BIG Stuctural Problem? (Hull Stringers pulling away) - SailNet Community
Reply
 
LinkBack Thread Tools
post #1 of 25 Old 07-20-2008 Thread Starter
Member
 
Join Date: Jul 2008
Location: Hull, United Kingdom
Posts: 62
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
 
BIG Stuctural Problem? (Hull Stringers pulling away)

Hi,
I've recently purchased an Eygthene 24 Quater Tonner, among the work i knew needed to be done i have just found a what could be a big problem and would appreciate some advice!

Quick overview, the bottom of the bilge in the boat is reinforced with hardwood stingers that are glassed into the hull, this stiffens the bottom, also the keelbolts are mounted through these.

When reaching my hand under the interior moulding (which incidentally can only be removed with an angle grinder 0o) i noticed that some of the stingers seemed to be de laminating at the edges (obv the weight of the keel in the middle would not allow this in the middle).

My current thoughts are, clean out area underneath as best i can, lift boat on stops (its currently on a cradle) if this pulls them back flush, drop it again, epoxy underneath them, and then glass them back into the hull again with lots of layers, leave for a while to set!
If they don't pull flush then i'm not sure!

Can anyone offer any advice on this?
Note: The keelbolts are an issue for another day!

(I have some photos, but cannot post them or link to them until i have a post count of 10!)
RichP is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
Advertisement
 
post #2 of 25 Old 07-20-2008
Senior Member
 
Freesail99's Avatar
 
Join Date: Feb 2006
Location: New Jersey
Posts: 4,507
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 10
 
Send a message via Yahoo to Freesail99
Getting the weight of the keel supported would be important when you epoxy and glass the stringers. I really can't say, if doing this kind of repair is a good idea or not, but I am sure others will.

S/V Scheherazade
-----------------------
I had a dream, I was sailing, I was happy, I was even smiling. Then I looked down and saw that I was on a multi-hull and woke up suddenly in a cold sweat.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Freesail99 is offline  
Quote Quick Reply Share with Facebook
post #3 of 25 Old 07-20-2008 Thread Starter
Member
 
Join Date: Jul 2008
Location: Hull, United Kingdom
Posts: 62
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
 
I wasn't sure if i wanted the keel to be in its natural 'hanging position' or under compression when the repair was done.
RichP is offline  
Quote Quick Reply Share with Facebook
post #4 of 25 Old 07-20-2008
Handsome devil
 
Stillraining's Avatar
 
Join Date: Jan 2008
Location: LaConner,Washington
Posts: 3,477
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 10
     
I like the Idea of it hanging..your plan sounds good to me...and like you if it dosent take the right shape I dont know then..
Stillraining is offline  
Quote Quick Reply Share with Facebook
post #5 of 25 Old 07-20-2008 Thread Starter
Member
 
Join Date: Jul 2008
Location: Hull, United Kingdom
Posts: 62
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
 
If not i guess i'd have to fill the gap to try and retain the stiffness of the Hull?
RichP is offline  
Quote Quick Reply Share with Facebook
post #6 of 25 Old 07-20-2008
moderate?
 
camaraderie's Avatar
 
Join Date: May 2002
Location: East Coast
Posts: 13,877
Thanks: 0
Thanked 3 Times in 3 Posts
Rep Power: 16
     
Rich...I would support the keel and put the compression into the hull as you said the stringers are pulling away. Glassing them in place in the pulled away mode would not be ideal since they were not designed for that position and neither was the hull.

No longer posting. Reach me by PM!
camaraderie is offline  
Quote Quick Reply Share with Facebook
post #7 of 25 Old 07-20-2008 Thread Starter
Member
 
Join Date: Jul 2008
Location: Hull, United Kingdom
Posts: 62
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 7
 
Well i say pulling away, by that i mean they are coming up at the edges, i don't know if pulling is the right word...
How would you go about compressing the Hull?
RichP is offline  
Quote Quick Reply Share with Facebook
post #8 of 25 Old 07-20-2008
Senior Member
 
Freesail99's Avatar
 
Join Date: Feb 2006
Location: New Jersey
Posts: 4,507
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 10
 
Send a message via Yahoo to Freesail99
If the keel was resting on a 4 x 4 and the hull supported by jack stands, that is about all I can see you could do, to compress the hull.

S/V Scheherazade
-----------------------
I had a dream, I was sailing, I was happy, I was even smiling. Then I looked down and saw that I was on a multi-hull and woke up suddenly in a cold sweat.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Freesail99 is offline  
Quote Quick Reply Share with Facebook
post #9 of 25 Old 07-20-2008
Handsome devil
 
Stillraining's Avatar
 
Join Date: Jan 2008
Location: LaConner,Washington
Posts: 3,477
Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 10
     
OK guys...help me visualizes this ...he says the stringers are only up at the tips ( edges ) if we support the keel wont that let them pull further away from the hull?...My thinking was letting the keel maintain its downward pressure on the ribs and apply opposite pressure to the hull via jack stands to get them to make contact...then do the repair..???

I dont believe the weight of a 1/4 toner to heavy for stands alone...may be Im wrong.
Stillraining is offline  
Quote Quick Reply Share with Facebook
post #10 of 25 Old 07-20-2008
Senior Member
 
Freesail99's Avatar
 
Join Date: Feb 2006
Location: New Jersey
Posts: 4,507
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 10
 
Send a message via Yahoo to Freesail99
Quote:
I dont believe the weight of a 1/4 toner to heavy for stands alone...may be Im wrong.
My boat weights over 6 tons and I have it on jack stands with the keel supported by 4 x 4's.

S/V Scheherazade
-----------------------
I had a dream, I was sailing, I was happy, I was even smiling. Then I looked down and saw that I was on a multi-hull and woke up suddenly in a cold sweat.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Freesail99 is offline  
Quote Quick Reply Share with Facebook
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.


User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
Glassing hull GreenEarth General Discussion (sailing related) 18 06-19-2009 11:52 PM
High Tech vs traditional-Comments? Pangaea General Discussion (sailing related) 38 08-07-2007 01:07 AM
hull construction cgha33 Boat Review and Purchase Forum 4 05-23-2003 07:11 PM
Hull Preparation for Performance Dan Dickison Racing Articles 0 05-09-2002 08:00 PM
A new catalina 36? paul-e Boat Review and Purchase Forum 32 09-21-2001 05:26 PM

Posting Rules  
You may post new threads
You may 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome