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World's Largest Cruise Ship

December 23rd 2009 01:36
The Oasis of the Seas

Oasis measures 225,282 gross tons, almost half again as large as the runners-up, the vessels of the Freedom class, and several times larger than Titanic, of 46,329 gross register tons (a different measure of tonnage). Its displacement - the actual weight of the vessel - is approximately 100,000 tons, about the same as that of a Nimitz-class aircraft carrier.

To displace the volume of water necessary for the ship to float, and to keep the ship stable without increasing the draft excessively, the designers created a wide hull. About 30 feet (9 m) of the ship sits beneath the water, a small percentage of the ship's overall height. Wide, shallow ships such as this tend to be "snappy", meaning that they can snap back upright after a wave has passed, which can potentially be uncomfortable. This effect however is mitigated by the vessel's large size.

The ship's power comes from six marine diesel engines, three Wärtsilä 16-cylinder common rail diesels producing 18,860 kilowatts (25,290 hp) each, and three similar 12-cylinder engines each producing 13,860 kilowatts (18,590 hp). The total output of these prime movers, some 97,020 kilowatts (130,110 hp), is converted to electricity, used in hotel power for operation of the lights, elevators, electronics, galleys, water treatment plant, and all of the other systems used on the operation of the vessel, as well as propulsion. Propulsion is not provided by screws on the end of long shafts piercing the hull, as on most prior ships, but by three, 20,000 kilowatts (26,800 hp) "Azipods", ABB's brand of azimuth thrusters. These pods, suspended under the stern, each contain an electric motor driving a 20-foot (6 m) propeller. As they are rotatable, no rudders are needed to steer the ship. Docking is assisted by four 5,500 kilowatts (7,380 hp) bow thrusters in tunnels.

Oasis of the Seas will offer passengers features such as two-story loft suites and luxury suites measuring 1,600 sq ft (150 m2) with balconies overlooking the sea or promenades. The ship features a zip-line, a casino, a mini-golf course, four swimming pools, volleyball and basketball courts, theme parks and nurseries for children.

Onboard recreational, athletic, and entertainment activities are organized into seven themed areas called "neighborhoods", a concept which bears resemblance to theme park planning.

Click the image below for an inside view of the world's biggest ocean liner.

Oasis and Allure of the Seas

*Info-graphic sourced from US Infrastructure here.

**This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia page for Oasis of the Seas


August 22nd 2008 02:18
This first house boat is made from the fuselage of an old Boeing jetliner.
plane houseboat. Cosmic Muffin

This one has a nice upper deck living quarters with entertaining area below.
Extreme Houseboats

This fellow in Amsterdam has the best of both worlds. Who says you can't have a backyard and live on a houseboat?
houseboat with grass lawn

Here's another one from Holland. Floating hotel suites made from oil rig survival pods.
floating hotel rooms. Oil rig survival pods

On the other side of the world, this is the utmost in luxury available to rent in India.
Indian luxury houseboat

*Images sourced from WebUrbanist


Ships Frozen in Ice

March 7th 2008 11:06
These vessels became trapped in dangerous ice in the Arctic and had to be abandoned. Now they're a bit of a tourist attraction.

Ships stuck in ice

Ships and boats frozen in ice

Abandoned ships in the artic ice

Boats stuck in Artic ice fields

Ships trapped in dangerous ice and abandoned

Abandoned vessels trapped in ice

*These pictures used with permission from Damn Funny Pictures.

The First Submarine

December 5th 2006 00:23
The "Turtle" was the first verified submarine capable of independent underwater operation and movement, and the first to use screws for propulsion. It was also the first military submarine as it was designed during the American Revolutionary War and meant to drill into a ship's hull and plant a keg of powder, which would be detonated by a time fuse.

Turtle was invented in Connecticut in 1775 by David Bushnell. Named for its shape, Turtle resembled a large clam as much as a turtle; it was 7.5 feet (2.3 m) long, 6 feet (1.8 m) tall, and about 3 feet (0.9 m) wide, consisting of two wooden shells covered with tar. It submerged by allowing water into the hull and ascended by pushing water out through a hand pump, similarly to the use of ballast tanks in modern submarines, and was propelled vertically and horizontally by hand-cranked propellers, the first recorded use of the screw propeller for ships. It was manned and operated by only one person.

historic submarine
External view of the submarine.

Turtle, revolutionary war submarine
How the Turtle is operated.

18th century submarine
Inside the Turtle.

On September 7, 1776, Turtle, under the guidance of Army volunteer Sergeant Ezra Lee, attacked HMS Eagle, which was moored off what is today called Liberty Island, but it could not manage to bore through the hull. When he attempted another spot in the hull, he lost the ship, and eventually abandoned the attempt.

In 1976, a recreation was designed by Joseph Leary and constructed by Fred Frese as a Bicentennial project. It was christened by Connecticut's governor, Ella Grasso, and later tested in the Connecticut River. It is owned by the Connecticut River Museum and is currently on loan to Old Saybrook High School in Old Saybrook, Connecticut, where students under the direction of Fred Frese are currently building a working recreation of that model.

1976 Turtle submarine recreation
Turtle recreation.

Testing the recreated revolutionary war submarine
Testing the Turtle in the pool.

Turtle submarine recreation testing in the Connecticut River
In the Connecticut River.

*This article is licensed under the GNU Free Documentation Licence. It uses material from the Wikipedia articles Turtle (submarine) and Submarine.

**These pictures used with permission from Damn Funny Pictures.

Boat Ferry

September 6th 2006 04:04
Most people get a little nervous about transporting their precious vehicles over water. Many rental companies won't allow it, and insurance companies won't cover it - and that's when they're travelling in a properly designed boat ferry.

The person below obviously has nerves of steel, or maybe it isn't his car. I'll let you decide.

Freight Ship Car
Ready to load on the makeshift boat ferry.

Boat Ferry
Loading the car on - they don't seem to be tying it down with anything.

Freight Boat
Pulling away from the dock - I hope the weather stays calm.

Car on boat
Away she goes - the car it sticking out a bit.

*These pictures used with permission from DamnFunnyPictures.

Newspaper Boat

August 21st 2006 04:24
This is impressive, a usable boat constructed entirely of newspaper.

Newspaper Boat Docked
Seat & oars are wooden.

[ Click here to read more ]

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