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Search took 0.00 seconds. Search: Posts Made By: BigCat
Forum: Multihull Sailboats 19-08-2008, 17:14
Replies: 209
Views: 92,445
Posted By BigCat
Molded hulls

As far as laid up in a mold, it's probably OK if it's solid below the water, because that's where the curvy bits are. Any core below the waterline would have to have so much goop to bond properly...
Forum: Multihull Sailboats 19-08-2008, 08:37
Replies: 209
Views: 92,445
Posted By BigCat
You can have a solid bottom and core the rest of...

You can have a solid bottom and core the rest of the boat. That's what I'm doing in my build, and I believe some stock cats are built this way as well. If you don't trust buoyancy tanks, you can...
Forum: Multihull Sailboats 19-07-2008, 19:29
Replies: 209
Views: 92,445
Posted By BigCat
Can you sink a catamaran?

Well, to get back to the subject of the thread, the answer is, you do math. Water weighs 64 pounds per cubic foot. To float 64 pounds of boat, canned goods, or whatever is aboard, you need one...
Forum: Multihull Sailboats 17-07-2008, 19:28
Replies: 209
Views: 92,445
Posted By BigCat
Oh, please, not another mindless monohull versus...

Oh, please, not another mindless monohull versus multihull slugfest. Yes, monos can sink and multis can turn turtle. Yes, neither happens very often. You pays your money and takes your choice, so...
Forum: Multihull Sailboats 12-07-2008, 08:41
Replies: 209
Views: 92,445
Posted By BigCat
Floating holed catamarans

Yes, if your boat is right-side-up, there is tremendous bouyancy in one hull because cats have very high freeboard. If you also have a crash bulkhead and a watertight bulkhead aft to isolate an...
Forum: Multihull Sailboats 12-07-2008, 08:21
Replies: 209
Views: 92,445
Posted By BigCat
seven tons of bouyancy, 6.5 of displacement -

Yes, but that means that your boat structure has to be 92+% under water to float. Doesn't leave you much to hang on to-
Forum: Multihull Sailboats 12-07-2008, 08:15
Replies: 209
Views: 92,445
Posted By BigCat
Floatation and multihulls

The BigCat 65 structure has about 450 cubic feet of displacement in its structure, that is, if you add the thickness of all the structures, most of which is balsa cored. That's 28,800 pounds of...
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