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138-572: The SS Kiche Maru was a Japanese steamship that sank during a typhoon on 22 September 1912. Although more than 1,000 died, the disaster has long been overshadowed by the earlier loss (on 15 April 1912) of the RMS Titanic , and by the fact that Kiche Maru was one of hundreds of naval calamities caused by a tropical storm in Southern Japan . The sinking of the ship was swiftly reported, though confusion about its name became apparent (it

276-800: A cargo liner or cargo-passenger liner. The advent of the Jet Age and the decline in transoceanic ship service brought about a gradual transition from passenger ships to modern cruise ships as a means of transportation. In order for ocean liners to remain profitable, cruise lines modified some of them to operate on cruise routes, such as the SS ; France . Certain characteristics of older ocean liners made them unsuitable for cruising, 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. The Italian Line 's SS  Michelangelo and SS  Raffaello ,

414-510: A commerce raider . The torpedoing and sinking of Lusitania on 7 May 1915 caused the loss of 128 American lives at a time when the United States was still neutral. Although other factors came into play, the loss of American lives in the sinking strongly pushed the United States to favour the Allied Powers and facilitated the country's entry into the war. The losses of the liners owned by

552-416: A stuffing box that prevents water from entering the hull along the tube. Some early stern tubes were made of brass and operated as a water lubricated bearing along the entire length. In other instances a long bush of soft metal was fitted in the after end of the stern tube. SS  Great Eastern had this arrangement fail on her first transatlantic voyage, with very large amounts of uneven wear. The problem

690-509: A U-boat when tugs tried to tow her to safety. Out of all the innovative and glamorous inter-war superliners, only the Cunard Queens and Europa would survive the war. After the war, some ships were again transferred from the defeated nations to the winning nations as war reparations. This was the case of the Europa , which was ceded to France and renamed Liberté . The United States government

828-530: A competition between world powers of the time, especially between the United Kingdom , the German Empire , and to a lesser extent France . Once the dominant form of travel between continents, ocean liners were rendered largely obsolete by the emergence of long-distance aircraft after World War II . Advances in automobile and railway technology also played a role. After Queen Elizabeth 2 was retired in 2008,

966-496: A conflict rich in events involving liners. From the start of the conflict, German liners were requisitioned and many were turned into barracks ships. It was in the course of this activity that the Bremen caught fire while under conversion for Operation Sea Lion and was scrapped in 1941. During the conflict, Queen Elizabeth and Queen Mary provided distinguished service as troopships. Many liners were sunk with great loss of life; in

1104-503: A cruise ship over the years and was in active service for Cruise & Maritime Voyages until operations ceased in 2020 due to the COVID-19 pandemic . In August, 2021 she was purchased by Brock Pierce to be transformed into a hotel along with MV  Funchal . These plans were ultimately abandoned and the ship was again made available for sale, never having left port in Rotterdam. Astoria

1242-443: A day when travelling at 13 knots (24 km/h; 15 mph). Her maiden outward voyage to Melbourne took 42 days, with one coaling stop, carrying 4,000 tons of cargo. Other similar ships were rapidly brought into service over the next few years. By 1885 the usual boiler pressure was 150 pounds per square inch (1,000 kPa) and virtually all ocean-going steamships being built were ordered with triple expansion engines. Within

1380-560: A demonstration project for the potential use of nuclear energy. Thousands of Liberty Ships (powered by steam piston engines) and Victory Ships (powered by steam turbine engines) were built in World War II. A few of these survive as floating museums and sail occasionally: SS  Jeremiah O'Brien , SS  John W. Brown , SS  American Victory , SS  Lane Victory , and SS  Red Oak Victory . A steam turbine ship can be either direct propulsion (the turbines, equipped with

1518-526: A dry berthed luxury hotel on Bintan Island , Indonesia. Post-war ocean liners still existent include MV  Astoria (1948), United States (1952), MV Brazil Maru (1954), Rotterdam (1958), MV  Funchal (1961), MS  Ancerville (1962), Queen Elizabeth 2 (1967), and Queen Mary 2 (2003). Out of these eight ocean liners, only one is still active and three of them have since been preserved. The Rotterdam has been moored in Rotterdam as

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1656-445: A few former ocean liners were still in existence; some, like SS  Norway , were sailing as cruise ships while others, like Queen Mary , were preserved as museums , or laid up at pier side like SS United States . After the retirement of Queen Elizabeth 2 in 2008, the only ocean liner in service was Queen Mary 2 , built in 2003–04, used for both point-to-point line voyages and for cruises. A proposed and planned ocean liner,

1794-430: A few further experiments until SS  Aberdeen  (1881) went into service on the route from Britain to Australia. Her triple expansion engine was designed by Dr A C Kirk, the engineer who had developed the machinery for Propontis . The difference was the use of two double ended Scotch type steel boilers, running at 125 pounds per square inch (860 kPa). These boilers had patent corrugated furnaces that overcame

1932-551: A few years, new installations were running at 200 pounds per square inch (1,400 kPa). The tramp steamers that operated at the end of the 1880s could sail at 9 knots (17 km/h; 10 mph) with a fuel consumption of 0.5 ounces (14 g) of coal per ton mile travelled. This level of efficiency meant that steamships could now operate as the primary method of maritime transport in the vast majority of commercial situations. In 1890, steamers constituted 57% of world's tonnage, and by World War I their share raised to 93%. By 1870

2070-458: A fixed schedule, so must be faster and built to withstand the rough seas and adverse conditions encountered on long voyages across the open ocean. To protect against large waves they usually have a higher hull and promenade deck with higher positioning of lifeboats (the height above water called the freeboard ), as well as a longer bow than a cruise ship. Additionally, for additional strength they are often designed with thicker hull plating than

2208-473: A given distance, but fewer firemen were needed to fuel the boilers, so crew costs and their accommodation space were reduced. Agamemnon was able to sail from London to China with a coaling stop at Mauritius on the outward and return journey, with a time on passage substantially less than the competing sailing vessels. Holt had already ordered two sister ships to Agamemnon by the time she had returned from her first trip to China in 1866, operating these ships in

2346-504: A head wind, most notably against the southwest monsoon when returning with a cargo of new tea. Though the auxiliary steamers persisted in competing in far eastern trade for a few years (and it was Erl King that carried the first cargo of tea through the Suez Canal ), they soon moved on to other routes. What was needed was a big improvement in fuel efficiency. While the boilers for steam engines on land were allowed to run at high pressures,

2484-425: A large portion of the population of cities and built hulls, machines, furnitures and lifeboats. Among the other well-known British shipyards were Swan, Hunter & Wigham Richardson , the builder of RMS  Mauretania , and John Brown & Company , builders of RMS  Lusitania , RMS  Aquitania , RMS  Queen Mary , Queen Elizabeth , and Queen Elizabeth 2 . Germany had many shipyards on

2622-566: A museum and hotel since 2008, while the Queen Elizabeth 2 has been a floating luxury hotel and museum at Mina Rashid, Dubai since 2018. The Ancerville was refurbished as a hotel for use at the Sea World development in Shenzhen, China in 1984. The first of these, Astoria (originally the ocean liner MS Stockholm, which collided with Andrea Doria in 1956 ) has been rebuilt and refitted as

2760-634: A museum ship, since 1961. Queen Mary (1934) was preserved in 1967 after her retirement, and became a museum/hotel in Long Beach, California . In the 1970s, SS  Great Britain (1843) was also preserved, and now resides in Bristol , England as another museum. The latest ship to undergo preservation is MV  Doulos (1914). While originally being a cargo ship, it served as the Italian ocean liner Franca C. for Costa Lines from 1952 to 1959, and in 2010 it became

2898-495: A number of inventions such as the screw propeller , the compound engine , and the triple-expansion engine made trans-oceanic shipping on a large scale economically viable. In 1870 the White Star Line ’s RMS  Oceanic set a new standard for ocean travel by having its first-class cabins amidships, with the added amenity of large portholes, electricity and running water. The size of ocean liners increased from 1880 to meet

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3036-458: A particularly compact compound engine and taken great care with the hull design, producing a light, strong, easily driven hull. The efficiency of Holt's package of boiler pressure, compound engine and hull design gave a ship that could steam at 10 knots on 20 long tons of coal a day. This fuel consumption was a saving from between 23 and 14 long tons a day, compared to other contemporary steamers. Not only did less coal need to be carried to travel

3174-513: A prefix designating their propeller configuration i.e. single, twin, triple-screw. Single-screw Steamship SS , Twin-Screw Steamship TSS , Triple-Screw Steamship TrSS . Steam turbine-driven ships had the prefix TS . In the UK the prefix RMS for Royal Mail Steamship overruled the screw configuration prefix. The first steamship credited with crossing the Atlantic Ocean between North America and Europe

3312-470: A reduction gear, rotate directly the propellers), or turboelectric (the turbines rotate electric generators, which in turn feed electric motors operating the propellers). While steam turbine-driven merchant ships such as the Algol -class cargo ships (1972–1973), ALP Pacesetter-class container ships (1973–1974) and very large crude carriers were built until the 1970s, the use of steam for marine propulsion in

3450-426: A sailing vessel. The steam engine would only be used when conditions were unsuitable for sailing – in light or contrary winds. Some of this type (for instance Erl King ) were built with propellers that could be lifted clear of the water to reduce drag when under sail power alone. These ships struggled to be successful on the route to China, as the standing rigging required when sailing was a handicap when steaming into

3588-529: A screw propeller was SS  Great Britain , a creation of Brunel. Her career was disastrous and short. She was run aground and stranded at Dundrum Bay in 1846. In 1884, she was retired to the Falkland Islands where she was used as a warehouse, quarantine ship, and coal hulk until she was scuttled in 1937. The American company Collins Line took a different approach. It equipped its ships with cold rooms, heating systems, and various other innovations but

3726-505: A set route are called "line voyages" and vessels (passenger or cargo) trading on these routes to a timetable are called liners. The alternative to liner trade is "tramping" whereby vessels are notified on an ad hoc basis as to the availability of a cargo to be transported. (In older usage, "liner" also referred to ships of the line , that is, line-of-battle ships, but that usage is now rare.) The term "ocean liner" has come to be used interchangeably with "passenger liner", although it can refer to

3864-516: A speed of 27 knots. Their records seemed unbeatable, and most shipping companies abandoned the race for speed in favor of size, luxury, and safety. The advent of ships with diesel engines, and of those whose engines were oil-burning, such as the Bremen , in the early 1930s, relaunched the race for the Blue Riband . The Normandie won it in 1935 before being snatched by RMS  Queen Mary in 1938. It

4002-552: A steamship was capable of crossing the ocean, the public was not yet prepared to trust such means of travel on the open sea, and, in 1820, the steam engine was removed from the vessel. Work on this technology continued and a new step was taken in 1833. Royal William managed to cross the Atlantic by using steam power on most of the voyage; sail was used only when the boilers were cleaned. There were still many skeptics, and in 1836, scientific writer Dionysius Lardner declared that: As

4140-501: A steel plate attached to the engine beds. Water at 200 psi was injected between these two surfaces to lubricate and separate them. This arrangement was not sufficient for higher engine powers and oil lubricated "collar" thrust bearings became standard from the early 1850s. This was superseded at the beginning of the 20th century by floating pad bearing which automatically built up wedges of oil which could withstand bearing pressures of 500 psi or more. Steam-powered ships were named with

4278-467: A swimming pool. In the 1920s, SS  Paris was the first liner to offer a movie theatre. The British and the German shipyards were the most famed in shipbuilding during the great era of ocean liners. In Ireland, Harland & Wolff shipyard of Belfast were particularly innovative and succeeded in winning the trust of many shipping companies, such as White Star Line . These gigantic shipyards employed

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4416-452: A tonnage of 79,280. In 1940, RMS  Queen Elizabeth raised the record of size to a tonnage of 83,673. She was the largest passenger ship ever constructed until 1997. In 2003, RMS  Queen Mary 2 became the largest, at 149,215 GT. In the early 1840s, the average speed of liners was less than 10 knots (a crossing of the Atlantic thus took about 12 days or more). In the 1870s, the average speed of liners increased to around 15 knots

4554-429: Is a type of passenger ship primarily used for transportation across seas or oceans. Ocean liners may also carry cargo or mail, and may sometimes be used for other purposes (such as for pleasure cruises or as hospital ships ). The Queen Mary 2 is the only ocean liner still in service to this day. The category does not include ferries or other vessels engaged in short-sea trading, nor dedicated cruise ships where

4692-481: Is found on cruise ships, as well as a deeper draft for greater stability, and have large capacities for fuel, food, and other consumables on long voyages. On an ocean liner, the captain's tower ( bridge ) is usually positioned on the upper deck for increased visibility. The first ocean liners were built in the mid-19th century. Technological innovations such as the steam engine, Diesel engine and steel hull allowed larger and faster liners to be built, giving rise to

4830-635: Is the Canadian ship SS  Royal William in 1833. The British side-wheel paddle steamer SS  Great Western was the first steamship purpose-built for regularly scheduled trans-Atlantic crossings, starting in 1838. In 1836 Isambard Kingdom Brunel and a group of Bristol investors formed the Great Western Steamship Company to build a line of steamships for the Bristol-New York route. The idea of regular scheduled transatlantic service

4968-612: The Avro Lancaster and Boeing B-29 Superfortress , with their range and massive carrying capacity, were natural prototypes for post-war next-generation airliners . Jet engine technology also accelerated due to wartime development of jet aircraft . In 1953, the De Havilland Comet became the first commercial jet airliner; the Sud Aviation Caravelle , Boeing 707 and Douglas DC-8 followed, and much long-distance travel

5106-558: The Big Four of the White Star Line were the first liners to surpass Great Eastern as the largest passenger ships . Ultimately their owner was American (as mentioned above, White Star Line had been absorbed into J. P. Morgan's trust). Faced with this major competition, the British government contributed financially to Cunard Line's construction of two liners of unmatched size and speed, under

5244-515: The Board of Trade (under the authority of the Merchant Shipping Act 1854 ) would not allow ships to exceed 20 or 25 pounds per square inch (140 or 170 kPa). Compound engines were a known source of improved efficiency – but generally not used at sea due to the low pressures available. Carnatic (1863) , a P&O ship, had a compound engine – and achieved better efficiency than other ships of

5382-453: The Cold War (eg. Russian aircraft carrier Admiral Kuznetsov ), because of needs of high power and speed, although from 1970s they were mostly replaced by gas turbines . Large naval vessels and submarines continue to be operated with steam turbines, using nuclear reactors to boil the water. NS Savannah , was the first nuclear-powered cargo-passenger ship, and was built in the late 1950s as

5520-621: The East Coast to the West Coast of the United States began on 28 February 1849, with the arrival of SS  California in San Francisco Bay . The California left New York Harbor on 6  October 1848, rounded Cape Horn at the tip of South America, and arrived at San Francisco, California, after a four-month and 21-day journey. The first steamship to operate on the Pacific Ocean was

5658-529: The Falkland Islands to recover the Falklands from the invading Argentine forces . The P&O educational cruise ship and former British India Steam Navigation Company liner Uganda was requisitioned as a hospital ship, and served after the war as a troopship until the RAF Mount Pleasant station was built at Stanley , which could handle trooping flights. By the first decade of the 21st century, only

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5796-511: The Far East , India, Australia, etc. The birth of the concept of international water and the lack of any claim to it simplified navigation. In 1818, the Black Ball Line , with a fleet of sailing ships, offered the first regular passenger service with emphasis on passenger comfort, from England to the United States. In 1807, Robert Fulton succeeded in applying steam engines to ships. He built

5934-573: The Mediterranean and then through the Red Sea . While this worked for passengers and some high value cargo, sail was still the only solution for virtually all trade between China and Western Europe or East Coast America. Most notable of these cargoes was tea , typically carried in clippers . Another partial solution was the Steam Auxiliary Ship – a vessel with a steam engine, but also rigged as

6072-534: The SS  Andrea Doria , which later sank in 1956 after a collision with MS  Stockholm . Before the Second World War, aircraft had not posed a significant economic threat to ocean liners. Most pre-war aircraft were noisy, vulnerable to bad weather, and/or incapable of the range needed for transoceanic flights; all were expensive and had a small passenger capacity. The war accelerated development of large, long-ranged aircraft. Four-engined bombers, such as

6210-565: The Titanic II , is a modern replica of the original RMS Titanic , which sank in 1912. The ship is owned by Blue Star Line and is bought by Australian businessman Clive Palmer , the ship is set to be launched by 2027. Four ocean liners made before the Second World War survive today as they have been partially or fully preserved as museums and hotels . The Japanese ocean liner Hikawa Maru (1929), has been preserved in Naka-ku, Yokohama , Japan, as

6348-585: The flagship of the company's fleet. Because all U.S. registered ships counted as an extension of U.S. territory, the National Prohibition Act made American liners alcohol-free, causing alcohol-seeking passengers to choose other liners for travel and substantially reducing profits for the United States Lines. In 1929, Germany returned to the scene with the two ships of Norddeutscher Lloyd, SS  Bremen and SS  Europa . Bremen won

6486-696: The reciprocating steam engine , and was far easier to control. Diesel engines also required far less supervision and maintenance than steam engines, and as an internal combustion engine it did not need boilers or a water supply, therefore was more space efficient and cheaper to build. The Liberty ships were the last major steamship class equipped with reciprocating engines. The last Victory ships had already been equipped with marine diesels, and diesel engines superseded both steamers and windjammers soon after World War Two. Most steamers were used up to their maximum economical life span, and no commercial ocean-going steamers with reciprocating engines have been built since

6624-401: The 1960s. Most steamships today are powered by steam turbines . After the demonstration by British engineer Charles Parsons of his steam turbine-driven yacht, Turbinia , in 1897, the use of steam turbines for propulsion quickly spread. The Cunard RMS Mauretania , built in 1906 was one of the first ocean liners to use the steam turbine (with a late design change shortly before her keel

6762-717: The Allied Powers were compensated by the Treaty of Versailles in 1919. This led to the awarding of many German liners to the victorious Allies. The Hamburg America Line's trio ( Imperator , Vaterland , and Bismarck ) were divided between the Cunard Line, White Star Line, and the United States Lines , while the three surviving ships of the Kaiser class were requisitioned by the US Navy in

6900-470: The Atlantic Ocean on a scheduled liner voyage before she was converted to diesels in 1986. The last major passenger ship built with steam turbines was the Fairsky , launched in 1984, later Atlantic Star , reportedly sold to Turkish shipbreakers in 2013. Most luxury yachts at the end of the 19th and early 20th centuries were steam driven (see luxury yacht ; also Cox & King yachts ). Thomas Assheton Smith

7038-528: The Atlantic, around the southern tip of Africa, and across the Indian Ocean . Before 1866, no steamship could carry enough coal to make this voyage and have enough space left to carry a commercial cargo. A partial solution to this problem was adopted by the Peninsular and Oriental Steam Navigation Company (P&O), using an overland section between Alexandria and Suez , with connecting steamship routes along

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7176-407: The Atlantic. Great Western was an iron-strapped, wooden, side-wheel paddle steamer, with four masts to hoist the auxiliary sails. The sails were not just to provide auxiliary propulsion, but also were used in rough seas to keep the ship on an even keel and ensure that both paddle wheels remained in the water, driving the ship in a straight line. The hull was built of oak by traditional methods. She

7314-701: The Atlantic. Constructing large ships was therefore more profitable. Moreover, migration to the Americas increased enormously. These movements of population were a financial windfall for the shipping companies, some of the largest of which were founded during this time. Examples are the P&;O of the United Kingdom in 1822 and the Compagnie Générale Transatlantique of France in 1855. The steam engine also allowed ships to provide regular service without

7452-460: The Blue Riband for her company. This race for speed, however, was a detriment to passengers' comfort and generated strong vibration, which made her owner lose any interest in her after she lost the Blue Riband to another ship of Norddeutscher Lloyd. She was only used for ten years for transatlantic crossing before being converted into a cruise ship. Until 1907 the Blue Riband remained in the hands of

7590-512: The Blue Riband from Britain's Mauretania after the latter had held it for twenty years. Soon, Italy also entered the scene. The Italian Line completed SS  Rex and SS  Conte di Savoia in 1932, breaking the records of both luxury and speed ( Rex won the westbound Blue Riband in 1933). France reentered the scene with SS  Normandie of the French Compagnie Générale Transatlantique (CGT). The ship

7728-471: The British. From 1912 to 1914, Hamburg America Line completed a trio of liners significantly larger than the White Star Line's Olympic -class ships. The first to be completed, in 1913 was SS  Imperator . She was followed by SS Vaterland in 1914. The construction of the third liner, SS  Bismarck , was paused by the outbreak of the First World War. The First World War was a hard time for

7866-633: The Germans. In 1902, J. P. Morgan embraced the idea of a maritime empire comprising a large number of companies. He founded the International Mercantile Marine Co. , a trust which originally comprised only American shipping companies. The trust then absorbed Leyland Line and White Star Line. The British government then decided to intervene in order to regain the ascendancy. Although German liners dominated in terms of speed, British liners dominated in terms of size. RMS  Oceanic and

8004-517: The Liverpool to New York route. RMS  Titanic was the largest steamship in the world when she sank in 1912; a subsequent major sinking of a steamer was that of the RMS ; Lusitania , as an act of World War I . Launched in 1938, RMS  Queen Elizabeth was the largest passenger steamship ever built. Launched in 1969, Queen Elizabeth 2 (QE2) was the last passenger steamship to cross

8142-576: The Second World War the three worst disasters were the loss of the Cunarder Lancastria in 1940 off Saint-Nazaire to German bombing while attempting to evacuate troops of the British Expeditionary Force from France, with the loss of more than 3,000 lives; the sinking of Wilhelm Gustloff , after the ship was torpedoed by a Soviet submarine, with more than 9,000 lives lost, making it the deadliest maritime disaster in history; and

8280-525: The United Kingdom and the United States. Over time, the paddle wheel, impractical on the high seas, was abandoned in favour of the propeller. In 1840, Cunard Line's RMS  Britannia began its first regular passenger and cargo service by a steamship, sailing from Liverpool to Boston , Massachusetts. As the size of ship increased, the wooden hull became fragile. Beginning with the use of an iron hull in 1845, and then steel hulls, solved this problem. The first ship to be both iron-hulled and equipped with

8418-530: The United States during this time. The year 1858 was marked by a major accident: the sinking of SS  Austria . The ship, built in Greenock and sailing between Hamburg and New York twice a month, suffered an accidental fire off the coast of Newfoundland and sank with the loss of all but 89 of the 542 passengers. In the British market, Cunard Line and White Star Line (the latter after being bought by Thomas Ismay in 1868), competed strongly against each other in

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8556-438: The added amenity of large portholes, electricity and running water. The size of ocean liners increased from 1880 to meet the needs of immigration to the United States and Australia. RMS  Umbria and her sister ship RMS  Etruria were the last two Cunard liners of the period to be fitted with auxiliary sails. Both ships were built by John Elder & Co. of Glasgow, Scotland, in 1884. They were record breakers by

8694-567: The adoption of screw propulsion by the Royal Navy , in addition to her influence on commercial vessels. The first screw-driven propeller steamship introduced in America was on a ship built by Thomas Clyde in 1844 and many more ships and routes followed. The key innovation that made ocean-going steamers viable was the change from the paddle-wheel to the screw-propeller as the mechanism of propulsion. These steamships quickly became more popular, because

8832-438: The cabin class and the steerage class. The passengers travelling on the former were wealthy passengers and they enjoyed certain comfort in that class. The passengers travelling on the latter were members of the middle class or the working class. In that class, they were packed in large dormitories. Until the beginning of the 20th century, they did not always have bedsheets and meals. An intermediate class for tourists and members of

8970-579: The coast of the North Sea and the Baltic Sea , including Blohm & Voss and AG Vulcan Stettin . Many of these shipyards were destroyed during World War II; some managed to recover and continue building ships. In France, major shipyards included Chantiers de Penhoët in Saint-Nazaire , known for building SS  Normandie . This shipyard merged with Ateliers et Chantiers de la Loire shipyard to form

9108-426: The commercial market has declined dramatically due to the development of more efficient diesel engines . One notable exception are LNG carriers which use boil-off gas from the cargo tanks as fuel. However, even there the development of dual-fuel engines has pushed steam turbines into a niche market with about 10% market share in newbuildings in 2013. Lately, there has been some development in hybrid power plants where

9246-604: The company. Construction was carried out in a specially adapted dry dock in Bristol , England. Brunel was given a chance to inspect John Laird 's 213-foot (65 m) (English) channel packet ship Rainbow —the largest iron- hulled ship then in service—in 1838, and was soon converted to iron-hulled technology. He scrapped his plans to build a wooden ship and persuaded the company directors to build an iron-hulled ship. Iron's advantages included being much cheaper than wood, not being subject to dry rot or woodworm , and its much greater structural strength. The practical limit on

9384-436: The competing problems of heat transfer and sufficient strength to deal with the boiler pressure. Aberdeen was a marked success, achieving in trials, at 1,800 indicated horsepower , a fuel consumption of 1.28 pounds (0.58 kg) of coal per indicated horsepower. This was a reduction in fuel consumption of about 60%, compared to a typical steamer built ten years earlier. In service, this translated into less than 40 tons of coal

9522-465: The competition from Cunard Line, White Star Line ordered the Olympic -class liners at the end of 1907. The first of these three liners, RMS  Olympic , completed in 1911, had a fine career, although punctuated by incidents. This was not the case for her sister, the RMS  Titanic , which sank on her maiden voyage on 15 April 1912, resulting in several changes to maritime safety practices. As for

9660-471: The condition that they be available for conversion into armed cruisers when needed by the navy. The result of this partnership was the completion in 1907 of two sister ships: RMS  Lusitania and RMS  Mauretania , both of which won the Blue Riband during their respective maiden voyages. The latter retained this distinction for twenty years. Their great speed was achieved by the use of turbines instead of conventional expansion machines. In response to

9798-567: The construction of the Queen Mary while progressively sending their older ships to the scrapyard. The Queen Mary was the fastest ship of her time and the largest for a short amount of time, she captured the Blue Riband twice, both off Normandie . The construction of a second ship, the Queen Elizabeth , was interrupted by the outbreak of the Second World War . The Second World War was

9936-420: The context of the conflict and then retained. The Tirpitz , whose construction was delayed by the outbreak of war eventually became the RMS  Empress of Australia . Of the German superliners, only Deutschland , because of her poor state, avoided this fate. After a period of reconstruction, the shipping companies recovered quickly from the damage caused by the First World War. The ships, whose construction

10074-409: The crowding of passengers, and faster ships, to reduce the duration of transatlantic crossings. The iron and steel hulls and steam power allowed for these advances. Thus, SS Great Western (1,340 GRT) and SS Great Eastern (18,915 GRT) were constructed in 1838 and 1858 respectively. The record set by SS Great Eastern was not beaten until 43 years later in 1901 when RMS  Celtic (20,904 GT)

10212-417: The dawn of the jet age . Such routes included Europe to African and Asian colonies, Europe to South America, and migrant traffic from Europe to North America in the 19th and first two decades of the 20th centuries, and to Canada and Australia after the Second World War. Shipping lines are companies engaged in shipping passengers and cargo, often on established routes and schedules. Regular scheduled voyages on

10350-573: The development of the river and canal steamboat, the first steamships began to cross the Atlantic Ocean . The first sea-going steamboat was Richard Wright's first steamboat Experiment , an ex-French lugger ; she steamed from Leeds to Yarmouth in July 1813. The first iron steamship to go to sea was the 116-ton Aaron Manby , built in 1821 by Aaron Manby at the Horseley Ironworks , and became

10488-409: The duration of a transatlantic crossing shortened to around 7 days, owing to the technological progress made in the propulsion of ships: the rudimentary steam boilers gave rise to more elaborate machineries and the paddlewheel gradually disappeared, replaced first by one screw then by two screws. At the beginning of the 20th century, Cunard Line's RMS  Lusitania and RMS  Mauretania reached

10626-403: The first auxiliary cruiser in history. In the time of war, ships could easily be equipped with cannons and used in cases of conflict. Teutonic succeeded in impressing Emperor Wilhelm II of Germany, who wanted to see his country endowed with a modern fleet. In 1870, the White Star Line's RMS  Oceanic set a new standard for ocean travel by having its first-class cabins amidships, with

10764-473: The first half of the 18th century, with the first working steamboat and paddle steamer , the Pyroscaphe , from 1783. Once the technology of steam was mastered at this level, steam engines were mounted on larger, and eventually, ocean-going vessels. Becoming reliable, and propelled by screw rather than paddlewheels, the technology changed the design of ships for faster, more economic propulsion. Paddlewheels as

10902-541: The first iron-built vessel to put to sea when she crossed the English Channel in 1822, arriving in Paris on 22 June. She carried passengers and freight to Paris in 1822 at an average speed of 8 knots (9 mph, 14 km/h). The American ship SS  Savannah first crossed the Atlantic Ocean arriving in Liverpool, England, on June 20, 1819, although most of the voyage was actually made under sail. The first ship to make

11040-489: The first ship that was powered by this technology, the Clermont , which succeeded in travelling between New York City and Albany, New York in thirty hours before entering into regular service between the two cities. Soon after, other vessels were built using this innovation. In 1816, the Élise became the first steamship to cross the English Channel . Another important advance came in 1819, when SS  Savannah became

11178-500: The first steamship to cross the Atlantic Ocean. She left the U.S. city of the same name and arrived in Liverpool, England in 27 days. Most of the distance was covered by sailing; the steam power was not used for more than 72 hours during the travel. The public enthusiasm for the new technology was not high, as none of the thirty-two people who had booked a seat boarded the ship for that historic voyage. Although Savannah had proven that

11316-417: The following technological innovations. Steam engines had to be designed with the power delivered at the bottom of the machinery, to give direct drive to the propeller shaft . A paddle steamer's engines drive a shaft that is positioned above the waterline, with the cylinders positioned below the shaft. SS  Great Britain used chain drive to transmit power from a paddler's engine to the propeller shaft –

11454-565: The last ocean liners to be built primarily for crossing the North Atlantic, could not be converted economically and had short careers. At the beginning of the 19th century, the Industrial Revolution and the inter-continental trade rendered the development of secure links between continents imperative. Being at the top among the colonial powers, the United Kingdom needed stable maritime routes to connect different parts of its empire :

11592-399: The late 1860s. The struggle was symbolised by the attainment of the Blue Riband, which the two companies achieved several times around the end of the century. The luxury and technology of ships were also evolving. Auxiliary sails became obsolete and disappeared completely at the end of the century. Possible military use of passenger ships was envisaged and, in 1889, RMS  Teutonic became

11730-516: The length of a wooden-hulled ship is about 300 feet, after which hogging —the flexing of the hull as waves pass beneath it—becomes too great. Iron hulls are far less subject to hogging, so that the potential size of an iron-hulled ship is much greater. In the spring of 1840 Brunel also had the opportunity to inspect SS  Archimedes , the first screw-propelled steamship, completed only a few months before by F. P. Smith's Propeller Steamship Company. Brunel had been looking into methods of improving

11868-521: The liners. Some of them, like the Mauretania , Aquitania , and Britannic were transformed into hospital ships during the conflict. Others became troop transports, while some, such as the Kaiser Wilhelm der Grosse , participated in the war as warships. Troop transportation was very popular due to the liners' large size. Liners converted into troop ships were painted in dazzle camouflage to reduce

12006-404: The main motive source became standard on these early vessels. It was an effective means of propulsion under ideal conditions but otherwise had serious drawbacks. The paddle-wheel performed best when it operated at a certain depth, however when the depth of the ship changed from added weight it further submerged the paddle wheel causing a substantial decrease in performance. Within a few decades of

12144-438: The middle class gradually appeared. The cabins were then divided into three classes. The facilities offered to passengers developed over time. In the 1870s, the installation of bathtubs and oil lamps caused a sensation on board SS  Oceanic . In the following years, the number of amenities became numerous, for example: smoking rooms, lounges, and promenade deck. In 1907, RMS  Adriatic even offered Turkish baths and

12282-402: The needs of the human migration to the United States and Australia. RMS  Umbria and her sister ship RMS  Etruria were the last two Cunard liners of the period to be fitted with auxiliary sails. Both ships were built by John Elder & Co. of Glasgow, Scotland, in 1884. They were record breakers by the standards of the time, and were the largest liners then in service, plying

12420-573: The newly formed Blue Funnel Line . His competitors rapidly copied his ideas for their own new ships. The opening of the Suez Canal in 1869 gave a distance saving of about 3,250 nautical miles (6,020 km; 3,740 mi) on the route from China to London. The canal was not a practical option for sailing vessels, as using a tug was difficult and expensive – so this distance saving was not available to them. Steamships immediately made use of this new waterway and found themselves in high demand in China for

12558-570: The number of people crossing the Atlantic and at the same time reducing the number of profitable transatlantic voyages. In response, shipping companies redirected many of their liners to a more profitable cruise service. In 1934, in the United Kingdom, Cunard Line and White Star Line were in very bad shape financially. Chancellor of the Exchequer Neville Chamberlain proposed to merge the two companies in order to solve their financial problems. The merger took place in 1934 and launched

12696-538: The ocean liners came to an end. By the early 1970s, many passenger ships continued their service in cruising. In 1982, during the Falklands War , three active or former liners were requisitioned for war service by the British Government . The liners Queen Elizabeth 2 and Canberra , were requisitioned from Cunard and P&O to serve as troopships, carrying British Army personnel to Ascension Island and

12834-403: The only ship still in service as an ocean liner is RMS  Queen Mary 2 . Ocean liners were the primary mode of intercontinental travel for over a century, from the mid-19th century until they began to be supplanted by airliners in the 1950s. In addition to passengers, liners carried mail and cargo. Ships contracted to carry British Royal Mail used the designation RMS . Liners were also

12972-419: The operating costs of steamships were still too high in certain trades, so sail was the only commercial option in many situations. The compound engine, where steam was expanded twice in two separate cylinders, still had inefficiencies. The solution was the triple expansion engine, in which steam was successively expanded in a high pressure, intermediate pressure and a low pressure cylinder. The theory of this

13110-606: The operation was expensive. The sinking of two of its ships was a major blow to the company which was dissolved in 1858. In 1858, Brunel built his third and last giant, SS  Great Eastern . The ship was, for 43 years, the largest passenger ship ever built . She had the capacity to carry 4,000 passengers. Her career was marked by a series of failures and incidents, one of which was an explosion on board during her maiden voyage. Many ships owned by German companies like Hamburg America Line and Norddeutscher Lloyd were sailing from major German ports, such as Hamburg and Bremen, to

13248-401: The paddle steamer Beaver , launched in 1836 to service Hudson's Bay Company trading posts between Puget Sound Washington and Alaska . The most testing route for steam was from Britain or the East Coast of the U.S. to the Far East . The distance from either is roughly the same, between 14,000 to 15,000 nautical miles (26,000 to 28,000 km; 16,000 to 17,000 mi), traveling down

13386-453: The performance of Great Britain ' s paddlewheels, and took an immediate interest in the new technology, and Smith, sensing a prestigious new customer for his own company, agreed to lend Archimedes to Brunel for extended tests. Over several months, Smith and Brunel tested a number of different propellers on Archimedes in order to find the most efficient design, a four-bladed model submitted by Smith. When launched in 1843, Great Britain

13524-465: The preferred way to move gold and other high-value cargoes. The busiest route for liners was on the North Atlantic with ships travelling between Europe and North America. It was on this route that the fastest, largest and most advanced liners travelled, though most ocean liners historically were mid-sized vessels which served as the common carriers of passengers and freight between nations and among other countries and their colonies and dependencies before

13662-455: The project of making the voyage directly from New York to Liverpool, it was perfectly chimerical, and they might as well talk of making the voyage from New York to the moon. The last step toward long-distance travel using steam power was taken in 1837 when SS  Sirius left Liverpool on 4 April and arrived in New York eighteen days later on 22 April after a turbulent crossing. Too little coal

13800-450: The propeller's efficiency was consistent regardless of the depth at which it operated. Being smaller in size and mass and being completely submerged, it was also far less prone to damage. James Watt of Scotland is widely given credit for applying the first screw propeller to an engine at his Birmingham works, an early steam engine , beginning the use of a hydrodynamic screw for propulsion. The development of screw propulsion relied on

13938-419: The result of a late design change to propeller propulsion. An effective stern tube and associated bearings were required. The stern tube contains the propeller shaft where it passes through the hull structure. It should provide an unrestricted delivery of power by the propeller shaft. The combination of hull and stern tube must avoid any flexing that will bend the shaft or cause uneven wear. The inboard end has

14076-527: The risk of being torpedoed by enemy submarines . The war was marked by the loss of many liners. Britannic , while serving as a hospital ship, sank in the Aegean Sea in 1916 after she struck a mine. Numerous incidents of torpedoing took place and large numbers of ships sank. Kaiser Wilhelm der Grosse was defeated and scuttled after a fierce battle with HMS  Highflyer off the coast of west Africa, while her sister ship Kronprinz Wilhelm served as

14214-426: The shipwreck, or the ship itself. Steamship As steamships were less dependent on wind patterns, new trade routes opened up. The steamship has been described as a "major driver of the first wave of trade globalization (1870–1913)" and contributor to "an increase in international trade that was unprecedented in human history". Steamships were preceded by smaller vessels, called steamboats , conceived in

14352-427: The sinking of SS  Cap Arcona with more than 7,000 lives lost, both in the Baltic Sea , in 1945. SS Rex was bombarded and sunk in 1944, and Normandie caught fire, capsized, and sank in New York in 1942 while being converted for troop duty. Many of the superliners of the 1920s and 1930s were victims of U-boats , mines or enemy aircraft. Empress of Britain was attacked by German planes, then torpedoed by

14490-613: The standards of the time, and were the largest liners then in service, plying the Liverpool to New York route. SS  Ophir was a 6,814-ton steamship owned by the Orient Steamship Co. , and was fitted with refrigeration equipment. She plied the Suez Canal route from England to Australia during the 1890s, up until the years leading to World War I when she was converted to an armed merchant cruiser . In 1897, Norddeutscher Lloyd launched SS  Kaiser Wilhelm der Grosse . She

14628-458: The start of the 1870 tea season. The steamships were able to obtain a much higher rate of freight than sailing ships and the insurance premium for the cargo was less. So successful were the steamers using the Suez Canal that, in 1871, 45 were built in Clyde shipyards alone for Far Eastern trade. Throughout the 1870s, compound-engined steamships and sailing vessels coexisted in an economic equilibrium:

14766-578: The steam turbine is used together with gas engines. As of August 2017 the newest class of Steam Turbine ships are the Seri Camellia -class LNG carriers built by Hyundai Heavy Industries (HHI) starting in 2016 and comprising five units. Nuclear powered ships are basically steam turbine vessels. The boiler is heated, not by heat of combustion , but by the heat generated by nuclear reactor. Most atomic-powered ships today are either aircraft carriers or submarines . Ocean liner An ocean liner

14904-463: The third sister, HMHS  Britannic , she never served her intended purpose as a passenger ship, as she was drafted in the First World War as a hospital ship , and sank to a naval mine in 1916. At the same time, France tried to mark its presence with the completion in 1912 of SS  France owned by the Compagnie Générale Transatlantique . Germany soon responded to the competition from

15042-603: The time. Her boilers ran at 26 pounds per square inch (180 kPa) but relied on a substantial amount of superheat . Alfred Holt , who had entered marine engineering and ship management after an apprenticeship in railway engineering, experimented with boiler pressures of 60 pounds per square inch (410 kPa) in Cleator . Holt was able to persuade the Board of Trade to allow these boiler pressures and, in partnership with his brother Phillip launched Agamemnon in 1865. Holt had designed

15180-541: The title of the first ship to make the transatlantic trip substantially under steam power is the British-built Dutch-owned Curaçao , a wooden 438-ton vessel built in Dover and powered by two 50 hp engines, which crossed from Hellevoetsluis , near Rotterdam on 26 April 1827 to Paramaribo , Surinam on 24 May, spending 11 days under steam on the way out and more on the return. Another claimant

15318-408: The transatlantic route, acting as a model for all following Atlantic paddle-steamers. The Cunard Line 's RMS  Britannia began her first regular passenger and cargo service by a steamship in 1840, sailing from Liverpool to Boston. In 1845 the revolutionary SS  Great Britain , also built by Brunel, became the first iron-hulled screw-driven ship to cross the Atlantic. SS Great Britain

15456-535: The transatlantic trip substantially under steam power may have been the British-built Dutch-owned Curaçao , a wooden 438-ton vessel built in Dover and powered by two 50 hp engines, which crossed from Hellevoetsluis , near Rotterdam on 26 April 1827 to Paramaribo , Surinam on 24 May, spending 11 days under steam on the way out and more on the return. Another claimant is the Canadian ship SS  Royal William in 1833. The first steamship purpose-built for regularly scheduled trans-Atlantic crossings

15594-454: The use of sail. This aspect particularly appealed to the postal companies, which leased the services of ships to serve clients separated by the ocean. In 1839, Samuel Cunard founded the Cunard Line and became the first to dedicate the activity of his shipping company to the transport of mails, thus ensuring regular services on a given schedule. The company's vessels operated the routes between

15732-488: The voyage itself, and not transportation, is the primary purpose of the trip. Nor does it include tramp steamers , even those equipped to handle limited numbers of passengers. Some shipping companies refer to themselves as "lines" and their container ships , which often operate over set routes according to established schedules, as "liners". Though ocean liners share certain similarities with cruise ships, they must be able to travel between continents from point A to point B on

15870-554: Was an English aristocrat who forwarded the design of the steam yacht in conjunction with the Scottish marine engineer Robert Napier . By World War II , steamers still constituted 73% of world's tonnage, and similar percentage remained in early 1950s. The decline of the steamship began soon thereafter. Many had been lost in the war, and marine diesel engines had finally matured as an economical and viable alternative to steam power. The diesel engine had far better thermal efficiency than

16008-617: Was beached in Zhanjiang, China as a tourist attraction called Hai Shang Cheng Shi in 1998, though has been closed as of 2022. Funchal was purchased by Brock Pierce in 2021, with the intent of turning her into a hotel. Her future is uncertain as it was reported in July 2021 that no progress has been made since then. Since their beginning in the 19th century, ocean liners needed to meet growing demands. The first liners were small and overcrowded, leading to unsanitary conditions on board. Eliminating these phenomena required larger ships, to reduce

16146-479: Was by far the largest vessel afloat. Brunel's last major project, SS  Great Eastern , was built in 1854–1857 with the intent of linking Great Britain with India, via the Cape of Good Hope , without any coaling stops. This ship was arguably more revolutionary than her predecessors. She was one of the first ships to be built with a double hull with watertight compartments and was the first liner to have four funnels. She

16284-435: Was commenced, and, with it, the tradition of the Blue Riband . With Great Western , Isambard Kingdom Brunel laid the foundations for new shipbuilding techniques. He realised that the carrying capacity of a ship increases as the cube of its dimensions, whilst the water resistance only increases as the square of its dimensions. This means that large ships are more fuel-efficient, something very important for long voyages across

16422-488: Was completed. The tonnage then grew profoundly: the first liners to have a tonnage that exceeded 20,000 were the Big Four of the White Star Line . The Olympic -class ocean liners , first completed in 1911, were the first to have a tonnage that exceeded 45,000 and the Imperator -class ocean liners first completed in 1913 became the 1st liners with tonnage exceeding 50,000. SS  Normandie , completed in 1935, had

16560-402: Was done by air. The Italian Line's SS  Michelangelo and SS  Raffaello , launched in 1962 and 1963, were two of the last ocean liners to be built primarily for liner service across the North Atlantic. Cunard's transatlantic liner, Queen Elizabeth 2 , was also used as a cruise ship. By the early 1960s, 95% of passenger traffic across the Atlantic was by aircraft. Thus the reign of

16698-402: Was established in the 1850s by John Elder , but it was clear that triple expansion engines needed steam at, by the standards of the day, very high pressures. The existing boiler technology could not deliver this. Wrought iron could not provide the strength for the higher pressures. Steel became available in larger quantities in the 1870s, but the quality was variable. The overall design of boilers

16836-541: Was followed three years later by three sister ships . The ship was both luxurious and fast, managing to steal the Blue Riband from the British. She was also the first of the fourteen ocean liners with four funnels that have emerged in maritime history. The ship needed only two funnels, but more funnels gave passengers a feeling of safety and power. In 1900, the Hamburg America Line competed with its own four-funnel liner, SS  Deutschland . She quickly obtained

16974-557: Was improved in the early 1860s, with the Scotch-type boilers – but at that date these still ran at the lower pressures that were then current. The first ship fitted with triple expansion engines was Propontis (launched in 1874). She was fitted with boilers that operated at 150 pounds per square inch (1,000 kPa) – but these had technical problems and had to be replaced with ones that ran at 90 pounds per square inch (620 kPa). This substantially degraded performance. There were

17112-405: Was laid down) and was soon followed by all subsequent liners. Most larger warships of the world's navies were propelled by steam turbines burning bunker fuel in both World Wars, apart from obsolete ships with reciprocating machines from the turn of the century, and rare cases of usage of diesel engines in larger warships. Steam turbines burning fuel remained in warship construction until the end of

17250-658: Was not until 1952 that SS  United States set a record that remains today: 34.5 knots (3 days and 12 hours of crossing the Atlantic). In addition, since 1935, the Blue Riband is accompanied by the Hales Trophy , which is awarded to the winner. The first ocean liners were designed to carry mostly migrants. On-board sanitary conditions were often deplorable and epidemics were frequent. In 1848, maritime laws imposing hygiene rules were adopted and they improved on-board living conditions. Gradually, two distinct classes were developed:

17388-600: Was prepared for the crossing, and the crew had to burn cabin furniture in order to complete the voyage. The journey took place at a speed of 8.03 knots. The voyage was made possible by the use of a condenser, which fed the boilers with fresh water, avoiding having to periodically shut down the boilers in order to remove the salt. The feat was short-lived. The next day, SS  Great Western , designed by railway engineer Isambard Kingdom Brunel , arrived in New York. She left Liverpool on 8 April and overtook Sirius ' s record with an average speed of 8.66 knots. The race of speed

17526-807: Was referred to as the Kieko Maru , the Keiko Maru , and the Kickermaru in later accounts). Kiche Maru , a passenger ship , foundered off the island of Honshū , with the loss of all souls aboard. Although the sinking of the Japanese passenger ship was reported in the Western press as part of the news of the 1912 typhoon, and the information has been repeated in English-language lists of historic disasters, no contemporaneous Japanese accounts have been found to describe either

17664-596: Was reported to have been sold for scrap in January 2023, but this has been denied by the ship's owner. United States has been docked in Philadelphia since 1996, but following a legal dispute between the organization that owns United States and the pier owners, she was purchased by Okaloosa County , Florida to be turned into the world's largest artificial reef. There are plans for a land-based museum and several pieces of United States are planned to be preserved. Brazil Maru

17802-410: Was solved with a lignum vitae water-lubricated bearing, patented in 1858. This became standard practice and is in use today. Since the motive power of screw propulsion is delivered along the shaft, a thrust bearing is needed to transfer that load to the hull without excessive friction. SS  Great Britain had a 2 ft diameter gunmetal plate on the forward end of the shaft which bore against

17940-605: Was started before the war, such as SS  Paris of the French Line , were completed and put into service. Prominent British liners, such as the Olympic and the Mauretania , were also put back into service and had a successful career in the early 1920s. More modern liners were also built, such as SS  Île de France (completed in 1927). The United States Lines , having received the Vaterland , renamed her Leviathan and made her

18078-484: Was the American ship SS  Savannah , though she was actually a hybrid between a steamship and a sailing ship, with the first half of the journey making use of the steam engine. Savannah left the port of Savannah, Georgia , US, on 22 May 1819, arriving in Liverpool , England, on 20 June 1819; her steam engine having been in use for part of the time on 18 days (estimates vary from 8 to 80 hours). A claimant to

18216-451: Was the British side-wheel paddle steamer SS  Great Western built by Isambard Kingdom Brunel in 1838, which inaugurated the era of the trans-Atlantic ocean liner . SS  Archimedes , built in Britain in 1839 by Francis Pettit Smith , was the world's first screw propeller -driven steamship for open water seagoing. She had considerable influence on ship development, encouraging

18354-456: Was the biggest liner throughout the rest of the 19th century with a gross tonnage of almost 20,000 tons and had a passenger-carrying capacity of thousands. The ship was ahead of her time and went through a turbulent history, never being put to her intended use. The first transatlantic steamer built of steel was SS  Buenos Ayrean , built by Allan Line Royal Mail Steamers and entering service in 1879. The first regular steamship service from

18492-434: Was the first ship to combine these two innovations. After the initial success of its first liner, SS  Great Western of 1838, the Great Western Steamship Company assembled the same engineering team that had collaborated so successfully before. This time however, Brunel, whose reputation was at its height, came to assert overall control over design of the ship—a state of affairs that would have far-reaching consequences for

18630-400: Was the largest ship afloat at the time of her completion in 1935. She was also the fastest, winning the Blue Riband in 1935. A crisis arose when the United States drastically reduced its immigrant quotas, causing shipping companies to lose a large part of their income and to have to adapt to this circumstance. The Great Depression also played an important role, causing a drastic decrease in

18768-503: Was the largest steamship for one year, until the British and American's British Queen went into service. Built at the shipyard of Patterson & Mercer in Bristol, Great Western was launched on 19 July 1837 and then sailed to London, where she was fitted with two side-lever steam engines from the firm of Maudslay, Sons & Field , producing 750 indicated horsepower between them. The ship proved satisfactory in service and initiated

18906-525: Was under discussion by several groups and the rival British and American Steam Navigation Company was established at the same time. Great Western's design sparked controversy from critics that contended that she was too big. The principle that Brunel understood was that the carrying capacity of a hull increases as the cube of its dimensions, while water resistance only increases as the square of its dimensions. This meant that large ships were more fuel efficient, something very important for long voyages across

19044-707: Was very impressed with the service of the Cunard's Queen Mary and Queen Elizabeth as troopships during the war. To ensure a reliable and fast troop transport in case of a war against the Soviet Union, the U.S. government sponsored the construction of SS  United States and entered it into service for the United States Lines in 1952. She won the Blue Riband on her maiden voyage in that year and held it until Richard Branson won it back in 1986 with Virgin Atlantic Challenger II. One year later, in 1953, Italy completed

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