook
Old 08-29-2009
Join Date: Mar 2009
Location: Western Australia
Posts: 49
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
davewild is on a distinguished road
Depends a lot on wind strenght too. On a light day slack in the rig, sheets, halyards etc is desirable. Don't point the boat to high when going uphill.
As the breeze gets stronger you need more tension on all. You can also point a bit higher into the breeze in particular if your in fairly flat water. If you've got big waves it can pay to bear away just a bit to give the boat the power to get through chop.
I don't know your class of boat but if you can't adjust rig tension while you are sailing then set it up for the strongest wind you anticipate. If in doubt over tight is probably better than to loose.
All of the above is rule of thumb stuff. It will vary with type of boat, wind and wave conditions and the experience of the helmsman/crew.Trial and error will tell you whats right for you and your boat.
Do keep at it. There is no other sport like it.
Reply With Quote Share with Facebook

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Rapids question: slack tide vs slack current dancamp Cruising & Liveaboard Forum 4 08-24-2007 10:57 PM
SO 43 releasable inner forestay JoeKerridge Jeanneau 11 06-21-2007 06:06 PM
How to tension forestay with roller reefing? wysiwyg Gear & Maintenance 17 06-14-2007 12:09 PM
Correct forestay diameter? wysiwyg Gear & Maintenance 8 04-15-2007 06:02 PM
Forestay Attachment jkolle Gear & Maintenance 1 06-16-2006 05:56 AM

All times are GMT -4. The time now is 12:48 PM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) LLC 2000-2012

The store is owned and operated by a company independent of the forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.