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91-533: Disney Adventure is an upcoming eighth cruise ship owned and operated by Disney Cruise Line , a subsidiary of The Walt Disney Company , due to enter service on December 15, 2025. Disney Adventure is the first and only ship of the Global class , with her then-planned sister ship scrapped due to Genting Hong Kong , Star Cruises , Dream Cruises , and MV Werften all filing for bankruptcy from January to June 2022. She will enter service in 2025. The other seven ships in

182-736: A museum ship , still gets underway several times a year for six-hour "Living History Cruises" that take the ship through Baltimore Harbor, down the Patapsco River , and into the Chesapeake Bay, and she is also the largest cruise ship operating under the American flag on the United States East Coast. Currently the three largest cruise line holding companies and operators in the world are Carnival Corporation & plc, Royal Caribbean Group and Norwegian Cruise Line Holdings . As an industry,

273-415: A ' brewery horse ' could produce 32,400 foot-pounds [43,929 J] per minute." James Watt and Matthew Boulton standardized that figure at 33,000 foot-pounds (44,742 J) per minute the next year. A common legend states that the unit was created when one of Watt's first customers, a brewer, specifically demanded an engine that would match a horse, and chose the strongest horse he had and driving it to

364-458: A North American clientele added every year since 2001, as well as others servicing European clientele until the COVID-19 pandemic in 2020 saw the entire industry all but shut down. The average age of a cruise ship in 2024 is 17.5 years. Operators of cruise ships are known as cruise lines, which are companies that sell cruises to the public. Cruise lines have a dual character; they are partly in

455-417: A combined capacity of 664,602 passengers. Cruising has become a major part of the tourism industry, with an estimated market of $ 29.4 billion per year, and over 19 million passengers carried worldwide annually as of 2011 . The industry's rapid growth saw nine or more newly built ships catering to a North American clientele added every year since 2001, as well as others servicing European clientele until

546-448: A crew deck with a swimming pool and hot tubs. The International Labour Organization 's 2006 Maritime Labour Convention is also known as the "Seafarers' Bill of Rights". Most cruise lines since the 2000s have to some extent priced the cruising experience à la carte , as passenger spending aboard generates significantly more than ticket sales. The passenger's ticket includes the stateroom accommodation, room service, unlimited meals in

637-531: A day, making it the second largest concentration of Olympic accommodation behind the Olympic Village. This hosting solution has been used since then in Games held in coastal cities, such as at Sydney 2000 , Athens 2004 , London 2012 , Sochi 2014 , Rio 2016 and was going to be used at Tokyo 2020 . Cruise ships have been used to accommodate displaced persons during hurricanes. For example, on 1 September 2005,

728-451: A diverse range of ethnically themed restaurants aboard each ship. Ships also feature numerous bars and nightclubs for passenger entertainment; the majority of cruise lines do not include alcoholic beverages in their fares and passengers are expected to pay for drinks as they consume them. Most cruise lines also prohibit passengers from bringing aboard and consuming their own beverages, including alcohol, while aboard. Alcohol purchased duty-free

819-427: A few hundred passengers". After 1980, they offered increasing amenities. As of 2010, city-sized ships have dozens of amenities. There have been nine or more new cruise ships added every year since 2001, including the 11 members of the aforementioned Vista class, and all at 100,000  GT or greater. The only actual ocean liner to be completed in recent years has been Cunard Line's Queen Mary 2 in 2004. Following

910-429: A group of engineers modified a dynometer to be able to measure how much horsepower a horse can produce. This horse was measured to 5.7 hp (4.3 kW). When torque T is in pound-foot units, rotational speed N is in rpm , the resulting power in horsepower is The constant 5252 is the rounded value of (33,000 ft⋅lbf/min)/(2π rad/rev). When torque T is in inch-pounds, The constant 63,025

1001-526: A healthy human can produce about 1.2 hp (0.89 kW) briefly (see orders of magnitude ) and sustain about 0.1 hp (0.075 kW) indefinitely; trained athletes can manage up to about 2.5 hp (1.9 kW) briefly and 0.35 hp (0.26 kW) for a period of several hours. The Jamaican sprinter Usain Bolt produced a maximum of 3.5 hp (2.6 kW) 0.89 seconds into his 9.58 second 100-metre (109.4 yd) sprint world record in 2009. In 2023

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1092-520: A perimeter accessible only by passengers and not by locals. Ports of call have often oriented their own businesses and facilities towards meeting the needs of visiting cruise ships. In one case, Icy Strait Point in Alaska, the entire destination was created explicitly and solely for cruise ship visitors. On "cruises to nowhere" or "nowhere voyages", some cruise ships make two- to three-night round trips without visiting any ports of call. Travel to and from

1183-501: A reputation as "party ships" for younger travelers, but have become large, modern, yet still profitable, as well as Holland America Line and Cunard Line, whose ships cultivate an image of classic elegance. In 2004, Carnival had merged Cunard's headquarters with that of Princess Cruises in Santa Clarita, California so that administrative, financial and technology services could be combined, ending Cunard's history where it had operated as

1274-663: A series of fires burned on the island. Most cruise ships sail the Caribbean or the Mediterranean. Others operate elsewhere in places like Alaska , the South Pacific, the Baltic Sea and New England . A cruise ship that is moving from one of these regions to another will commonly operate a repositioning cruise while doing so. Expedition cruise lines, which usually operate small ships, visit certain more specialized destinations such as

1365-558: A standalone company (subsidiary) regardless of parent ownership. However, Cunard did regain some independence in 2009 when its headquarters were moved to Carnival House in Southampton. The common practice in the cruise industry in listing cruise ship transfers and orders is to list the smaller operating company, not the larger holding corporation, as the recipient cruise line of the sale, transfer, or new order. In other words, Carnival Cruise Line and Holland America Line, for example, are

1456-461: A total of 96,000 kilowatts (129,000  hp ) and power three ABB Azipod XO thrusters via ABB electrical generators. ABB also supplied major control components and software. The ship was planned to use artificial intelligence and robots for many customer-facing services, with extensive use of voice and face recognition. The pre-Disney design provided for 2,350 passenger cabins allowing for 9,000 passengers, 4,700 of those in lower berths. Her crew

1547-420: Is also used in many places to symbolize brake horsepower. Drawbar power (dbp) is the power a railway locomotive has available to haul a train or an agricultural tractor to pull an implement. This is a measured figure rather than a calculated one. A special railway car called a dynamometer car coupled behind the locomotive keeps a continuous record of the drawbar pull exerted, and the speed. From these,

1638-427: Is defined for the ship, often suits and ties or even tuxedos for men, and formal dresses for women. The menu is more upscale than usual. Besides the dining room, modern cruise ships often contain one or more casual buffet-style eateries, which may be open 24 hours and with menus that vary throughout the day to provide meals ranging from breakfast to late-night snacks. In recent years, cruise lines have started to include

1729-460: Is equivalent to a boiler heat output of 33,469 Btu/h (9.809 kW). Present industrial practice is to define "boiler horsepower" as a boiler thermal output equal to 33,475 Btu/h (9.811 kW), which is very close to the original and revised definitions. Boiler horsepower is still used to measure boiler output in industrial boiler engineering in the US. Boiler horsepower is abbreviated BHP, which

1820-450: Is equivalent to a boiler heat output of 33,485 Btu/h (9.813 kW). A few years later in 1884, the ASME re-defined the boiler horsepower as the thermal output equal to the evaporation of 34.5 pounds per hour of water "from and at" 212 °F (100 °C). This considerably simplified boiler testing, and provided more accurate comparisons of the boilers at that time. This revised definition

1911-481: Is in psi, and flow rate is in US gallons per minute. Drilling rigs are powered mechanically by rotating the drill pipe from above. Hydraulic power is still needed though, as 1 500 to 5 000 W are required to push mud through the drill bit to clear waste rock. Additional hydraulic power may also be used to drive a down-hole mud motor to power directional drilling . When using SI units, the equation becomes coherent and there

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2002-465: Is needed to pull a drawbar load of 2,025 pounds-force at 5 miles per hour? { P } h p = 2025 × 5 375 = 27. {\displaystyle \{P\}_{\mathrm {hp} }={\frac {2025\times 5}{375}}=27.} The constant 375 is because 1 hp = 375 lbf⋅mph. If other units are used, the constant is different. When using coherent SI units (watts, newtons, and metres per second), no constant

2093-507: Is needed, and the formula becomes P = Fv . This formula may also be used to calculate the power of a jet engine, using the speed of the jet and the thrust required to maintain that speed. Example: how much power is generated with a thrust of 4000 pounds at 400 miles per hour? { P } h p = 4000 × 400 375 = 4266.7. {\displaystyle \{P\}_{\mathrm {hp} }={\frac {4000\times 400}{375}}=4266.7.} This measure

2184-434: Is no dividing constant. where pressure is in pascals (Pa), and flow rate is in cubic metres per second (m ). Boiler horsepower is a boiler 's capacity to deliver steam to a steam engine and is not the same unit of power as the 550 ft lb/s definition. One boiler horsepower is equal to the thermal energy rate required to evaporate 34.5 pounds (15.6 kg) of fresh water at 212 °F (100 °C) in one hour. In

2275-506: Is ordinarily stated in watts or kilowatts. In the United States, the power output is stated in horsepower which, for this purpose, is defined as exactly 746 W. Hydraulic horsepower can represent the power available within hydraulic machinery , power through the down-hole nozzle of a drilling rig , or can be used to estimate the mechanical power needed to generate a known hydraulic flow rate. It may be calculated as where pressure

2366-520: Is planned to be completed in May 2025, with a maiden voyage on December 15, 2025. The ship was originally planned to measure 201,000  gross tonnage  (GT), but was increased to 208,000 GT in the final design. The ship is 342 metres (1,122 ft 1 in) in length, with a beam of 46.4 metres (152 ft 3 in) and a draft of 9.5 metres (31 ft 2 in). The ship is powered by six MAN Diesel & Turbo 48/60CR diesel engines , which make

2457-472: Is sealed and returned to passengers when they disembark. There is often a central galley responsible for serving all major restaurants aboard the ship, though specialty restaurants may have their own separate galleys. As with any vessel, adequate provisioning is crucial, especially on a cruise ship serving several thousand meals at each seating. For example, a quasi "military operation" is required to load and unload 3,600 passengers and eight tons of food at

2548-738: Is the approximation of Assuming the third CGPM (1901, CR 70) definition of standard gravity , g n = 9.80665 m/s , is used to define the pound-force as well as the kilogram force, and the international avoirdupois pound (1959), one imperial horsepower is: Or given that 1 hp = 550 ft⋅lbf/s, 1 ft = 0.3048 m, 1 lbf ≈ 4.448 N, 1 J = 1 N⋅m, 1 W = 1 J/s: 1 hp ≈ 745.7 W The various units used to indicate this definition ( PS , KM , cv , hk , pk , k , ks and ch ) all translate to horse power in English. British manufacturers often intermix metric horsepower and mechanical horsepower depending on

2639-431: The COVID-19 pandemic in 2020 saw the entire industry all but shut down. The average age of a cruise ship in 2024 is 17.5 years. The construction market for cruise ships is dominated by three European companies and one Asian company. Operators of cruise ships are known as cruise lines. Cruise ships are organized much like floating hotels, with a complete hospitality staff in addition to the usual ship's crew. Traditionally,

2730-472: The French Line 's SS  France (1961), and Cunard Line 's RMS Queen Elizabeth 2 (1969) were designed to serve the dual purposes of ocean liner during the northern hemisphere summer months and cruise ship in the winter, incorporating doors and baffles that could be open or closed to divide classes or open the ship to one class, wherein all passengers received roughly the same quality berthing and most of

2821-550: The Oasis -class ships is the split, atrium structure, made possible by the hull's extraordinary width, with the 6-deck high Central Park and Boardwalk outdoor areas running down the middle of the ship and verandas on all decks. In two short decades (1988–2009), the largest class cruise ships have grown a third longer (268 to 364.75 m, 879 ft 3 in to 1,196 ft 8 in), doubled their widths (32.2 to 65.7 m, 105 ft 8 in to 215 ft 7 in), nearly tripled

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2912-729: The South Pacific , and the Baltic Sea . Large cruise ships have been identified as one of the major causes of overtourism . Italy, a traditional focus of the Grand Tour , offered an early cruise experience on the Francesco I , flying the flag of the Kingdom of the Two Sicilies . Built in 1831, the Francesco I sailed from Naples in early June 1833, preceded by an advertising campaign. Nobles, authorities, and royal princes from all over Europe boarded

3003-749: The kilowatt as the official power-measuring unit in EEC directives. Other names for the metric horsepower are the Italian cavallo vapore (cv) , Dutch paardenkracht (pk) , the French cheval-vapeur (ch) , the Spanish caballo de vapor and Portuguese cavalo-vapor (cv) , the Russian лошадиная сила (л. с.) , the Swedish hästkraft (hk) , the Finnish hevosvoima (hv) ,

3094-602: The "megaships" of Carnival and Royal Caribbean—designed such that virtually all of their suites are balconies. Several specialty lines offer "expedition cruising" or only operate small ships, visiting certain destinations such as the Arctic and Antarctica, or the Galápagos Islands . John W. Brown , which formerly operated as part of the United States Merchant Marine during World War II before being converted to

3185-501: The 1926 Iowa State Fair , they reported that the peak power over a few seconds has been measured to be as high as 14.88 hp (11.10 kW) and also observed that for sustained activity, a work rate of about 1 hp (0.75 kW) per horse is consistent with agricultural advice from both the 19th and 20th centuries and also consistent with a work rate of about four times the basal rate expended by other vertebrates for sustained activity. When considering human-powered equipment ,

3276-488: The 1960s, intercontinental travelers switched from ships to planes, sending the ocean liner trade into a terminal decline. Certain characteristics of older ocean liners made them unsuitable for cruising duties, such as high fuel consumption, deep draught preventing them from entering shallow ports, and cabins (often windowless) designed to maximize passenger numbers rather than comfort. In the late 1950s and 1960s, ships such as Holland America Line 's SS  Rotterdam (1959),

3367-432: The 1990s led to many cruise lines being bought by much larger holding companies and continue to operate as "brands" or subsidiaries of the holding company. Brands continue to be maintained partly because of the expectation of repeat customer loyalty, and also to offer different levels of quality and service. For instance, Carnival Corporation & plc owns both Carnival Cruise Line , whose former image were vessels that had

3458-401: The Arctic and Antarctica, or the Galápagos Islands . Horsepower The term was adopted in the late 18th century by Scottish engineer James Watt to compare the output of steam engines with the power of draft horses . It was later expanded to include the output power of other power-generating machinery such as piston engines , turbines , and electric motors . The definition of

3549-702: The Disney fleet are Disney Magic , Disney Wonder , Disney Dream , Disney Fantasy , Disney Wish , Disney Treasure (first sailing in December 2024), and Disney Destiny (first sailing in November 2025). Genting Hong Kong ordered two ships of the class in May 2016 from its subsidiary Lloyd Werft Group for service in the Star Cruises fleet, with delivery of the first vessel planned for 2019. In July 2016, Genting Hong Kong reorganized Lloyd Werft Group, resulting in

3640-820: The Estonian hobujõud (hj) , the Norwegian and Danish hestekraft (hk) , the Hungarian lóerő (LE) , the Czech koňská síla and Slovak konská sila (k or ks ), the Serbo-Croatian konjska snaga (KS) , the Bulgarian конска сила , the Macedonian коњска сила (KC) , the Polish koń mechaniczny (KM) ( lit.   ' mechanical horse ' ), Slovenian konjska moč (KM) ,

3731-553: The U.S. Federal Emergency Management Agency (FEMA) contracted three Carnival Cruise Lines vessels ( Carnival Fantasy , the former Carnival Holiday , and the Carnival Sensation ) to house Hurricane Katrina evacuees. In 2017, cruise ships were used to help transport residents from some Caribbean islands destroyed by Hurricane Irma , as well as Puerto Rico residents displaced by Hurricane Maria . The cruise ships have also been used for evacuations. In 2010, in response to

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3822-648: The Ukrainian кінська сила (к. с.) , the Romanian cal-putere (CP) , and the German Pferdestärke (PS) . In the 19th century, revolutionary-era France had its own unit used to replace the cheval vapeur (horsepower); based on a 100 kgf ⋅m/s standard, it was called the poncelet and was abbreviated p . Tax or fiscal horsepower is a non-linear rating of a motor vehicle for tax purposes. Tax horsepower ratings were originally more or less directly related to

3913-486: The addition of a casino and other entertainment amenities, the crossing was advertised as a vacation in itself. The 1977–1986 television series The Love Boat helped to popularize the concept as a romantic opportunity for couples. Industry experts credit the series with increasing interest in the cruise industry, especially for those that weren't newlyweds or senior citizens, and for the resulting demand to spur investment in new ships instead of conversions. The influence

4004-869: The base fare on Regent Seven Seas ships includes most alcoholic beverages on board ship and most shore excursions in ports of call, as well as all gratuities that would normally be paid to hotel staff on the ship. The fare may also include a one-night hotel stay before boarding, and the air fare to and from the cruise's origin and destination ports. Many cruise lines have loyalty programs . Using these and by booking inexpensive tickets, some people have found it cheaper to live continuously on cruise ships instead of on land. Cruise ships and former liners sometimes find use in applications other than those for which they were built. Due to slower speed and reduced seaworthiness, as well as being largely introduced after several major wars, cruise ships have also been used as troop transport vessels. By contrast, ocean liners were often seen as

4095-652: The beginning and end of each cruise, for the Royal Princess . Modern cruise ships typically have aboard some or all of the following facilities: Some ships have bowling alleys, ice skating rinks, rock climbing walls, sky-diving simulators, miniature golf courses, video arcades, ziplines, surfing simulators, water slides, basketball courts, tennis courts, chain restaurants, ropes obstacle courses, and even roller coasters. Crew are usually hired on three to eleven month contracts which may then be renewed as mutually agreed, depending on service ratings from passengers as well as

4186-428: The company's group insurance plan. The direct salary is low by North American standards, though restaurant staff have considerable earning potential from passenger tips. Crew members do not have any expenses while on board, because food and accommodation, medical care, and transportation for most employees, are included. Bard College at Simon's Rock professor Francisca Oyogoa states that "Crewing agencies often exploit

4277-706: The cruise lines from this common industry practice point of view; whereas Carnival Corporation & plc and Royal Caribbean Group , for example, can be considered holding corporations of cruise lines. This industry practice of using the smaller operating company, not the larger holding corporation, is also followed in the list of cruise lines and in member-based reviews of cruise lines. Some cruise lines have specialties; for example, Saga Cruises only allows passengers over 50 years old aboard their ships, and Star Clippers and formerly Windjammer Barefoot Cruises and Windstar Cruises only operate tall ships . Regent Seven Seas Cruises operates medium-sized vessels—smaller than

4368-473: The cruise ship business has been volatile. The ships are large capital investments with high operating costs. A persistent decrease in bookings can put a company in financial jeopardy. Cruise lines have sold, renovated, or renamed their ships to keep up with travel trends. Cruise lines operate their ships almost constantly. If the maintenance is unscheduled, it can result, potentially, in thousands of dissatisfied customers. A wave of failures and consolidations in

4459-472: The cruise ship, which sailed in just over three months to Taormina , Catania , Syracuse , Malta , Corfu , Patras , Delphi , Zante , Athens , Smyrna and Constantinople , providing passengers with excursions and guided tours. P&O first introduced passenger-cruising services in 1844, advertising sea tours to destinations such as Gibraltar , Malta and Athens, sailing from Southampton . The forerunner of modern cruise holidays , these voyages were

4550-405: The cyclical nature of the cruise line operator. Most staff work 77-hour work weeks for 10 months continuously followed by two months of vacation. There are no paid vacations or pensions for service, non-management crew, depending on the level of the position and the type of the contract. Non-service and management crew members get paid vacation, medical, retirement options, and can participate in

4641-465: The desperation of potential employees." Living arrangements vary by cruise line, but mostly by shipboard position. In general two employees share a cabin with a shower, commode and a desk with a television set, while senior officers are assigned single cabins. There is a set of facilities for the crew separate from that for passengers, such as mess rooms and bars, recreation rooms, prayer rooms/mosques, and fitness center, with some larger ships even having

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4732-652: The early days of steam use, the boiler horsepower was roughly comparable to the horsepower of engines fed by the boiler. The term "boiler horsepower" was originally developed at the Philadelphia Centennial Exhibition in 1876, where the best steam engines of that period were tested. The average steam consumption of those engines (per output horsepower) was determined to be the evaporation of 30 pounds (14 kg) of water per hour, based on feed water at 100 °F (38 °C), and saturated steam generated at 70 psi (480 kPa). This original definition

4823-522: The engine's bore size, number of cylinders, and a (now archaic) presumption of engine efficiency. As new engines were designed with ever-increasing efficiency, it was no longer a useful measure, but was kept in use by UK regulations, which used the rating for tax purposes . The United Kingdom was not the only country that used the RAC rating; many states in Australia used RAC hp to determine taxation. The RAC formula

4914-499: The engine. The situation persisted for several generations of four- and six-cylinder British engines: For example, Jaguar's 3.4-litre XK engine of the 1950s had six cylinders with a bore of 83 mm (3.27 in) and a stroke of 106 mm (4.17 in), where most American automakers had long since moved to oversquare (large bore, short stroke) V8 engines . See, for example, the early Chrysler Hemi engine . The power of an engine may be measured or estimated at several points in

5005-422: The first "mega-cruise ship". The main exception was Cunard's Queen Elizabeth 2 : although being put on more cruises, she maintained the regular transatlantic crossing tradition throughout the year, but with a stronger focus on leisure passengers, catering to a niche market of those who appreciated the several days at sea. International celebrities were hired to perform acts on board, along with cabarets , and with

5096-424: The first of their kind. P&O Cruises is the world's oldest cruise line . The company later introduced round trips to destinations such as Alexandria and Constantinople. It underwent a period of rapid expansion in the latter half of the 19th century, commissioning larger and more luxurious ships to serve the steadily expanding market. Notable ships of the era include SS  Ravenna built in 1880, which became

5187-519: The first ship built with a total steel superstructure, and SS  Valetta built in 1889. The cruise of Augusta Victoria in the Mediterranean and the Near East from 22 January to 22 March 1891, with 241 passengers including Albert Ballin and wife themselves, is often stated to have been the first ever cruise. Christian Wilhelm Allers published an illustrated account of it as Backschisch . The first vessel built exclusively for luxury cruising

5278-511: The formation of MV Werften as a builder of large cruise ships; accordingly, the Global class order was transferred to Dream Cruises . At the time they were ordered, the design of the ships had not been completed, and as a result construction did not begin until March 2018, when ceremonial steel cuttings for the first ship in the class were held at shipyards in Wismar and Rostock . Major components of

5369-589: The late-19th century, Albert Ballin, director of the Hamburg-America Line, was the first to send his transatlantic ships out on long southern cruises during the worst of the North Atlantic winter seasons. Other companies followed suit. Some of them built specialized ships designed for easy transformation between summer crossings and winter cruising. In 1897 three luxury liners, all European-owned, offered transportation between Europe and North America. In 1906

5460-450: The limit. In that legend, Watt accepted the challenge and built a machine that was actually even stronger than the figure achieved by the brewer, and the output of that machine became the horsepower. In 1993, R. D. Stevenson and R. J. Wassersug published correspondence in Nature summarizing measurements and calculations of peak and sustained work rates of a horse. Citing measurements made at

5551-744: The main dining room (or main restaurant) and buffet, access to shows, and use of pool and gym facilities, while there is a daily gratuity charge to cover housekeeping and waiter service. However, there are extra charges for alcohol and soft drinks, official cruise photos, Internet and wi-fi access, and specialty restaurants. Cruise lines earn significantly from selling onshore excursions offered by local contractors; keeping 50% or more of what passengers spend for these tours. In addition, cruise ships earn significant commissions on sales from onshore stores that are promoted on board as "preferred" (as much as 40% of gross sales). Facilitating this practice are modern cruise terminals with establishments of duty-free shops inside

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5642-501: The mass cruising market. They also were the first series of cruise ships to include a multi-story lobby with a glass elevator and had a single deck devoted entirely to cabins with private balconies, instead of oceanview cabins. Other cruise lines soon launched ships with similar attributes, such as the Fantasy class , leading up to the Panamax -type Vista class , designed such that two-thirds of

5733-583: The number had increased to seven. The British Inman Line owned City of Paris , the Cunard Line had Campania and Lucania . The White Star Line owned Majestic and Teutonic . La Lorraine and La Savoie sailed for the French Compagnie Générale Transatlantique . Modern cruise ships tend to have less hull strength, speed, and agility compared to ocean liners. With the advent of large passenger jet aircraft in

5824-401: The oceanview staterooms have balconies. As the veranda suites were particularly lucrative for cruise lines, something which was lacking in older ocean liners, recent cruise ships have been designed to maximize such amenities and have been described as "balcony-laden floating condominiums". Until 1975–1980, cruises offered shuffleboard , deck chairs, "drinks with umbrellas and little else for

5915-505: The origin of the engine in question. DIN 66036 defines one metric horsepower as the power to raise a mass of 75 kilograms against the Earth's gravitational force over a distance of one metre in one second: 75 kg × 9.80665 m/s × 1 m / 1 s = 75  kgf ⋅m/s = 1 PS. This is equivalent to 735.49875 W, or 98.6% of an imperial horsepower. In 1972, the PS was replaced by

6006-539: The port of departure is usually the passengers' responsibility, although purchasing a transfer pass from the cruise line for the trip between the airport and cruise terminal will guarantee that the ship will not leave until the passenger is aboard. Similarly, if the passenger books a shore excursion with the cruise line and the tour runs late, the ship is obliged to remain until the passenger returns. Luxury cruise lines such as Regent Seven Seas Cruises and Crystal Cruises market their fares as "all-inclusive". For example,

6097-670: The power generated can be calculated. To determine the maximum power available, a controllable load is required; it is normally a second locomotive with its brakes applied, in addition to a static load. If the drawbar force ( F ) is measured in pounds-force (lbf) and speed ( v ) is measured in miles per hour (mph), then the drawbar power ( P ) in horsepower (hp) is { P } h p = { F } l b f { v } m p h 375 . {\displaystyle \{P\}_{\mathrm {hp} }={\frac {\{F\}_{\mathrm {lbf} }\{v\}_{\mathrm {mph} }}{375}}.} Example: How much power

6188-563: The pride of their country and used to rival liners of other nations, and have been requisitioned during both World Wars and the Falklands War to transport soldiers and serve as hospital ships . During the 1992 Summer Olympics , eleven cruise ships docked at the Port of Barcelona for an average of 18 days, served as floating hotels to help accommodate the large influx of visitors to the Games. They were available to sponsors and hosted 11,000 guests

6279-517: The retirement of her running mate Queen Elizabeth 2 in November 2008, Queen Mary 2 is the only liner operating on scheduled transatlantic service, though she also sees significant service on cruise routes. Queen Mary 2 was for a time the largest passenger ship before being surpassed by Royal Caribbean International 's Freedom -class vessels in 2006. The Freedom -class ships were in turn overtaken by RCI's own Oasis -class vessels which entered service in 2009 and 2010. A distinctive feature of

6370-580: The same facilities. (Passengers in cabins in certain grades on the Queen Elizabeth 2 had access only to certain dining rooms). Ocean liner services almost ceased in the 1970s and 1980s. The Rotterdam was put on permanent cruise service in 1968, while the France (at the time the largest passenger vessel in the world) was mothballed in 1974, sold to Norwegian Cruise Line in 1979, and after major renovations relaunched as SS  Norway in 1980, thus becoming

6461-560: The ship's events (such as shows and performances) for the late diners, but this problem is usually fixed by having a shorter version of the event take place before late dinner. Cunard Line ships maintain the class tradition of ocean liners and have separate dining rooms for different types of suites, while Celebrity Cruises and Princess Cruises have a standard dining room and "upgrade" specialty restaurants that require pre-booking and cover charges. Many cruises schedule one or more "formal dining" nights. Guests dress "formally", however, that

6552-620: The shipbuilding company Meyer Werft to complete the ship by the time she enters service and embarks on her maiden voyage in 2025. She will be the first Disney Cruise Ship to be based outside of the United States market, set to be homeported in Singapore . On September 8, 2023, the ship was officially announced as the Disney Adventure at the Destination D23 Expo . The interior design was done by Estonia-based group LTH-Baas. Construction

6643-565: The ships were constructed at both shipyards, with assembly taking place in Wismar. Construction was scheduled to take just under three years, with the first ship to be delivered in late 2020 and the second in late 2021. In March 2018, Genting Hong Kong announced that the two planned Global -class ships would be operated by Dream Cruises upon delivery, sailing from Chinese ports during the summer season and further afield in Southeast Asia, Oceania and

6734-542: The ships' restaurants organize two dinner services per day, early dining and late dining, and passengers are allocated a set dining time for the entire cruise; a recent trend is to allow diners to dine whenever they want. Besides the dining room, modern cruise ships often contain one or more casual buffet-style eateries. Most cruise ships sail the Caribbean or the Mediterranean . Others operate elsewhere in places like Alaska ,

6825-401: The ships' restaurants organize two dinner services per day, early dining and late dining, and passengers are allocated a set dining time for the entire cruise; a recent trend is to allow diners to dine whenever they want. Having two dinner times allows the ship to have enough time and space to accommodate all of its guests. Having two different dinner services can cause some conflicts with some of

6916-472: The shutdown of UK airspace due to the eruption of Iceland's Eyjafjallajökull volcano, the newly completed Celebrity Eclipse was used to rescue 2,000 British tourists stranded in Spain as an act of goodwill by the owners. The ship departed from Southampton for Bilbao on 21 April, and returned on 23 April. A cruise ship was kept on standby in case inhabitants of Kangaroo Island required evacuation in 2020 after

7007-423: The size of the engine; but as of 2000, many countries changed over to systems based on CO 2 emissions, so are not directly comparable to older ratings. The Citroën 2CV is named for its French fiscal horsepower rating, "deux chevaux" (2CV). Nameplates on electrical motors show their power output, not the power input (the power delivered at the shaft, not the power consumed to drive the motor). This power output

7098-483: The temporary closure of the shipyard in 2020 as a result of the COVID-19 pandemic , the delivery of both Global -class ships was expected to be delayed. On November 16, 2022, Disney Cruise Line purchased Global Dream for €40 million, a discount from the original value of €1.8 billion, and is powered by methanol . The post-Disney design will provide 2,111 passenger cabins, allowing for 6,000 passengers. Disney worked with

7189-419: The total number of cabins on all of the world's cruise ships amount to less than 2% of the world's hotel rooms. Cruise ships are organized much like floating hotels, with a complete hospitality staff in addition to the usual ship's crew. It is not uncommon for the most luxurious ships to have more crew and staff than passengers. Dining on almost all cruise ships is included in the cruise price. Traditionally,

7280-582: The total passenger count (2,744 to 7,600), and more than tripled in volume (73,000 to 248,000 GT). Also, the "megaships" went from a single deck with verandas to all decks with verandas. As of November 2022 there were 302 cruise ships operating worldwide, with a combined capacity of 664,602 passengers. Cruising has become a major part of the tourism industry, with an estimated market of $ 29.4 billion per year, and over 19 million passengers carried worldwide annually as of 2011 . The industry's rapid growth saw nine or more newly built ships catering to

7371-502: The transmission of the power from its generation to its application. A number of names are used for the power developed at various stages in this process, but none is a clear indicator of either the measurement system or definition used. In general: All the above assumes that no power inflation factors have been applied to any of the readings. Engine designers use expressions other than horsepower to denote objective targets or performance, such as brake mean effective pressure (BMEP). This

7462-451: The transportation business, and partly in the leisure entertainment business, a duality that carries down into the ships themselves, which have both a crew headed by the ship's captain, and a hospitality staff headed by the equivalent of a hotel manager . Among cruise lines, some are direct descendants of the traditional passenger shipping lines (such as Cunard), while others were founded from the 1960s specifically for cruising. Historically,

7553-668: The unit varied among geographical regions. Most countries now use the SI unit watt for measurement of power. With the implementation of the EU Directive 80/181/EEC on 1 January 2010, the use of horsepower in the EU is permitted only as a supplementary unit. The development of the steam engine provided a reason to compare the output of horses with that of the engines that could replace them. In 1702, Thomas Savery wrote in The Miner's Friend : The idea

7644-451: The west coast of the United States during the remainder of the year. The construction of the first ship, Global Dream , started on 8 March 2018 at the facilities in Wismar and Rostock. The keel was laid on 11 September 2018 in Rostock. A big part of the ship left the drydock in Rostock on 22 November 2019 and was towed to Wismar, where she entered the drydock on 23 November 2019. Due to

7735-654: Was Prinzessin Victoria Luise of the German Empire, designed by Albert Ballin, general manager of the Hamburg-America Line . The ship was completed in 1900. The practice of luxury cruising made steady inroads into the more established market for transatlantic crossings . In the competition for passengers, ocean liners – Titanic being the most famous example – added luxuries such as fine dining , luxury services , and staterooms with finer appointments. In

7826-604: Was 12 feet (3.7 m) in radius; therefore, the horse travelled 2.4 × 2π × 12 feet in one minute. Watt judged that the horse could pull with a force of 180 pounds-force (800 N). So: Engineering in History recounts that John Smeaton initially estimated that a horse could produce 22,916 foot-pounds (31,070 J) per minute. John Desaguliers had previously suggested 44,000 foot-pounds (59,656 J) per minute, and Thomas Tredgold suggested 27,500 foot-pounds (37,285 J) per minute. "Watt found by experiment in 1782 that

7917-531: Was instituted by the Royal Automobile Club and was used to denote the power of early 20th-century British cars. Many cars took their names from this figure (hence the Austin Seven and Riley Nine), while others had names such as "40/50 hp", which indicated the RAC figure followed by the true measured power. Taxable horsepower does not reflect developed horsepower; rather, it is a calculated figure based on

8008-420: Was later used by James Watt to help market his improved steam engine. He had previously agreed to take royalties of one-third of the savings in coal from the older Newcomen steam engines . This royalty scheme did not work with customers who did not have existing steam engines but used horses instead. Watt determined that a horse could turn a mill wheel 144 times in an hour (or 2.4 times a minute). The wheel

8099-489: Was particularly notable for Princess Cruises , a line that partnered with the series and received a great deal of attention as a result. Contemporary cruise ships built in the late 1980s and later, such as the Sovereign class which broke the size record held for decades by Norway , showed characteristics of size once reserved for ocean liners. The Sovereign -class ships were the first "megaships" to be built specifically for

8190-470: Was sometimes applied in British colonies as well, such as Kenya (British East Africa) . where Since taxable horsepower was computed based on bore and number of cylinders, not based on actual displacement, it gave rise to engines with "undersquare" dimensions (bore smaller than stroke), which tended to impose an artificially low limit on rotational speed , hampering the potential power output and efficiency of

8281-725: Was to be 2,200. The post-Disney design will provide 2,111 passenger cabins, allowing for 6,000 passengers. Cruise ship Cruise ships are large passenger ships used mainly for vacationing . Unlike ocean liners , which are used for transport, cruise ships typically embark on round-trip voyages to various ports of call, where passengers may go on tours known as "shore excursions". Modern cruise ships tend to have less hull strength, speed, and agility compared to ocean liners. However, they have added amenities to cater to water tourists , with recent vessels being described as "balcony-laden floating condominiums". As of November 2022 there were 302 cruise ships operating worldwide, with

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