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Search took 0.00 seconds. Search: Posts Made By: TeddyDiver
Forum: Multihull Sailboats 09-12-2016, 05:08
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

Of course you are right. I was merely thinking about JAS theory which could work in theory only if there were enough flattish bottom area exposed to wind..

BR Teddy
Forum: Multihull Sailboats 09-12-2016, 05:03
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

Even in that size he's without any evidence..
Forum: Multihull Sailboats 08-12-2016, 20:21
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

There's not even a rumor of any such event happened ever regardless of boat size, not for a keel ballasted offshore monohull, old or new. So I have no problem with the boat size thou quite absurd...
Forum: Multihull Sailboats 08-12-2016, 14:07
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

Those flat vertical hull sides are horizontal in your scenario so only frictional drag there, sorry. Bilges are roundish in most boats even nowadays so there must be somekind of lift present, wanna...
Forum: Multihull Sailboats 08-12-2016, 04:08
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

I can see two flaws instantly in JAS reasoning. Wind shear grows quite much with wind speed and the aerodynamics of a 90deg turned roundish hull side sticking out of water..

BR Teddy
Forum: Multihull Sailboats 07-12-2016, 21:39
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

Now you have a theory and a bit math to support. Now just go and make some tests to find out how this theory works. So far there's no evidence..

BR Teddy
Forum: Multihull Sailboats 05-12-2016, 14:38
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

Well said..
Forum: Multihull Sailboats 21-11-2016, 21:26
Replies: 671
Views: 110,491
Posted By TeddyDiver
Re: Atlantic 57 Catamaran Capsized

CE center of effort ie the center point of sail area. Draw Your sails on paper and find the center of the area. For this regard measure the height of this point.
Forum: Multihull Sailboats 19-11-2016, 08:46
Replies: 671
Views: 110,491
Posted By TeddyDiver
re: Atlantic 57 Catamaran Capsized

According the german site this happened 400nm north from Dominican Republic. The AIS history of the rescuing ship backs up that location..

BR Teddy
Forum: Multihull Sailboats 19-11-2016, 06:38
Replies: 671
Views: 110,491
Posted By TeddyDiver
re: Atlantic 57 Catamaran Capsized

Too late to get it from marinetraffic. They store the history about 24h or something..
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