Hobie Cat Forums

It is currently Tue Sep 02, 2014 5:48 pm

All times are UTC - 8 hours [ DST ]




Post new topic Reply to topic  [ 14 posts ] 
Author Message
 Post subject: Delam Problems
PostPosted: Wed Mar 22, 2006 3:09 pm 
Offline
Site Rank - Deck Hand

Joined: Mon Sep 26, 2005 7:51 pm
Posts: 19
Location: NW Ohio
Ok, last fall I attempted to fix a soft spot but unfortunantly drilled the holes to deep and the resin dripped through and into the hulls. This spring I am going to fix the problem by drilling a hole for a deck port in the soft spot and inject West Systems epoxy between the layers. Does anyone know if this is a sure fix? Also, if using West Systems, shoud I add any fillers into the epoxy or just use the epoxy/hardner mixture? The soft spot is in front of the front right pylon, and since this is a bad spot to have a soft spot, I want to have as much structural integrity as possible. Thank for the help.


Top
 Profile  
 
 Post subject: soft spots
PostPosted: Thu Mar 23, 2006 8:19 am 
Offline
Site Rank - Captain

Joined: Wed Feb 08, 2006 3:58 pm
Posts: 28
Location: west michigan
rk04
I bet you have a 16 ft, if so in my world I would not cut a port into those hulls, but that's just my world. What I would do is this, First build four strong saw horse ass'y then turn your (ship) upside down and place on those horse.
Next open up your drain plugs, then get yourself a ear cleaning squirt duehicky thing, ( you know what I mean ). Mix some epox. with just a small amount of filler just to help set up the mixture a bit faster, then inject this up and into the holes. Work a small area at a time, then allow mixture to back fill inside the hull and start to drip back out of the hulls, then place a sheet of wax paper over the area you are working, smooth the paper out and let epox, to dry, then remove and move on to the next area. After filling complete sand down and finish coat.
Keep in mind by having the filler inside the hull and into the delam, area is in my mind a good thing.
Or maybe I've lost mine? :shock:
Good luck
Harvey 16, 18 1979


Top
 Profile  
 
 Post subject: Delamination
PostPosted: Thu Mar 23, 2006 12:56 pm 
Online
Site Admin

Joined: Tue May 27, 2003 12:44 pm
Posts: 8989
Location: Oceanside, California
If you cut the port, you can epoxy over the inside of the hull to block the holes. Install the port, then do the injection routine again.

See the FAQ area of the forums for the delamination instruction. I can not advise about other epoxy materials. The listed "Git-Rot" works perfectly.

_________________
Matt Miller
Director of Parts and Accessory Sales
Hobie Cat USA


Top
 Profile  
 
 Post subject: still more on this!
PostPosted: Thu Mar 23, 2006 2:26 pm 
Offline
Site Rank - Captain

Joined: Wed Feb 08, 2006 3:58 pm
Posts: 28
Location: west michigan
Matt:
Being a engineering nit wit my bells and alarms go off when I think of the structural problems that might pop up if one would cut port holes near those pylons. Is their a safe distance away that you guys can state? ( if so than I have a new spot to keep my sailing pops.) :wink:
harvey


Top
 Profile  
 
 Post subject:
PostPosted: Fri Mar 24, 2006 6:09 am 
Offline
Site Rank - Old Salt

Joined: Fri Jul 15, 2005 10:43 am
Posts: 779
Location: St. Louis, MO
I put my ports in about 12" in front of the pylons. That is 12" from the pylon to the center of the port. I was trying to balance ease of acces from the tramp with giving the deck enough "meat" to support the pylon.

_________________
Nick

Current Boat
In the market
Previous boats owned
'74 Pearson 30
'84 H16
'82 H18 Magnum
St. Louis, MO


Top
 Profile  
 
 Post subject: port holes
PostPosted: Fri Mar 24, 2006 8:55 am 
Offline
Site Rank - Captain

Joined: Wed Feb 08, 2006 3:58 pm
Posts: 28
Location: west michigan
Hey Nick,
Do you think he was talking about a 16ft or a 18ft, better yet,
Hey rk04, 16 or 18?
I think this may be a problem on a 16 if the craft is put to the "hard" test.
Than again I could be wrong. Again again again. :oops:
Harvey H16,H18,1979 :P


Top
 Profile  
 
 Post subject:
PostPosted: Fri Mar 24, 2006 9:15 am 
Offline
Site Rank - Old Salt

Joined: Fri Jul 15, 2005 10:43 am
Posts: 779
Location: St. Louis, MO
I put the 5" ports on my old H16 and it is still going strong. I didn't race, but I did push the boat with about 480 lbs trapped out in 25 kt winds on a regular basis.

_________________
Nick

Current Boat
In the market
Previous boats owned
'74 Pearson 30
'84 H16
'82 H18 Magnum
St. Louis, MO


Top
 Profile  
 
 Post subject: Ports forward on a 16
PostPosted: Fri Mar 24, 2006 9:31 am 
Online
Site Admin

Joined: Tue May 27, 2003 12:44 pm
Posts: 8989
Location: Oceanside, California
Ports forward on a 16. I don't really advise it, but have seen tons over the years. The ports are pretty stiff. 4" to 5" ports should be OK in this case. They are commonly used to ventilate the hulls and keep them dry between sailing adventures.

It is critical to be sure the deck is free of delamination though. That is a big problem and can cause the complete failure of the hull structure. The deck is the biggest latteral stiffness component. With the deck delaminated, you could fail a hull and break off the bow. This does not require rough conditions either. Sheeting the main pull back on the forestay and up and in on the bridles. This highly stresses the bows as they are pulled together.

_________________
Matt Miller
Director of Parts and Accessory Sales
Hobie Cat USA


Top
 Profile  
 
 Post subject:
PostPosted: Fri Mar 24, 2006 1:03 pm 
Offline
Site Rank - Deck Hand

Joined: Mon Sep 26, 2005 7:51 pm
Posts: 19
Location: NW Ohio
The boat is a 16'. Also, the ports I am looking to put in are 5 inches.


Top
 Profile  
 
 Post subject: where in ohio
PostPosted: Thu Jun 15, 2006 2:11 pm 
Offline
Site Rank - Deck Hand

Joined: Mon Jun 05, 2006 5:34 pm
Posts: 12
Location: CLEVELAND, OH
rk04 where in ohio


Top
 Profile  
 
 Post subject:
PostPosted: Thu Jun 15, 2006 6:45 pm 
Offline
Site Rank - Deck Hand

Joined: Mon Sep 26, 2005 7:51 pm
Posts: 19
Location: NW Ohio
I'm located in northwest ohio. I saw on your other post that your from the Cleveland area.


Top
 Profile  
 
 Post subject: nw ohio
PostPosted: Fri Jun 16, 2006 8:29 am 
Offline
Site Rank - Deck Hand

Joined: Mon Jun 05, 2006 5:34 pm
Posts: 12
Location: CLEVELAND, OH
im lookin for boats to sail with me we are tring to put a fleet together in the area

mike


Top
 Profile  
 
 Post subject:
PostPosted: Fri Jun 16, 2006 1:06 pm 
Offline
Site Rank - Deck Hand

Joined: Mon Sep 26, 2005 7:51 pm
Posts: 19
Location: NW Ohio
Mike..let me know how many you get together. If we could get enough from northern Ohio maybe we could get one in Sandusky or something.


Top
 Profile  
 
 Post subject: cool
PostPosted: Fri Jun 16, 2006 1:23 pm 
Offline
Site Rank - Deck Hand

Joined: Mon Jun 05, 2006 5:34 pm
Posts: 12
Location: CLEVELAND, OH
that sounds like a plan i found a couple boats today i will keep you posted

Mike


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 14 posts ] 

All times are UTC - 8 hours [ DST ]


Who is online

Users browsing this forum: Google [Bot] and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group