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Search took 0.00 seconds. Search: Posts Made By: colemj
Forum: Multihull Sailboats 04-04-2014, 06:51
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

I agree with Minaret. That description of a boat just out of production with gelcoat voids is more shocking than an actual hydrolysis problem. This is just not a common manufacturing problem. The...
Forum: Multihull Sailboats 01-04-2014, 06:31
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

I have seen many Athenas and Venezias and have never seen one with a blister problem. I think the blister problem started with the Lavezzi model years.

Mark
Forum: Multihull Sailboats 28-03-2014, 11:34
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

My point was that the water had to pass through solid resin to get to the glass layer.

Actually, most that do blister past the gelcoat are only in the first layer of CSM. This also is nothing...
Forum: Multihull Sailboats 28-03-2014, 11:16
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

Resin infusion is also done for lowering emissions, but it is mostly done for strength/weight reasons. Resin rich boats are very weak structures, thus the greater than 1" thick layups one sees in...
Forum: Multihull Sailboats 28-03-2014, 09:30
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

No, there is no difference in fiberglass construction between mono and cat in this regards. Both can blister whenever and for various reasons.

Mark
Forum: Multihull Sailboats 23-03-2014, 19:31
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

Again, from a previous post"

"So your statement is a deflection - FP have blistering problems that others do not. The fact that a random boat or two from another manufacturer might develop...
Forum: Multihull Sailboats 22-03-2014, 16:42
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

Can you imagine how the ones purchasing new from the factory felt? :devil:

Mark
Forum: Multihull Sailboats 22-03-2014, 16:41
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

OK, so not to present day. My main point was that the older FP's did not suffer osmosis, while the newer ones did. This was in response to a poster saying the older FP boats suffered osmosis, which...
Forum: Multihull Sailboats 22-03-2014, 07:01
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

While this statement is relatively somewhat true, boatyards are littered with blistered FP's and not blistered Lagoons. Even 10yr old Lagoons.

So your statement is a deflection - FP have...
Forum: Multihull Sailboats 22-03-2014, 06:41
Replies: 93
Views: 12,557
Posted By colemj
Re: Osmosis treatment

I won't argue the quality of the layup, but your assertion that they use chopper gun layups is wrong. They do not - they use full sheet fabrics with vacuum resin infusion. Do you have any actual...
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