Cruisers Forum
 


Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 11-05-2018, 22:59   #1
Registered User

Join Date: May 2018
Location: London Uk but sail mainly Croatia
Boat: Wauquiez Gladiateur 33
Posts: 2
Hull and rig stability and shape and tie rods

My present boat is a Wauquiez Gladiateur 33. So she is old (1980) but a well regarded boat and the hull seems to be in good condition. She had osmosis treatment and 3 layers of extra glass about 10 years ago in previous ownership. We lost the mast 5 years ago and replaced it with a new two spreader rig from Sparcraft. I now worry about the tension in the tie bars between the hull sides and the deck fittings for the shrouds. Too slack and the boat and mast feel unstable. Tight and the boat seems to go out of shape. Floor sags in the middle. Any one help please?
Ray
Ray Kay is offline   Reply With Quote
Old 12-05-2018, 01:17   #2
Senior Cruiser
 
atoll's Avatar

Cruisers Forum Supporter

Join Date: Mar 2010
Location: gettin naughty on the beach in cornwall
Boat: 63 custom alloy sloop,macwester26,prout snowgoose 37 elite catamaran!
Posts: 10,591
Images: 75
Re: Hull and rig stability and shape and tie rods

Quote:
Originally Posted by Ray Kay View Post
My present boat is a Wauquiez Gladiateur 33. So she is old (1980) but a well regarded boat and the hull seems to be in good condition. She had osmosis treatment and 3 layers of extra glass about 10 years ago in previous ownership. We lost the mast 5 years ago and replaced it with a new two spreader rig from Sparcraft. I now worry about the tension in the tie bars between the hull sides and the deck fittings for the shrouds. Too slack and the boat and mast feel unstable. Tight and the boat seems to go out of shape. Floor sags in the middle. Any one help please?
Ray
is the mast keel stepped or deck stepped?
atoll is offline   Reply With Quote
Old 12-05-2018, 02:25   #3
Senior Cruiser
 
GordMay's Avatar

Cruisers Forum Supporter

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 47,078
Images: 241
Re: Hull and rig stability and shape and tie rods

Greetings and welcome aboard the CF, Ray.


Appears to be deck stepped mast.



Francophones see ➥ http://wauquiez.gladiateur.free.fr/index.htm
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"



GordMay is offline   Reply With Quote
Old 12-05-2018, 06:20   #4
Registered User

Join Date: May 2018
Location: London Uk but sail mainly Croatia
Boat: Wauquiez Gladiateur 33
Posts: 2
Re: Hull and rig stability and shape and tie rods

Hi yes thanks, deck stepped with a substantial king post below it attached to a substantial GRP base which in turn forms the keel stub as in the cutaway drawing. The deck seems to have raised a bit (about 10mm) in the centre and the floor gone the opposite way. The floor seems to have dropped the same amount in the middle. If I tighten the rods all seems well if I slacken them the whole rig gets slack. I wonder if perhaps the hull has lost some rigidity over the years?
Ray Kay is offline   Reply With Quote
Old 12-05-2018, 07:37   #5
Registered User

Join Date: Oct 2015
Posts: 2,007
Re: Hull and rig stability and shape and tie rods

Quote:
Originally Posted by Ray Kay View Post
Hi yes thanks, deck stepped with a substantial king post below it attached to a substantial GRP base which in turn forms the keel stub as in the cutaway drawing. The deck seems to have raised a bit (about 10mm) in the centre and the floor gone the opposite way. The floor seems to have dropped the same amount in the middle. If I tighten the rods all seems well if I slacken them the whole rig gets slack. I wonder if perhaps the hull has lost some rigidity over the years?
Sounds like there is a lot going on here...

The only thing that is pulling UP on the cabin top are the turning blocks for the halyards and other running rigging that leads back to the cockpit. Those loads can be quite high, and there should be something helping the deck resist that force. Usually a tie rod between the deck and the mast or post below the deck? If not... there should be.

Fiberglass is an inherently flexible material. Having the rig slack when you loosen the tie rods is not just normal, but totally expected. The were put there for a purpose, to transfer the very high loads of the rig to the parts of the hull most able to carry them. If they are slack, they are not doing their job, and you are asking parts of the hull that were never designed to carry rigging loads to do so.

It should go without saying, but do NOT sail the boat with slack rigging and tie rods. You risk serious damage to the hull or deck and rig.

If you really have questions about it, you should have a professional rigger look at it, and not have us guess about what is happening. I am betting the rig could use a good professional tuning anyway...
billknny is offline   Reply With Quote
Old 12-05-2018, 14:03   #6
Moderator
 
JPA Cate's Avatar

Join Date: Nov 2011
Location: aboard, cruising in Australia
Boat: Sayer 46' Solent rig sloop
Posts: 25,070
Re: Hull and rig stability and shape and tie rods

There are a number of possibilities, but I'd suggest you have a chat to the chaps at Sparcraft about what you've found, perhaps involving their consulting engineer, and, based on what you learn from them, proceed.

What I'm thinking is that there may be something with the design of the new rig or how its installation was effected that is at the base of the changes you're now seeing. It has to be difficult to measure....the overhead pooching up 10 mm, and the cabin sole sagging an unknown amount. If you've been slacking and tensioning the rig a lot, is it possible you've not got the tensions correct? A problem with a whole lot of variables, and none of the possible solutions i came up would address both issues in one solution.

Good luck with sorting it all out.

Ann
__________________
Who scorns the calm has forgotten the storm.
JPA Cate is offline   Reply With Quote
Reply

Tags
hull

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Tie a wood piece across shrouds as 'safety'? Issues with rig? SteelCruiser Deck hardware: Rigging, Sails & Hoisting 17 04-02-2016 20:38
Mast tie rods revisited Rikds Deck hardware: Rigging, Sails & Hoisting 0 04-10-2015 09:49
Gemini 3200 tie rods clockwork orange Multihull Sailboats 6 27-06-2014 18:45
Stability of Slow Cruising a Deep Vee Hull in Rough Water Astral Blue Powered Boats 105 04-09-2013 11:20
Suggestions for Battery Terminal Tie Rods? Roy M Electrical: Batteries, Generators & Solar 20 19-07-2009 05:40

Advertise Here


All times are GMT -7. The time now is 08:27.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2022, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.