160-769: SS Canberra was an ocean liner , which later operated on cruises , in the P&;O fleet from 1961 to 1997. She was built at the Harland and Wolff shipyard in Belfast , Northern Ireland at a cost of £ 17 million. The ship was named on 17 March 1958, after the federal capital of Australia, Canberra . She was launched on 16 March 1960, sponsored by Dame Pattie Menzies , wife of the then Prime Minister of Australia , Robert Menzies . She entered service in May 1961, and made her maiden voyage starting in June. In
320-414: A carcinogen or "probable carcinogen" and is known to increase the risk of heart and respiratory diseases. In principle, a diesel engine does not require any sort of electrical system. However, most modern diesel engines are equipped with an electrical fuel pump, and an electronic engine control unit. However, there is no high-voltage electrical ignition system present in a diesel engine. This eliminates
480-800: 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 ,
640-510: 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
800-669: A troopship . Canberra sailed to Southampton , Hampshire where she was quickly refitted, sailing on 9 April for the South Atlantic . Nicknamed the Great White Whale, Canberra proved vital in transporting 3 Commando Brigade to the islands more than 9,000 nautical miles (17,000 km) from the United Kingdom. Canberra was sent to the heart of the conflict. Canberra anchored in San Carlos Water on 21 May as part of
960-509: 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
1120-530: 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,
1280-496: 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
1440-503: 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
1600-682: A cruise ship. Her role in the Falklands War made her very popular with the British public, and ticket sales after her return were elevated for many years as a result. In March 1986, the Golden Cockerel trophy was transferred from the old Oriana to the Canberra due to Oriana's retirement. Age and high running costs eventually caught up with the Canberra though, as she had much higher fuel consumption than most modern cruise ships. As refitting her to meet
1760-448: A diesel engine drops at lower loads, however, it does not drop quite as fast as the Otto (spark ignition) engine's. Diesel engines are combustion engines and, therefore, emit combustion products in their exhaust gas . Due to incomplete combustion, diesel engine exhaust gases include carbon monoxide , hydrocarbons , particulate matter , and nitrogen oxides pollutants. About 90 per cent of
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#17328582425551920-526: 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
2080-516: A few degrees releasing the pressure and is controlled by a mechanical governor, consisting of weights rotating at engine speed constrained by springs and a lever. The injectors are held open by the fuel pressure. On high-speed engines the plunger pumps are together in one unit. The length of fuel lines from the pump to each injector is normally the same for each cylinder in order to obtain the same pressure delay. Direct injected diesel engines usually use orifice-type fuel injectors. Electronic control of
2240-445: 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,
2400-407: A finite area, and the net output of work during a cycle is positive. The fuel efficiency of diesel engines is better than most other types of combustion engines, due to their high compression ratio, high air–fuel equivalence ratio (λ) , and the lack of intake air restrictions (i.e. throttle valves). Theoretically, the highest possible efficiency for a diesel engine is 75%. However, in practice
2560-458: 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
2720-452: A fuel consumption of 519 g·kW ·h . However, despite proving the concept, the engine caused problems, and Diesel could not achieve any substantial progress. Therefore, Krupp considered rescinding the contract they had made with Diesel. Diesel was forced to improve the design of his engine and rushed to construct a third prototype engine. Between 8 November and 20 December 1895, the second prototype had successfully covered over 111 hours on
2880-409: A full set of valves, two-stroke diesel engines have simple intake ports, and exhaust ports (or exhaust valves). When the piston approaches bottom dead centre, both the intake and the exhaust ports are "open", which means that there is atmospheric pressure inside the cylinder. Therefore, some sort of pump is required to blow the air into the cylinder and the combustion gasses into the exhaust. This process
3040-425: 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
3200-403: A low-pressure loop at the bottom of the diagram. At 1 it is assumed that the exhaust and induction strokes have been completed, and the cylinder is again filled with air. The piston-cylinder system absorbs energy between 1 and 2 – this is the work needed to compress the air in the cylinder, and is provided by mechanical kinetic energy stored in the flywheel of the engine. Work output is done by
3360-532: A more efficient replacement for stationary steam engines . Since the 1910s, they have been used in submarines and ships. Use in locomotives , buses, trucks, heavy equipment , agricultural equipment and electricity generation plants followed later. In the 1930s, they slowly began to be used in some automobiles . Since the 1970s energy crisis , demand for higher fuel efficiency has resulted in most major automakers, at some point, offering diesel-powered models, even in very small cars. According to Konrad Reif (2012),
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#17328582425553520-566: 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
3680-634: 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
3840-678: A notable exception being the EMD 567 , 645 , and 710 engines, which are all two-stroke. The power output of medium-speed diesel engines can be as high as 21,870 kW, with the effective efficiency being around 47-48% (1982). Most larger medium-speed engines are started with compressed air direct on pistons, using an air distributor, as opposed to a pneumatic starting motor acting on the flywheel, which tends to be used for smaller engines. Medium-speed engines intended for marine applications are usually used to power ( ro-ro ) ferries, passenger ships or small freight ships. Using medium-speed engines reduces
4000-526: A petroleum engine with glow-tube ignition in the early 1890s; he claimed against his own better judgement that his glow-tube ignition engine worked the same way Diesel's engine did. His claims were unfounded and he lost a patent lawsuit against Diesel. Other engines, such as the Akroyd engine and the Brayton engine , also use an operating cycle that is different from the diesel engine cycle. Friedrich Sass says that
4160-415: A poorer power-to-mass ratio than an equivalent petrol engine. The lower engine speeds (RPM) of typical diesel engines results in a lower power output. Also, the mass of a diesel engine is typically higher, since the higher operating pressure inside the combustion chamber increases the internal forces, which requires stronger (and therefore heavier) parts to withstand these forces. The distinctive noise of
4320-461: A purpose-built ocean liner to a long and successful career in cruising, occurred without any major external alterations, and with only minimal internal and mechanical changes over the years. One of her public rooms included a 'Cricketers Tavern', which contained a collection of bats and ties from cricket clubs all over the world; she also had the William Fawcett reading/writing room, named for
4480-408: A regular trunk-piston. Two-stroke engines have a limited rotational frequency and their charge exchange is more difficult, which means that they are usually bigger than four-stroke engines and used to directly power a ship's propeller. Four-stroke engines on ships are usually used to power an electric generator. An electric motor powers the propeller. Both types are usually very undersquare , meaning
4640-709: A result, Premier bought the similar looking Rotterdam ). A replacement for the Canberra , the 1988-built Star Princess was transferred to P&O Cruises and was renamed Arcadia . On 25 September 1997 the Golden Cockerel trophy was transferred from Canberra to the new Oriana while both ships were docked at Cannes , France . Canberra was withdrawn from P&O service on 30 September 1997 and sold to ship breakers for scrapping on 10 October 1997, leaving for Gadani ship-breaking yard , Pakistan on 31 October 1997. Her deep draft meant that she could not be beached as far as most ships, and due to her solid construction
4800-529: 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
4960-505: 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
SS Canberra - Misplaced Pages Continue
5120-435: A simple mechanical injection system since exact injection timing is not as critical. Most modern automotive engines are DI which have the benefits of greater efficiency and easier starting; however, IDI engines can still be found in the many ATV and small diesel applications. Indirect injected diesel engines use pintle-type fuel injectors. Early diesel engines injected fuel with the assistance of compressed air, which atomised
5280-533: A single orifice injector. The pre-chamber has the disadvantage of lowering efficiency due to increased heat loss to the engine's cooling system, restricting the combustion burn, thus reducing the efficiency by 5–10%. IDI engines are also more difficult to start and usually require the use of glow plugs. IDI engines may be cheaper to build but generally require a higher compression ratio than the DI counterpart. IDI also makes it easier to produce smooth, quieter running engines with
5440-527: A single speed for long periods. Two-stroke engines use a combustion cycle which is completed in two strokes instead of four strokes. Filling the cylinder with air and compressing it takes place in one stroke, and the power and exhaust strokes are combined. The compression in a two-stroke diesel engine is similar to the compression that takes place in a four-stroke diesel engine: As the piston passes through bottom centre and starts upward, compression commences, culminating in fuel injection and ignition. Instead of
5600-426: A small chamber called a swirl chamber, precombustion chamber, pre chamber or ante-chamber, which is connected to the cylinder by a narrow air passage. Generally the goal of the pre chamber is to create increased turbulence for better air / fuel mixing. This system also allows for a smoother, quieter running engine, and because fuel mixing is assisted by turbulence, injector pressures can be lower. Most IDI systems use
5760-516: A source of radio frequency emissions (which can interfere with navigation and communication equipment), which is why only diesel-powered vehicles are allowed in some parts of the American National Radio Quiet Zone . To control the torque output at any given time (i.e. when the driver of a car adjusts the accelerator pedal ), a governor adjusts the amount of fuel injected into the engine. Mechanical governors have been used in
5920-400: A spark plug ( compression ignition rather than spark ignition ). In the diesel engine, only air is initially introduced into the combustion chamber. The air is then compressed with a compression ratio typically between 15:1 and 23:1. This high compression causes the temperature of the air to rise. At about the top of the compression stroke, fuel is injected directly into the compressed air in
6080-516: 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
6240-514: A speed of about 27.25 knots (50.47 km/h). She also had a bow propeller for manoeuvring in port and docking manoeuvres. She was also the first British passenger liner to use alternating current as power. There are several operational and economical advantages to such electrical de-coupling of a ship's propulsion system, and it became a standard element of cruise ship design in the 1990s, over 30 years after Canberra entered service. However, diesel engine - and gas turbine -driven alternators are
6400-552: 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
6560-467: 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
SS Canberra - Misplaced Pages Continue
6720-417: A swirl chamber or pre-chamber are called indirect injection (IDI) engines. Most direct injection diesel engines have a combustion cup in the top of the piston where the fuel is sprayed. Many different methods of injection can be used. Usually, an engine with helix-controlled mechanic direct injection has either an inline or a distributor injection pump. For each engine cylinder, the corresponding plunger in
6880-452: 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
7040-422: A two-stroke ship diesel engine has a single-stage turbocharger with a turbine that has an axial inflow and a radial outflow. In general, there are three types of scavenging possible: Crossflow scavenging is incomplete and limits the stroke, yet some manufacturers used it. Reverse flow scavenging is a very simple way of scavenging, and it was popular amongst manufacturers until the early 1980s. Uniflow scavenging
7200-461: Is a combustion engine that is more efficient than a diesel engine, but due to its mass and dimensions, is unsuitable for many vehicles, including watercraft and some aircraft . The world's largest diesel engines put in service are 14-cylinder, two-stroke marine diesel engines; they produce a peak power of almost 100 MW each. Diesel engines may be designed with either two-stroke or four-stroke combustion cycles . They were originally used as
7360-423: Is a simplified and idealised representation of the events involved in a diesel engine cycle, arranged to illustrate the similarity with a Carnot cycle . Starting at 1, the piston is at bottom dead centre and both valves are closed at the start of the compression stroke; the cylinder contains air at atmospheric pressure. Between 1 and 2 the air is compressed adiabatically – that is without heat transfer to or from
7520-431: Is also avoided compared with non-direct-injection gasoline engines, as unburned fuel is not present during valve overlap, and therefore no fuel goes directly from the intake/injection to the exhaust. Low-speed diesel engines (as used in ships and other applications where overall engine weight is relatively unimportant) can reach effective efficiencies of up to 55%. The combined cycle gas turbine (Brayton and Rankine cycle)
7680-403: Is approximately 5 MW. Medium-speed engines are used in large electrical generators, railway diesel locomotives , ship propulsion and mechanical drive applications such as large compressors or pumps. Medium speed diesel engines operate on either diesel fuel or heavy fuel oil by direct injection in the same manner as low-speed engines. Usually, they are four-stroke engines with trunk pistons;
7840-429: Is called scavenging . The pressure required is approximately 10-30 kPa. Due to the lack of discrete exhaust and intake strokes, all two-stroke diesel engines use a scavenge blower or some form of compressor to charge the cylinders with air and assist in scavenging. Roots-type superchargers were used for ship engines until the mid-1950s, however since 1955 they have been widely replaced by turbochargers. Usually,
8000-492: Is controlled by manipulating the air-fuel ratio (λ) ; instead of throttling the intake air, the diesel engine relies on altering the amount of fuel that is injected, and thus the air-fuel ratio is usually high. The diesel engine has the highest thermal efficiency (see engine efficiency ) of any practical internal or external combustion engine due to its very high expansion ratio and inherent lean burn, which enables heat dissipation by excess air. A small efficiency loss
8160-404: Is done on the system to which the engine is connected. During this expansion phase the volume of the gas rises, and its temperature and pressure both fall. At 4 the exhaust valve opens, and the pressure falls abruptly to atmospheric (approximately). This is unresisted expansion and no useful work is done by it. Ideally the adiabatic expansion should continue, extending the line 3–4 to the right until
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#17328582425558320-481: 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
8480-413: Is inducted into the chamber during the intake stroke, and compressed during the compression stroke. This increases air temperature inside the cylinder so that atomised diesel fuel injected into the combustion chamber ignites. With the fuel being injected into the air just before combustion, the dispersion of fuel is uneven; this is called a heterogeneous air-fuel mixture. The torque a diesel engine produces
8640-464: Is more complicated to make but allows the highest fuel efficiency; since the early 1980s, manufacturers such as MAN and Sulzer have switched to this system. It is standard for modern marine two-stroke diesel engines. So-called dual-fuel diesel engines or gas diesel engines burn two different types of fuel simultaneously , for instance, a gaseous fuel and diesel engine fuel. The diesel engine fuel auto-ignites due to compression ignition, and then ignites
8800-781: The Argentinian military junta declared possession of the Islas Malvinas and invaded the British Falkland Islands . At the time, Canberra was cruising in the Mediterranean . The next day, her captain Dennis Scott-Masson received a message asking his time of arrival at Gibraltar , which was not on his itinerary. When he called at Gibraltar, he learnt that the Ministry of Defence (MoD) had requisitioned Canberra for use as
8960-612: 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
9120-508: 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
9280-556: The Chantiers de l'Atlantique shipyard, which has built ships including RMS Queen Mary 2 . France also had major shipyards on the shores of the Mediterranean Sea . Diesel engine The diesel engine , named after the German engineer Rudolf Diesel , is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression ; thus,
9440-504: The EU average for diesel cars at the time accounted for half of newly registered cars. However, air pollution and overall emissions are more difficult to control in diesel engines compared to gasoline engines, and the use of diesel auto engines in the U.S. is now largely relegated to larger on-road and off-road vehicles . Though aviation has traditionally avoided using diesel engines, aircraft diesel engines have become increasingly available in
9600-529: 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
9760-511: 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
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#17328582425559920-534: 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
10080-613: The Tilbury – Brisbane route, Canberra had turbo-electric transmission . Instead of being mechanically coupled to her propeller shafts, Canberra ' s steam turbines drove large electric alternators that provided current for electric motors that, in turn, drove the vessel's twin propellers. They were the most powerful steam turbo-electric units ever installed in a passenger ship; at 42,500 hp (31,700 kW) per shaft, they surpassed SS Normandie 's 40,000 hp (30,000 kW) on each of her four shafts. This would give her
10240-565: 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
10400-638: The United Kingdom , and the United States for "Method of and Apparatus for Converting Heat into Work". In 1894 and 1895, he filed patents and addenda in various countries for his engine; the first patents were issued in Spain (No. 16,654), France (No. 243,531) and Belgium (No. 113,139) in December 1894, and in Germany (No. 86,633) in 1895 and the United States (No. 608,845) in 1898. Diesel
10560-585: 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
10720-429: The 1982 Falklands War she served as a troopship . In 1997 the singer and songwriter Gerard Kenny released the single "Farewell Canberra" which was specially composed for the last voyage. P&O commissioned Canberra to operate the combined P&O– Orient Line service between the United Kingdom and Australasia and designed her to carry 548 first-class passengers and 1,650 tourist class. Too big for Tilbury she
10880-416: The 21st century. Since the late 1990s, for various reasons—including the diesel's inherent advantages over gasoline engines, but also for recent issues peculiar to aviation—development and production of diesel engines for aircraft has surged, with over 5,000 such engines delivered worldwide between 2002 and 2018, particularly for light airplanes and unmanned aerial vehicles . In 1878, Rudolf Diesel , who
11040-717: 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
11200-597: 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
11360-460: 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
11520-512: 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
11680-471: 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
11840-450: The Carnot cycle. Diesel was also introduced to a fire piston , a traditional fire starter using rapid adiabatic compression principles which Linde had acquired from Southeast Asia . After several years of working on his ideas, Diesel published them in 1893 in the essay Theory and Construction of a Rational Heat Motor . Diesel was heavily criticised for his essay, but only a few found
12000-633: 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
12160-576: 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
12320-525: 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
12480-530: 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
12640-438: 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
12800-400: The amount of fuel injected into the engine. Due to the amount of air being constant (for a given RPM) while the amount of fuel varies, very high ("lean") air-fuel ratios are used in situations where minimal torque output is required. This differs from a petrol engine, where a throttle is used to also reduce the amount of intake air as part of regulating the engine's torque output. Controlling
12960-581: The area, the Canberra Bar was demolished in the 1990s. Ocean liner An ocean liner 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
13120-470: The bore is smaller than the stroke. Low-speed diesel engines (as used in ships and other applications where overall engine weight is relatively unimportant) often have an effective efficiency of up to 55%. Like medium-speed engines, low-speed engines are started with compressed air, and they use heavy oil as their primary fuel. Four-stroke engines use the combustion cycle described earlier. Most smaller diesels, for vehicular use, for instance, typically use
13280-438: 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
13440-579: 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
13600-448: The combustion chamber, the droplets continue to vaporise from their surfaces and burn, getting smaller, until all the fuel in the droplets has been burnt. Combustion occurs at a substantially constant pressure during the initial part of the power stroke. The start of vaporisation causes a delay before ignition and the characteristic diesel knocking sound as the vapour reaches ignition temperature and causes an abrupt increase in pressure above
13760-418: The combustion chamber. This may be into a (typically toroidal ) void in the top of the piston or a pre-chamber depending upon the design of the engine. The fuel injector ensures that the fuel is broken down into small droplets, and that the fuel is distributed evenly. The heat of the compressed air vaporises fuel from the surface of the droplets. The vapour is then ignited by the heat from the compressed air in
13920-515: 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
14080-425: The compressed gas. Combustion and heating occur between 2 and 3. In this interval the pressure remains constant since the piston descends, and the volume increases; the temperature rises as a consequence of the energy of combustion. At 3 fuel injection and combustion are complete, and the cylinder contains gas at a higher temperature than at 2. Between 3 and 4 this hot gas expands, again approximately adiabatically. Work
14240-452: The compression ratio in a spark-ignition engine where fuel and air are mixed before entry to the cylinder is limited by the need to prevent pre-ignition , which would cause engine damage. Since only air is compressed in a diesel engine, and fuel is not introduced into the cylinder until shortly before top dead centre ( TDC ), premature detonation is not a problem and compression ratios are much higher. The pressure–volume diagram (pV) diagram
14400-473: The compression required for his cycle: By June 1893, Diesel had realised his original cycle would not work, and he adopted the constant pressure cycle. Diesel describes the cycle in his 1895 patent application. Notice that there is no longer a mention of compression temperatures exceeding the temperature of combustion. Now it is simply stated that the compression must be sufficient to trigger ignition. In 1892, Diesel received patents in Germany , Switzerland ,
14560-416: The concept of air-blast injection from George B. Brayton , albeit that Diesel substantially improved the system. On 17 February 1894, the redesigned engine ran for 88 revolutions – one minute; with this news, Maschinenfabrik Augsburg's stock rose by 30%, indicative of the tremendous anticipated demands for a more efficient engine. On 26 June 1895, the engine achieved an effective efficiency of 16.6% and had
14720-471: 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
14880-567: 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
15040-420: 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
15200-424: The cost of smaller ships and increases their transport capacity. In addition to that, a single ship can use two smaller engines instead of one big engine, which increases the ship's safety. Low-speed diesel engines are usually very large in size and mostly used to power ships . There are two different types of low-speed engines that are commonly used: Two-stroke engines with a crosshead, and four-stroke engines with
15360-409: 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)
15520-417: 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
15680-598: The diesel engine is Diesel's "very own work" and that any "Diesel myth" is " falsification of history ". Diesel sought out firms and factories that would build his engine. With the help of Moritz Schröter and Max Gutermuth [ de ] , he succeeded in convincing both Krupp in Essen and the Maschinenfabrik Augsburg . Contracts were signed in April 1893, and in early summer 1893, Diesel's first prototype engine
15840-449: The diesel engine is called a compression-ignition engine (CI engine). This contrasts with engines using spark plug -ignition of the air-fuel mixture, such as a petrol engine ( gasoline engine) or a gas engine (using a gaseous fuel like natural gas or liquefied petroleum gas ). Diesel engines work by compressing only air, or air combined with residual combustion gases from the exhaust (known as exhaust gas recirculation , "EGR"). Air
16000-409: 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
16160-417: The efficiency is much lower, with efficiencies of up to 43% for passenger car engines, up to 45% for large truck and bus engines, and up to 55% for large two-stroke marine engines. The average efficiency over a motor vehicle driving cycle is lower than the diesel engine's peak efficiency (for example, a 37% average efficiency for an engine with a peak efficiency of 44%). That is because the fuel efficiency of
16320-408: The environment – by the rising piston. (This is only approximately true since there will be some heat exchange with the cylinder walls .) During this compression, the volume is reduced, the pressure and temperature both rise. At or slightly before 2 (TDC) fuel is injected and burns in the compressed hot air. Chemical energy is released and this constitutes an injection of thermal energy (heat) into
16480-403: 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
16640-553: The first P&O ship. In 1961, while still a student at the Royal College in London, the now famous British artist David Hockney (born 1937) was commissioned to create a mural for the ‘Pop Inn’, a special lounge for teenagers onboard. Hockney graffitied and drew on the walls for five days and the fee earned assisted him to travel to New York for the first time. Like RMS Strathnaver and RMS Strathaird that she replaced on
16800-546: 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
16960-557: 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
17120-463: The four-stroke cycle. This is due to several factors, such as the two-stroke design's narrow powerband which is not particularly suitable for automotive use and the necessity for complicated and expensive built-in lubrication systems and scavenging measures. The cost effectiveness (and proportion of added weight) of these technologies has less of an impact on larger, more expensive engines, while engines intended for shipping or stationary use can be run at
17280-612: The fuel and forced it into the engine through a nozzle (a similar principle to an aerosol spray). The nozzle opening was closed by a pin valve actuated by the camshaft . Although the engine was also required to drive an air compressor used for air-blast injection, the efficiency was nonetheless better than other combustion engines of the time. However the system was heavy and it was slow to react to changing torque demands, making it unsuitable for road vehicles. A unit injector system, also known as "Pumpe-Düse" ( pump-nozzle in German) combines
17440-697: The fuel injection transformed the direct injection engine by allowing much greater control over the combustion. Common rail (CR) direct injection systems do not have the fuel metering, pressure-raising and delivery functions in a single unit, as in the case of a Bosch distributor-type pump, for example. A high-pressure pump supplies the CR. The requirements of each cylinder injector are supplied from this common high pressure reservoir of fuel. An Electronic Diesel Control (EDC) controls both rail pressure and injections depending on engine operating conditions. The injectors of older CR systems have solenoid -driven plungers for lifting
17600-405: The fuel pump measures out the correct amount of fuel and determines the timing of each injection. These engines use injectors that are very precise spring-loaded valves that open and close at a specific fuel pressure. Separate high-pressure fuel lines connect the fuel pump with each cylinder. Fuel volume for each single combustion is controlled by a slanted groove in the plunger which rotates only
17760-461: The gaseous fuel. Such engines do not require any type of spark ignition and operate similar to regular diesel engines. The fuel is injected at high pressure into either the combustion chamber , "swirl chamber" or "pre-chamber," unlike petrol engines where the fuel is often added in the inlet manifold or carburetor . Engines where the fuel is injected into the main combustion chamber are called direct injection (DI) engines, while those which use
17920-419: The injection needle, whilst newer CR injectors use plungers driven by piezoelectric actuators that have less moving mass and therefore allow even more injections in a very short period of time. Early common rail system were controlled by mechanical means. The injection pressure of modern CR systems ranges from 140 MPa to 270 MPa. An indirect diesel injection system (IDI) engine delivers fuel into
18080-553: The injector and fuel pump into a single component, which is positioned above each cylinder. This eliminates the high-pressure fuel lines and achieves a more consistent injection. Under full load, the injection pressure can reach up to 220 MPa. Unit injectors are operated by a cam and the quantity of fuel injected is controlled either mechanically (by a rack or lever) or electronically. Due to increased performance requirements, unit injectors have been largely replaced by common rail injection systems. The average diesel engine has
18240-513: The landings by British forces to retake the islands. Although her size and white colour made her an unmissable target for the Argentine Air Force , Canberra , if sunk, would not have been completely submerged in the shallow waters at San Carlos. However, the liner was not badly hit in the landings as the Argentine pilots tended to attack the warships instead of the supply and troop ships. After
18400-565: 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 :
18560-399: 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
18720-521: 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
18880-438: 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
19040-476: The mistake that he made; his rational heat motor was supposed to utilise a constant temperature cycle (with isothermal compression) that would require a much higher level of compression than that needed for compression ignition. Diesel's idea was to compress the air so tightly that the temperature of the air would exceed that of combustion. However, such an engine could never perform any usable work. In his 1892 US patent (granted in 1895) #542846, Diesel describes
19200-402: The new 1997 SOLAS regulations would have been very expensive, P&O opted to retire the old vessel. On 25 June 1996 P&O Cruises announced that the Canberra would be retired at the end of 1997. Although Premier Cruise Line had made a bid for the old ship, P&O had already decided that they did not want Canberra to operate under a different flag and refused to sell her to Premier (as
19360-570: 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
19520-538: 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
19680-403: 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
19840-606: 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
20000-534: The past, however electronic governors are more common on modern engines. Mechanical governors are usually driven by the engine's accessory belt or a gear-drive system and use a combination of springs and weights to control fuel delivery relative to both load and speed. Electronically governed engines use an electronic control unit (ECU) or electronic control module (ECM) to control the fuel delivery. The ECM/ECU uses various sensors (such as engine speed signal, intake manifold pressure and fuel temperature) to determine
20160-477: The piston (not shown on the P-V indicator diagram). When combustion is complete the combustion gases expand as the piston descends further; the high pressure in the cylinder drives the piston downward, supplying power to the crankshaft. As well as the high level of compression allowing combustion to take place without a separate ignition system, a high compression ratio greatly increases the engine's efficiency. Increasing
20320-403: The piston-cylinder combination between 2 and 4. The difference between these two increments of work is the indicated work output per cycle, and is represented by the area enclosed by the pV loop. The adiabatic expansion is in a higher pressure range than that of the compression because the gas in the cylinder is hotter during expansion than during compression. It is for this reason that the loop has
20480-417: The pollutants can be removed from the exhaust gas using exhaust gas treatment technology. Road vehicle diesel engines have no sulfur dioxide emissions, because motor vehicle diesel fuel has been sulfur-free since 2003. Helmut Tschöke argues that particulate matter emitted from motor vehicles has negative impacts on human health. The particulate matter in diesel exhaust emissions is sometimes classified as
20640-465: 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
20800-408: The pressure falls to that of the surrounding air, but the loss of efficiency caused by this unresisted expansion is justified by the practical difficulties involved in recovering it (the engine would have to be much larger). After the opening of the exhaust valve, the exhaust stroke follows, but this (and the following induction stroke) are not shown on the diagram. If shown, they would be represented by
20960-561: The primary power source for most modern electrically propelled ships. Canberra had a bulbous bow, two sets of stabilizers, and two funnels side-by-side. The lifeboats, which were made from glass fibre, were placed three decks lower than usual for ships of her type, and were recessed into the hull to allow improved view from the passenger decks. The iconic spiral staircase and entrance halls in Australian walnut were designed by Hugh Casson and created by H.H. Martyn & Co. On 2 April 1982,
21120-455: 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
21280-527: 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
21440-521: The scrapping process took nearly a year instead of the estimated three months, being totally scrapped by the end of 1998. A bar, known as the "Canberra Bar", was located at the corner of Scrabo Street and Station Street, in Queen's Quay, Belfast. It served the nearby shipyard workers and dockers from the coal quay. A large glass mural picturing the SS Canberra was located behind the bar. Due to redevelopments in
21600-427: 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
21760-665: 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
21920-539: The test bench. In the January 1896 report, this was considered a success. In February 1896, Diesel considered supercharging the third prototype. Imanuel Lauster , who was ordered to draw the third prototype " Motor 250/400 ", had finished the drawings by 30 April 1896. During summer that year the engine was built, it was completed on 6 October 1896. Tests were conducted until early 1897. First public tests began on 1 February 1897. Moritz Schröter 's test on 17 February 1897
22080-463: 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
22240-549: The time the Canberra was laid down and air travel prices fell relentlessly in the early 1960s to challenge P&O's lowest fares. In the second half of 1962 Canberra made a short cruise from Southampton followed by two more to New York. More cruises followed but nevertheless most of the ship's first decade was spent on the Australia run. At the end of 1972 she was withdrawn and refitted to carry 1,500 single-class passengers on cruises. Unusually, this transition from an early life as
22400-890: The timing of the start of injection of fuel into the cylinder is similar to controlling the ignition timing in a petrol engine. It is therefore a key factor in controlling the power output, fuel consumption and exhaust emissions. There are several different ways of categorising diesel engines, as outlined in the following sections. Günter Mau categorises diesel engines by their rotational speeds into three groups: High-speed engines are used to power trucks (lorries), buses , tractors , cars , yachts , compressors , pumps and small electrical generators . As of 2018, most high-speed engines have direct injection . Many modern engines, particularly in on-highway applications, have common rail direct injection . On bigger ships, high-speed diesel engines are often used for powering electric generators. The highest power output of high-speed diesel engines
22560-454: 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
22720-488: 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
22880-399: The war, Argentine pilots said they were told not to hit Canberra , as they mistook her for a hospital ship . Hospital ships must be painted white, as Canberra always had been, but must also fly a Red Cross flag . Canberra then sailed to South Georgia , where 3,000 troops were transferred from Queen Elizabeth 2 . They were landed at San Carlos on 2 June. When the war ended, Canberra
23040-524: Was a student at the "Polytechnikum" in Munich , attended the lectures of Carl von Linde . Linde explained that steam engines are capable of converting just 6–10% of the heat energy into work, but that the Carnot cycle allows conversion of much more of the heat energy into work by means of isothermal change in condition. According to Diesel, this ignited the idea of creating a highly efficient engine that could work on
23200-488: Was attacked and criticised over several years. Critics claimed that Diesel never invented a new motor and that the invention of the diesel engine is fraud. Otto Köhler and Emil Capitaine [ de ] were two of the most prominent critics of Diesel's time. Köhler had published an essay in 1887, in which he describes an engine similar to the engine Diesel describes in his 1893 essay. Köhler figured that such an engine could not perform any work. Emil Capitaine had built
23360-486: Was based at Southampton . Her first voyage set out on 2 June 1961 through the Suez Canal and called at Colombo, Fremantle, Melbourne, Sydney, Auckland, Suva, Honolulu, San Francisco and Los Angeles returning to Southampton by the same ports. By mid-1963 she had spent many months in dry dock in Southampton and in the builder's yard for repairs to her electrical and mechanical systems. The era of mass air travel had begun by
23520-664: 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
23680-472: Was built in Augsburg . On 10 August 1893, the first ignition took place, the fuel used was petrol. In winter 1893/1894, Diesel redesigned the existing engine, and by 18 January 1894, his mechanics had converted it into the second prototype. During January that year, an air-blast injection system was added to the engine's cylinder head and tested. Friedrich Sass argues that, it can be presumed that Diesel copied
23840-435: 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
24000-545: 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
24160-402: 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
24320-541: 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
24480-658: 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:
24640-600: 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
24800-546: 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
24960-605: 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
25120-400: 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
25280-424: Was the main test of Diesel's engine. The engine was rated 13.1 kW with a specific fuel consumption of 324 g·kW ·h , resulting in an effective efficiency of 26.2%. By 1898, Diesel had become a millionaire. The characteristics of a diesel engine are The diesel internal combustion engine differs from the gasoline powered Otto cycle by using highly compressed hot air to ignite the fuel rather than using
25440-551: Was used as a cartel to repatriate captured Argentine soldiers, landing them at Puerto Madryn , before returning to Southampton to a rapturous welcome on 11 July. Captain Scott-Masson, who had started his apprenticeship on the Shaw, Savill & Albion Line troopship Empire Deben in the late 1940s, was awarded a CBE and made an aide-de-camp to Queen Elizabeth II . After a lengthy refit, Canberra returned to civilian service as
25600-707: 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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