Cruise ships look top heavy too but this is carrying tons of freight in those containers.
Inside though, is a 78,000 horsepower diesel engine that turns the prop at 79 RPM at top speed. I don't know how many inches per gallon of fuel it takes.
What is the MPG of a cruise ship?
0.004 mpg Assuming an efficiency of about 30% means the boat is burning roughly
1.84 gallons of fuel per second, or 6640 gallons per hour. Since the ship's cruising speed is 23.7 knots, or 27.3 mph, the cruise ship's fuel efficiency is roughly 0.004 mpg.
What a load of codswallop. They remove hatch covers, load containers to the covers, then refit the hatch covers and load more containers on top of the covers. Containers below deck are only secured side to side. They are not secured vertically. If the ship is an all container ship, the hold(s) will have container guides into which the containers are stacked. I'd suspect most are these days.
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More codswallop. Ballast reduces the amount of tonnage you can carry. If you need ballast for stability, you carry less tonnage. There goes your efficiency and *profits*. What you will find is that the heaviest containers go below the hatch covers, lighter ones above. That provides the *stability*. You simply cannot have a top heavy container ship. It will be dreadfully unstable in a storm if no loading is below the hatch covers.
Common sense isn't clear to you.
Codswallop again. Ballast tanks are for when the ship is running very light or *empty*.
They fill the space below decks with the *heavier* containers.
Depends on the design.
No. Container ships cannot be top heavy - they will tip if they are.
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Container ships, like any other kind of ships, are loaded from the bottom of the holds upwards. That's the way it has always been, that's the way it will always be.
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