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Re: [PSUBS-MAILIST] Fiberglass over marine plywood



Hi Marten
 
You might consider a high density plastic board for the core.  They make it in 4 x 12+ sheets and you can get 1 or both sides with a fiberglass bonding layer molded into the surface.  There will be no problem with water absorbsion and delaminanting and it comes dense enought to be neutrally buoyant. 
 
If your considering other hull material ideas, the look at the kayak, surf board, and custom car body building pages.  You can carve your shape out of foam and cover it with fiberglass and then reinforce it with an aluminum frame where needed.  Or just build an aluminum frame and stretch canvas or aluminum sheeting over it like the fuselage of an air plane.  Or heat and shape acrylic over the frame.  Paint the top decks and leave the bottom clear for visibility. 
 
Ambient: Wet, Dry or Semidry?
 
Hope it helps a little..
Doug Jackson
 
 
 
 
 
 
In a message dated 5/24/2004 1:43:14 PM Central Daylight Time, mliebster@tbteam.com writes:
After much consideration, I'm planning on my first effort to be an ambient
sub. One of the hull construction methods I'm considering is fiberglass over
marine plywood. This combination should be lightweight, strong and
watertight. I think these two mediums, for me, will be the easiest to work
with.

Does anyone have any words of wisdom for me? (Only regarding the hull
construction please)

I know SeaLord's Undaunted was constructed with this method.

Thanks,
Marten