..requires a 40 inch wide screen monitor.>>
[ 11-17-2003, 09:17 AM: Message edited by: Norske3 ]
Senior Member
..requires a 40 inch wide screen monitor.>>
[ 11-17-2003, 09:17 AM: Message edited by: Norske3 ]
The eye is drawn directly to those obnoxious red and white lifeboats. Well at least they "might" have enough lifeboats, unlike the great ships of the past.......
I\'m just trying to get accross that deep spot in the river.
The thing I marvel (wonder) about is how the heck
can they pile enough weight below the water line
to keep that sucker up right. Where is the center of gravity?
Senior Member #1976
...And propelled by electric motors... (I believe)
Be as you wish to seem.
Too bad about the jinx. I wouldnt sail on that boat!
"Twenty years from now you will be more disappointed by the things you didn't do, than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." - Mark Twain
Twelve years and counting
I could'nt afford to!
Interestingly, her chief designer, Stephen Payne, speaks of her greatly increased draft as compared with a "normal" modern cruise liner such as you might find sailing out of Miami or Fort Lauderdale.
IMAGINES VEL NON FUERINT
Senior Member
Norm, Norm, Norm.....Originally posted by NormMessinger:
how the heck can they pile enough weight below the water line to keep that sucker up right.
Read the Basic Stability thread.
CG only has to be below the metacenter, not the waterline.
"CG only has to be below the metacenter, not the waterline."
I understand that. So where is the CG on this thing and what provides the weight to keep it below the whatsitcenter?
Senior Member
Norm...the weight comes from all those passengers...so, till they are on board the ship must be very unstable.
Ummmm.. What?
Ahh, the magic of aluminum superstuctures that are filled with, mostly, air offset by many thousands of tons of engines, fuel, water, a steel hull and a bit of form stability (though obviously one needs to maintain positive stability with empty or, worse, partially filled tanks). The all-steel passenger liners of old would never have been able to achieve the proportions of of modern "ships", if such a name they deserve, and thus cloud our vision of what should and should not be able to stay upright.
Jeff
Twelve years and counting
There is a very old, very simple test of passenger ship stability - when do the crew fill the swimming pool, and when do they empty it!
Actually, the QM2 does not have an alloy superstructure, and that is one reason why she is so big. I've posted some excerpts from a paper given by her designer on the earlier QM2 thread ("Big steel with a familiar name...")
[ 11-19-2003, 06:33 AM: Message edited by: Andrew Craig-Bennett ]
IMAGINES VEL NON FUERINT
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