What engines do cruise ships use?

While there's a romantic idea of ships being powered by steam, cruise ships are powered by diesel engines as standard. There are three methods: direct drive, diesel electric or gas turbine. Direct Drive. The conventional diesel method is the simplest.



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Some of the engines are always running, since the ship always needs power. Most of them are off in port, since we don't need propulsion (unless it's a tender port) and power demand is low due to most people being off the ship.

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These massive vessels can consume power up to about 50,000 horsepower. One horsepower on these ships equals 746 watts. Engines are designed to move large propellers or produce enough diverted electricity to drive the propellers.

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Your car can probably reach a top speed of over 100 MPH, but how often do you drive it that fast? Similarly, most cruise ships are capable of traveling faster than 18-22 knots. But unless there's a compelling reason to do so (such as avoiding severe weather), they'll rarely travel at top speed.

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On average, a healthy, well-built cruise ship can last for around 30 years, including regular services and design refreshes. But some cruise ships last for much longer. We take a look at the oldest cruise ships still sailing the seas and chart some of the different stages in their lifespan.

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Cruise ships make their own drinking water. It's unsurprising since they're constantly surrounded by sea water – they use either steam evaporation or reverse osmosis processes to desalinate the water before minerals and chlorine are added. It's the same as a home filtration system, only significantly larger.

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What is the maximum speed of a cruise ship? The maximum speed for most modern vessels is about 30 knots or 34.5 mph, but just because they can glide along that fast doesn't mean they actually do, or at least not all the time.

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The amount of experience, the level of education, the grades they received, location, and company all can determine the year's salary. In general, a cruise ship captain salary ranges between $54,000 and more than $100,000. This may seem like a low pay scale considering the responsibilities that come with the job.

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Powering Ships The most common power system on ships at the moment is diesel-electric. This means that diesel engines on board the ship produce electricity. This electricity is then used to power the different services on board. This includes powering the propellers or pods.

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A medium-sized cruise ship requires between 4.5 and 7 Megawatts. A ship of the super-large generation even consumes around 10 Megawatts. … both cruise ships and ports must be equipped with the appropriate technology to accommodate shore power.

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Water used for drinking is usually taken from seawater undergoing a desalination process. River cruise ships have smaller water stores. Fresh water supplies are topped up during each port visit, which isn't a huge problem since their travels don't run several days between port visits.

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The answer is that cruise ships always have access to fresh water that's obtained through several different techniques. For instance, some of the more modern and sizable cruise ships produce their own fresh water onboard via a desalination plant.

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The MV Astoria is the oldest cruise ship currently sailing, and Cruise and Maritime Voyages embraces the story of its vintage vessel. It employs an on-board historian to offer lectures about the ship's fascinating past.

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The easiest way to enjoy living on a cruise ship for the long term would be to look for world cruises. These itineraries can last a long time. Some of the longest run for six months, but three months is more common. However, don't expect world cruises to run back-to-back.

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And so just how easily can a cruise ship slow down or speed up? The numbers are pretty similar to a container vessel. “From full speed, just putting the engines to stop and letting the ship coast as it were, it would take 15 minutes, and 1.75 miles, for us to stop,” says Bathgate.

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In 24 hours, a cruise ship travelling at the standard service speed can cover about 480 nautical miles (which equates to 552 land miles).

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