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Old 07-10-2014, 17:18   #1
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Solid Fiberglass Monohulls, a list

I've done a search, trying to find a list of solid fiberglass boats, i.e.: no core in deck or hull. I've read descriptions on Yachtworld. So far, I can't find much definitive information. A lot of opinions, or second hand knowledge. There is a thread in the Construction section right now regarding balsa coring, that prompted this post.

The topic comes up all the time, but there doesn't seem to be any definitive list. Please list any sailboats that you KNOW are solid fiberglass.

Thanks
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Old 07-10-2014, 17:26   #2
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Re: Solid Fiberglass Monohulls, a list

Mine is solid , hull and deck, heavy to, 2 inches and half at the turn of the bilge , lots of Beneteaus are solid at the bottom and even hull sides in some old models , decks are cored... add to the list...
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Old 07-10-2014, 17:29   #3
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Re: Solid Fiberglass Monohulls, a list

Most all the boats on this list are solid fiberglass I believe:

Atom Voyages - Good Old Boats List

then a few others that I have been looking at are:

Cal 31
Niagara 31
Ericson 35
Cape Dory (all)
Bristol (all)
Wauquiez Centurian 32
Wauquiez Gladiator 33
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Old 07-10-2014, 17:33   #4
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pirate Re: Solid Fiberglass Monohulls, a list

Westerly's.. not sure about the Oceanlord...
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Old 07-10-2014, 17:48   #5
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Re: Solid Fiberglass Monohulls, a list

My Islander 34 (60's to 72 ish), well really the yachtcraft kit version, has solid hull and deck. There is a wood backing on the deck, that was part of the mold, but no underlayment. Deck is just under 1/2" thick. Hull above the water line is 1/2" with glassed 3" half round stringers mid way along the sides.

The older islander 32 & 33 should be the same as they started with the 32' mold and stretched it 8" for the 33 and then 8" more for the 34'. Insides were close to the same volume. It appears that the 34 has a slightly longer aft overhang from the 32/33's I've seen and an aft lazzerette (or larger lazzerette.
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Old 07-10-2014, 18:32   #6
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Re: Solid Fiberglass Monohulls, a list

Quote:
Originally Posted by thomm225 View Post
Most all the boats on this list are solid fiberglass I believe:

Atom Voyages - Good Old Boats List

then a few others that I have been looking at are:

Cal 31
Niagara 31
Ericson 35
Cape Dory (all)
Bristol (all)
Wauquiez Centurian 32
Wauquiez Gladiator 33
Now I know Bristols have core in their decks, and I'm pretty sure Cape Dory did as well.... didn't Niagara have core too?

I think those three are wrong
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Old 07-10-2014, 18:50   #7
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Re: Solid Fiberglass Monohulls, a list

Quote:
Originally Posted by thomm225 View Post
Most all the boats on this list are solid fiberglass I believe:
Actually I'd be pretty surprised if any of those boats had solid fiberglass decks. And why would you want that anyway?
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Old 07-10-2014, 22:00   #8
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Re: Solid Fiberglass Monohulls, a list

Quote:
Originally Posted by thomm225 View Post
Most all the boats on this list are solid fiberglass I believe:

Atom Voyages - Good Old Boats List

then a few others that I have been looking at are:

Cal 31
Niagara 31
Ericson 35
Cape Dory (all)
Bristol (all)
Wauquiez Centurian 32
Wauquiez Gladiator 33
Well the Bristol 22 Caravel our club used to own had about 6 feet of rotten balsa core removed from the deck. I saw the mush that came out of there.

Wiki seems to think all Bristols had balsa core decks.

Bristol Yachts - Wikipedia, the free encyclopedia

The hulls of early Bristols were all solid, hand-laid fiberglass. The decks and cabin tops were cored with end-grain balsa.


This says the Cal 31 has klege cell foam cored decks --
http://www.richardanderson.net/TechS...t%20Buying.pdf


The OP was looking for solid glass hull and decks.
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Old 07-10-2014, 22:15   #9
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Re: Solid Fiberglass Monohulls, a list

Quote:
Originally Posted by thomm225 View Post
Most all the boats on this list are solid fiberglass I believe:

Atom Voyages - Good Old Boats List

then a few others that I have been looking at are:

Cal 31
Niagara 31
Ericson 35
Cape Dory (all)
Bristol (all)
Wauquiez Centurian 32
Wauquiez Gladiator 33
Niagra 35 definitely has a core. When a friend was looking at Niagra 35 (which he eventually purchased) we researched it thouroughly and all the info said it was cored. I'd assume that a 31 being a cheaper boat would be cored as well.
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Old 08-10-2014, 04:28   #10
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Re: Solid Fiberglass Monohulls, a list

Yep, I missed the bit about the cored deck. I figured he was worrying over a cored hull boat.

But the Niagara 31 has a solid fiberglass hull. The Niagara 35's hull is cored. I researched it thoroughly because there is a Niagara 31 for sale in North Carolina that I almost bought.
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Old 08-10-2014, 04:52   #11
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Re: Solid Fiberglass Monohulls, a list

Island Packet's hull have no core, the deck is cored with a proprietary slurry of resin and microballons, heavier I'm sure than Balsa even though IP says it isn't but water has no effect on it.
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Old 08-10-2014, 04:53   #12
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Re: Solid Fiberglass Monohulls, a list

To answer sandy stone's question about why anyone would want a solid deck: every time you put a hole in the deck, whether it be for hardware fasteners, teak decks, chimneys etc. there is the risk of a non-watertight seal. If you have a crack in the fibreglass water can infiltrate. Whenever water gets into that core...... and it will, eventually. I have an 1969 boat with solid hull and solid deck and that means one less problem for me to worry about. David
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Old 08-10-2014, 04:59   #13
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Re: Solid Fiberglass Monohulls, a list

Don't you get a lot of condensation problems with non cored decks?
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Old 08-10-2014, 05:04   #14
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Re: Solid Fiberglass Monohulls, a list

Don't you get a lot of condensation problems with non cored decks?

And as far as fully, solid fiberglass boats, I'd say your best bet is to look back towards when building boats out of fiberglass was fairly new. I can't give you any specifics on makes or models though, at least not definitively.
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Old 08-10-2014, 05:41   #15
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Re: Solid Fiberglass Monohulls, a list

Here are a few with solid fiberglass:

SailNet Community - Solid fiberglass decks.
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