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SS Principessa Jolanda (1907)
The SS ''Principessa Jolanda'' was an Italian transatlantic ocean liner built by Cantiere Navale di Riva Trigoso for the Navigazione Generale Italiana (NGI) shipping company. Named after Princess Yolanda of Savoy, the eldest daughter of King Victor Emmanuel III, the ship was intended for the NGI's South American service. At 9,210 tons and 141 m (463 ft) in length, she was the largest passenger ship built in Italy up to that time. Constructed at a cost of 6 million lire to designs by Erasmo Piaggio, the ''Principessa Jolanda'' has also been called the first true Italian luxury liner. She was among the first transatlantic vessels fitted with Marconi Wireless telegraphy, electric lighting throughout and telephones in each cabin. At 12:25 pm on 22 September 1907 the nearly completed ''Principessa Jolanda'' was launched before a large audience of onlookers, government officials and foreign journalists. After travelling down the slipway, the ship immediately became unstable ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Princess Yolanda Of Savoy
Princess Yolanda of Savoy (1 June 1901 – 16 October 1986) was the eldest daughter of King Victor Emmanuel III of Italy. Biography She was born Principessa Iolanda Margherita Milena Elisabetta Romana Maria di Savoia ( en, Princess Yolanda Margaret Milena Elizabeth Romaine Mary of Savoy) in Rome, Italy. As a young woman she was a great sportswoman, particularly interested in swimming and riding. During the Great War, newspapers published reports of her engagement to the Prince of Wales, the future Edward VIII, who was serving in Italy in 1918. There was no basis for these rumors, but they were resurrected in 1919 when Yolanda joined her mother Elena of Montenegro, sister Princess Mafalda of Savoy, and the Duchess of Aosta (Princess Hélène of Orléans) on a visit to Paris, where the prince happened to be at the same time. After her marriage Yolanda lived in the town of Pinerolo, southwest of Turin. In 1946, Yolanda and her family went into voluntary exile with her father i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marconi Wireless
Wireless telegraphy or radiotelegraphy is transmission of text messages by radio waves, analogous to electrical telegraphy using cables. Before about 1910, the term ''wireless telegraphy'' was also used for other experimental technologies for transmitting telegraph signals without wires. In radiotelegraphy, information is transmitted by pulses of radio waves of two different lengths called "dots" and "dashes", which spell out text messages, usually in Morse code. In a manual system, the sending operator taps on a switch called a telegraph key which turns the transmitter on and off, producing the pulses of radio waves. At the receiver the pulses are audible in the receiver's speaker as beeps, which are translated back to text by an operator who knows Morse code. Radiotelegraphy was the first means of radio communication. The first practical radio transmitters and receivers invented in 1894–1895 by Guglielmo Marconi used radiotelegraphy. It continued to be the only type of r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shipwrecks Of Italy
A shipwreck is the wreckage of a ship that is located either beached on land or sunken to the bottom of a body of water. Shipwrecking may be intentional or unintentional. Angela Croome reported in January 1999 that there were approximately three million shipwrecks worldwide (an estimate rapidly endorsed by UNESCO and other organizations). When a ship's crew has died or abandoned the ship, and the ship has remained adrift but unsunk, they are instead referred to as ghost ships. Types Historic wrecks are attractive to maritime archaeologists because they preserve historical information: for example, studying the wreck of revealed information about seafaring, warfare, and life in the 16th century. Military wrecks, caused by a skirmish at sea, are studied to find details about the historic event; they reveal much about the battle that occurred. Discoveries of treasure ships, often from the period of European colonisation, which sank in remote locations leaving few livin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fighting occurring throughout Europe, the Middle East, Africa, the Pacific, and parts of Asia. An estimated 9 million soldiers were killed in combat, plus another 23 million wounded, while 5 million civilians died as a result of military action, hunger, and disease. Millions more died in genocides within the Ottoman Empire and in the 1918 influenza pandemic, which was exacerbated by the movement of combatants during the war. Prior to 1914, the European great powers were divided between the Triple Entente (comprising France, Russia, and Britain) and the Triple Alliance (containing Germany, Austria-Hungary, and Italy). Tensions in the Balkans came to a head on 28 June 1914, following the assassination of Archduke Franz Ferdin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SS Principessa Mafalda
The SS ''Principessa Mafalda'' was an Italian transatlantic ocean liner built for the Navigazione Generale Italiana (NGI) company. Named after Princess Mafalda of Savoy, second daughter of King Victor Emmanuel III, the ship was completed and entered NGI's South American service between Genoa and Buenos Aires in 1909. Her sister ship had sunk immediately upon launching on 22 September 1907. On 25 October 1927, while off the coast of Brazil, a propeller shaft fractured and damaged the hull. The ship sank slowly in the presence of rescue vessels, but confusion and panic resulted in 314 fatalities out of the 1,252 passengers and crew on board the ship. The sinking resulted in the greatest loss of life in Italian shipping and the largest ever in the Southern Hemisphere in peacetime, with the ship that was called "the Italian Titanic". Early history ''Principessa Mafalda'' was built at Cantiere Navale di Riva Trigoso with her sister, the , which capsized and sank at her launch on 22 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Superstructure
A superstructure is an upward extension of an existing structure above a baseline. This term is applied to various kinds of physical structures such as buildings, bridges, or ships. Aboard ships and large boats On water craft, the superstructure consists of the parts of the ship or a boat, including sailboats, fishing boats, passenger ships, and submarines, that project above her main deck. This does not usually include its masts or any armament turrets. Note that in modern times, turrets do not always carry naval artillery, but they can also carry missile launchers and/or antisubmarine warfare weapons. The size of a watercraft's superstructure can have many implications in the performance of ships and boats, since these structures can alter their structural rigidity, their displacements, and/or stability. These can be detrimental to any vessel's performance if they are taken into consideration incorrectly. The height and the weight of superstructure on board a ship or a bo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Free Surface Effect
The free surface effect is a mechanism which can cause a watercraft to become unstable and capsize. It refers to the tendency of liquids — and of unbound aggregates of small solid objects, like seeds, gravel, or crushed ore, whose behavior approximates that of liquids — to move in response to changes in the attitude of a craft's cargo holds, decks, or liquid tanks in reaction to operator-induced motions (or sea states caused by waves and wind acting upon the craft). When referring to the free surface effect, the condition of a tank that is not full is described as a "slack tank", while a full tank is "pressed up". Stability and equilibrium In a normally loaded vessel any rolling from perpendicular is countered by a righting moment generated from the increased volume of water displaced by the hull on the lowered side. This assumes the center of gravity of the vessel is relatively constant. If a moving mass inside the vessel moves in the direction of the roll, this counters t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Center Of Gravity
In physics, the center of mass of a distribution of mass in space (sometimes referred to as the balance point) is the unique point where the weight function, weighted relative position (vector), position of the distributed mass sums to zero. This is the point to which a force may be applied to cause a linear acceleration without an angular acceleration. Calculations in mechanics are often simplified when formulated with respect to the center of mass. It is a hypothetical point where the entire mass of an object may be assumed to be concentrated to visualise its motion. In other words, the center of mass is the particle equivalent of a given object for application of Newton's laws of motion. In the case of a single rigid body, the center of mass is fixed in relation to the body, and if the body has uniform density, it will be located at the centroid. The center of mass may be located outside the physical body, as is sometimes the case for wikt:hollow, hollow or open-shaped object ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SS Milazzo
SS ''Milazzo'' was an Italian bulk carrier built in 1916 and sunk during World War I. When she entered service, ''Milazzo'' was reported as the largest collier and also the largest cargo ship in the world. She was designed with a unique railcar and elevator system that helped to automate the discharge of cargo. was her sister ship. ''Milazzo'', built for and operated by Navigazione Generale Italiana, sailed to New York on her maiden voyage in June 1916. In October, on her second eastbound voyage, the ship put in at the Azores with three of her cargo holds ablaze; her New York agent attributed the fires to sabotage. On 29 August 1917, ''Milazzo'' was sunk by the Austro-Hungarian Navy submarine under the command of Georg Ritter von Trapp, later more notable as the patriarch of the family featured in '' The Sound of Music''. Design and construction ''Milazzo'' was designed by Emilio Menada, a noted inventor of transporting machinery. In a 1916 feature on the ship, '' Popula ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shipwreck
A shipwreck is the wreckage of a ship that is located either beached on land or sunken to the bottom of a body of water. Shipwrecking may be intentional or unintentional. Angela Croome reported in January 1999 that there were approximately three million shipwrecks worldwide (an estimate rapidly endorsed by UNESCO and other organizations). When a ship's crew has died or abandoned the ship, and the ship has remained adrift but unsunk, they are instead referred to as ghost ships. Types Historic wrecks are attractive to maritime archaeologists because they preserve historical information: for example, studying the wreck of revealed information about seafaring, warfare, and life in the 16th century. Military wrecks, caused by a skirmish at sea, are studied to find details about the historic event; they reveal much about the battle that occurred. Discoveries of treasure ships, often from the period of European colonisation, which sank in remote locations leaving few livin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lifeboat (shipboard)
A lifeboat or liferaft is a small, rigid or inflatable boat carried for emergency evacuation in the event of a disaster aboard a ship. Lifeboat drills are required by law on larger commercial ships. Rafts (liferafts) are also used. In the military, a lifeboat may double as a whaleboat, dinghy, or gig. The ship's tenders of cruise ships often double as lifeboats. Recreational sailors usually carry inflatable liferafts, though a few prefer small proactive lifeboats that are harder to sink and can be sailed to safety. Inflatable lifeboats may be equipped with auto-inflation (carbon dioxide or nitrogen) canisters or mechanical pumps. A quick release and pressure release mechanism is fitted on ships so that the canister or pump automatically inflates the lifeboat, and the lifeboat breaks free of the sinking vessel. Commercial aircraft are also required to carry auto-inflating liferafts in case of an emergency water landing; offshore oil platforms also have liferafts. Ship-launche ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Capsizing
Capsizing or keeling over occurs when a boat or ship is rolled on its side or further by wave action, instability or wind force beyond the angle of positive static stability or it is upside down in the water. The act of recovering a vessel from a capsize is called righting. Capsize may result from broaching, , loss of stability due to cargo shifting or flooding, or in high speed boats, from turning too fast. If a capsized vessel has enough flotation to prevent sinking, it may recover on its own in changing conditions or through mechanical work if it is not stable inverted. Vessels of this design are called self-righting. Small vessels In dinghy sailing, a practical distinction can be made between being knocked down (to 90 degrees; on its beam-ends, figuratively) which is called a capsize, and being inverted, which is called being turtled. Small dinghies frequently capsize in the normal course of use and can usually be recovered by the crew. Some types of dinghy are occasi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
