Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 08-01-2016, 10:47   #1
Registered User

Join Date: Sep 2006
Location: Fort Pierce, Florida
Boat: Lagoon 410 S2
Posts: 20
Lagoon 410 Water in Bow Crash Boxes

I just purchased a 2003 Lagoon 410 that has been in Annapolis MD for several years. There are watertight compartments at the bows that are sealed with a bulkhead about a foot aft of the very tip of the bow. During the survey we opened the inspection port at top of the bulkhead and were able to see water down in the bottom of this compartment using a camera through the inspection port. How could the water have gotten into this compartment? The hull to deck joint appears intact with no cracks. The bottom of the compartment is above the water line. Both hulls had approximately a quart of water in the "crash boxes". Could it be condensation? The boat was in a cold climate. The surveyor suggested drilling a drain hole in the bulkhead. Instead I pumped out the water and am leaving the inspection ports open to air out the compartments and will check to see if they accumulate more water. Has anyone seen this type of problem?
__________________

__________________
tahoebyrne
Beginning the adventure aboard a Lagoon 410 S2 catamaran!
tahoebyrne is offline   Reply With Quote
Old 08-01-2016, 11:00   #2
Registered User

Join Date: Sep 2011
Location: Germany
Boat: secondarily boatless
Posts: 178
Re: Lagoon 410 Water in Bow Crash Boxes

I pumped out mine after a rather wet crossing from Tahiti to Hawaii. On one side there was about a liter, on the other about 20 liters.

I found previously that the spot where the aluminum cover ends (where the hull meets the bridgedeck on the inside) was leaking to the front cabin. I suspect that the same is true with the front, although I have not figured out yet why this should be the case. A bit of silicone solved it for the cabin, so I'll do the same at the front end.

Oliver
__________________

__________________
Oliver L. is offline   Reply With Quote
Old 09-01-2016, 17:41   #3
Registered User

Join Date: Dec 2010
Location: W Carib
Boat: Wildcat 35, Hobie 33
Posts: 7,940
Re: Lagoon 410 Water in Bow Crash Boxes

Dont recall on the 410, is there any deck hardware thru bolted into these compartments?
__________________
belizesailor is online now   Reply With Quote
Old 11-01-2016, 10:17   #4
Registered User

Join Date: Sep 2006
Location: Fort Pierce, Florida
Boat: Lagoon 410 S2
Posts: 20
Re: Lagoon 410 Water in Bow Crash Boxes

There is no hardware through-bolted in the bow compartments that I have seen. I will inspect next time I am on the boat, it's in storage for a month in Fort Pierce, Florida. The bow pulpit, the cross-beam, and the bowsprit hold-down shrouds are bolted through aft of this crash box.
__________________
tahoebyrne
Beginning the adventure aboard a Lagoon 410 S2 catamaran!
tahoebyrne is offline   Reply With Quote
Old 11-01-2016, 10:25   #5
Registered User
 
deblen's Avatar

Join Date: Oct 2014
Location: Grand Manan,N.B.,Canada N44.40 W66.50
Boat: Mascot 28 pilothouse motorsailer 28ft
Posts: 1,400
Images: 1
Re: Lagoon 410 Water in Bow Crash Boxes

Click image for larger version

Name:	IMG_0756.jpg
Views:	159
Size:	400.0 KB
ID:	116542

Suggest you install thru hull drains. You will always have condensation at least.

Cheers/ Len
__________________
My personal experience & humble opinions-feel free to ignore both
deblen is offline   Reply With Quote
Old 12-01-2016, 14:43   #6
Registered User

Join Date: Sep 2005
Posts: 229
Re: Lagoon 410 Water in Bow Crash Boxes

I used to own '03 Lagoon 410 S2 and had same problem, but only with STB crash compartment. Port compartment was always totally dry, not even slightest signs of condensation. STB, however, I was not able to find a source and fully fix it.
Quote:
There is no hardware through-bolted in the bow compartments that I have seen.
Two crossbeam bolts on my boat were installed inside of that compartment, very close to the bulkhead, (other two are on the other side of the bulkhead), invisible from the outside therefore they could no be inspected visually, only by touch, so I still suspect that these were the culprit (I did not get to re-bedding them before selling). My boat also had an aluminum rail (gunwale) over hull-deck join, that was the other suspicious element. Remember that water sometimes travel uphill, so the leak could be several feet away and water would still be wicking all the way to the bow compartment. My boat also had an spinnaker eye located over the bow compartment, but that was easy to re-bed and fix.
This is what I would do: apply some bubble-forming detergent around various parts of bow area (or entire area) and then create positive air pressure in the otherwise fully enclosed bow compartment (you can use leaf blower, compressed air, etc.) and observe whether you see bubbles forming somewhere. Bubbles would hopefully reveal the place where water can enter. It should be easier after that. Using this and other techniques, I was able to make my boat totally dry, not even a drop of water in the bilges and other compartments (except that STB bow crash box ).
__________________
BambooSailor is offline   Reply With Quote
Old 12-01-2016, 14:50   #7
Marine Service Provider
 
Factor's Avatar

Join Date: Dec 2006
Location: Brisbane Australia
Boat: Corsair Dash MKII
Posts: 4,084
Re: Lagoon 410 Water in Bow Crash Boxes

There are literally hundreds of holes in a boat, and then as you point out, there is condensation. It doesn't sound like there is a massive issue, whatever is occurring is minor, so I would suggest ensuring there are no through hulls (many, but not all boats cross beams bolt into this compartment) and slap sika all over those that you find if any.

Quote:
Originally Posted by deblen View Post
Attachment 116542

Suggest you install thru hull drains. You will always have condensation at least.

Cheers/ Len
I would respectfully suggest you DO NOT do this.
__________________

__________________
Factor is offline   Reply With Quote
Reply

Tags
lagoon, water

Thread Tools
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
380: Lagoon 380 vs Lagoon 410 Pros and Cons tahoebyrne Lagoon Catamarans 10 19-11-2015 03:07
Bow pole on a lagoon 410 cashgar Multihull Sailboats 12 15-10-2015 18:25
410: Lagoon 410 in Martinique Meck Lagoon Catamarans 4 04-03-2009 10:31
410: Lagoon 410 Offshore Experience ? Salacia Lagoon Catamarans 8 24-11-2008 20:04
410: Lagoon 410 -Looking to buy for liveaboard cat1 Lagoon Catamarans 2 04-10-2007 13:04



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 10:35.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.