osmosis

[Koos Sterrenkat]

Hello everyone

I intend to buy a boat. It's out of the water now.
I wonder, how do you check for osmosis?

Is an expert with all sorts of instruments needed or can you do it yourself?

Thanx in advance for tips,

 

[old_buzzrd]

I would like to second this question about osmosis. I am not a Vega owner.
I was recently down to the final phase of buying a Vega and did not on the
advice of the marine surveyor because of osmosis. I was bummed for some
time as it was an excellent boat and my wife liked it. I am still looking
and the question has been on my mind since. I have been a member of this
group for some time and am encouraged that the topic does not seem to be a
big issue.



What would be of particular interest is the general Vega owners experience
with it.



How does the magnitude of the problem in Vegas compare to other glass boats



Is it a problem that requires regular attention and repair?



If properly repaired, does the problem stay fixed for some time?



Does it depend on boat age, care or just a random process?



Are there serious or fatal consequences for not treating the problem or in a
boat that it has gone untreated?



Any good references, books, articles, etc. would be appreciated as well.



My wife and I have both enjoyed the traffic on this site. It is informative
and entertaining.



Thnx, Max



_____

From: AlbinVega@yahoogroups.com [mailto:AlbinVega@yahoogroups.com] On Behalf
Of Koos Sterrenkat
Sent: Saturday, August 13, 2005 5:09 AM
To: AlbinVega@yahoogroups.com
Subject: [AlbinVega] osmosis



Hello everyone

I intend to buy a boat. It's out of the water now.
I wonder, how do you check for osmosis?

Is an expert with all sorts of instruments needed or can you do it yourself?

Thanx in advance for tips,SPONSORED LINKS Albin
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[stevebirch2002]

Hi Koos

It is very rare that a Vega gets Osmosis. I have surveyed over one hundred
and only ever found a small patch on one that had been in The Medeterannean
for 15 years without coming out of the water at all. Don't woory, it is not
a problem.

Cheers

Steve B

 

[pelagicasd]

Hi Koos, When I bought Lyric the surveyor was concerned because his moisture
meter said the hull was wet. He wanted a "core sample" and we used a hole
saw to cut a piece of the hull out. He thought there might be de-lamination.
There wasn't. When hulls are laid up the mold is first sprayed with gelcoat.
Tha glass is then laid or layered into the hull. In the early Vegas the
gelcoat was quite thick. This led to crazing or small cracks appearing in
the gelcoatl. It doesn't go into the laminate though. We attempted to deal
with these cracks a few years ago by applying an epoxy barrier coat. This
involved stripping off many layers of bottom paint. The hull has to be dry
before the applying the bottom paint. The poor mans way to check for this is
to tape small squares of thin plastic sheeting to the hull in the morning.
We made our squares about 1 foot by 1 foot and used about 6 for each side of
the boat. If there is condensation under the plastic by the end of the day
the hull is still wet. For what it is worth we again had crazing on our next
haulout. As far as blisters go there are two types. One which affect the
gelcoat, the other affects the laminate. We have had a few small blisters in
the laminate and I don't know why they occured. I did note that they were
only on the side which was in the sun and tht they were only a few inches
below the waterline. They were easily fixed and have not come back.
In the book Twenty Small Sailboats to Take You Anywhere, The author John
Vigor rates the Vega as #6 in Safety at Sea. The only boat comparable in
price in the book is the Catalina 27. He gives that one #20. #1 is the
Bristol Channel Cutter. You can probably buy 5 Vegas for the price of one of
them! Good luck to you. Walt