Quote:
Originally Posted by Be Free Sailor
Hi please see new photos, just taken below the aft cabin floorboards, in the location of the fuel tank.
Also some photos forward under the hallway floor.
The fuel tank is located under the floor, inside the cabin where I discovered the soft area of the outside hull skin.
There is a cabinet, on the outer wall, and inside the cabinet I can see some torx screw heads, which I do not think is original to Lagoon 380.
Could it be, this boat had some structural damage, and subsequent repair in the past? Looking at the pictures, I get the feeling this GRP work is not "original" and as the boat came from Lagoon factory, but rather from a later repair of the boat.
Any clues, does anyone have input please?
I will try upload the pictures - hope it works!
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I don't think you are looking at old
repairs.
Some time before 2015
Lagoon switched from Philips heads to Torx heads. Our 2015 Lagoon 380 has Torx heads only.
The fibreglass tabbing looks original but more like a
novice worker's first job. The
layup in our boat is similar, though a better finish and in our case they did not
paint that area before laminating. But I have seen 380s with glass over that grey
paint before.
The vertical
panels protruding from the bulkhead into the
bilge should not be there.
I think Picture #3 shows that the temporary panel has the usual Lagoon glue spread over it, which tells me it was there when the bulkhead was glued in place.
To me these
panels look like temporary jigs to position and align the cabin wall / bulkhead while the glue sets. I guess that was a friday job and the new team on Monday forgot to remove these panels.
I'd remove the screws, if the panels are not glued / laminaed in place I would consider them temporary jigs only.
Overall I'd say no previous damage but just shoddy work and some bad coincidence.
My vote goes to the travel
lift incident - at least if this is the boat that was mentioned before (on the FB group maybe?) which had the skin pop-in while in the slings. Several tons compressing the skin with no structural support can easily crunch the hull.
How I would proceed (Disclaimer: I am an
DIY owner, not a pro):
A good part of the delaminated area is readily accessible under the
bed without taking anything apart. If this was my boat I'd cut away the inner skin in that area and see what the
core looks like.
Unless it's wet or crumbled into pieces I'd jury-rig some vacuum resin infusion
gear from the inside. For that I don't think you need to remove any furniture, but only cut a few holes into that back panels of the cabinet and maybe between
bed and window. So its "just" the inner panel liner that needs to be replaced (i.e. just put a new Alpi skin on top of the old panels, covering the holes for the resin infusion ).