In response to Grahams comment.

This is an argument that has to do with preference and personal experience.

I agree that with todays technology it is possible to build a core hull
boat which prevents water insertion into the hulls below the water line but
the problem is that most builders dont take the required quality assurance
steps do the job right!

Someone in the yard picks up a screw gun and starts attaching a rub rail or
installing a through hull and there it goes the core is compromised!

I bought a moisture meter that cost me $500 several years ago, because a
French builder  made many mistakes like the ones described above and I had
to pay dearly to repair the salt water insertion into the hull, when a
survey accused moisture insertion in the hulls.

While in the yard, just for fun, I went around checking other core hulled
boats and most of them sounded the alarm in my moisture meter.

My guess is, If I owned a yard where I could fix the bottom of my own boat,
I would not care what the bottom is made of, but I dont and had to pay $
21,000.00, (including yard fees for hauling the cat), so the new buyer was
satisfied and closed on the sale.

I would rather save weight on the above the water line areas of the boat if
weight is a concern. and it should be in a cat.

But make sure that areas around hatches, port holes, drains  or any place
where a worker will have to get to with a screw gun has a solid glass
surface to install the above items.

I guess it is just all common sense but when new employees work on your boat
or if someone is in a hurry, common sense sometimes is left for the owner of
the boat to ante up with their CASH!

Now, why did I start this talk again?? J

George

I agree, that when coring above the waterline that a window of solid
fiberglass needs to be created wherever there is any penetration of fastener
or equipment.
----- Original Message -----
From: G Bmailto:signal46@gmail.com
To:
power-catamaran@lists.samurai.commailto:power-catamaran@lists.samurai.com
Sent: Thursday, January 21, 2010 1:56 PM
Subject: [PCW] Cored Hulls VS Solid Glass Hulls

In response to Grahams comment.

This is an argument that has to do with preference and personal experience.

I agree that with todays technology it is possible to build a core hull
boat which prevents water insertion into the hulls below the water line but
the problem is that most builders dont take the required quality assurance
steps do the job right!

Someone in the yard picks up a screw gun and starts attaching a rub rail or
installing a through hull and there it goes the core is compromised!

I bought a moisture meter that cost me $500 several years ago, because a
French builder  made many mistakes like the ones described above and I had
to pay dearly to repair the salt water insertion into the hull, when a
survey accused moisture insertion in the hulls.

While in the yard, just for fun, I went around checking other core hulled
boats and most of them sounded the alarm in my moisture meter.

My guess is, If I owned a yard where I could fix the bottom of my own boat,
I would not care what the bottom is made of, but I dont and had to pay $
21,000.00, (including yard fees for hauling the cat), so the new buyer was
satisfied and closed on the sale.

I would rather save weight on the above the water line areas of the boat if
weight is a concern. and it should be in a cat.

But make sure that areas around hatches, port holes, drains  or any place
where a worker will have to get to with a screw gun has a solid glass
surface to install the above items.

I guess it is just all common sense but when new employees work on your
boat
or if someone is in a hurry, common sense sometimes is left for the owner
of
the boat to ante up with their CASH!

Now, why did I start this talk again?? J

George

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