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Italian Submarine Archimede (1939)
''Archimede'' was a built for the Royal Italian Navy (''Regia Marina'') during the 1930s. Design and description The ''Brin''-class submarines were improved versions of the preceding . Two boats were replacements for submarines of that class that were secretly transferred to the Nationalists during the Spanish Civil War in 1937. They displaced surfaced and submerged. The submarines were long, had a beam of and a draft of . The class was partially double hulled.Chesneau, p. 309 For surface running, the boats were powered by two diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a electric motor. They could reach on the surface and underwater. On the surface, the ''Brin'' class had a range of at , submerged, they had a range of at .Bagnasco, p. 154 The boats were armed with eight internal torpedo tubes, four each in the bow and stern. They carried a total of 14 torpedoes. They were also armed with one deck gun for co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kingdom Of Italy
The Kingdom of Italy ( it, Regno d'Italia) was a state that existed from 1861, when Victor Emmanuel II of Kingdom of Sardinia, Sardinia was proclamation of the Kingdom of Italy, proclaimed King of Italy, until 1946, when civil discontent led to an 1946 Italian institutional referendum, institutional referendum to abandon the monarchy and form the modern Italy, Italian Republic. The state resulted from a decades-long process, the ''Italian unification, Risorgimento'', of consolidating the different states of the Italian Peninsula into a single state. That process was influenced by the House of Savoy, Savoy-led Kingdom of Sardinia, which can be considered Italy's legal Succession of states, predecessor state. Italy Third Italian War of Independence, declared war on Austrian Empire, Austria in alliance with Kingdom of Prussia, Prussia in 1866 and received the region of Veneto following their victory. Italian troops Capture of Rome, entered Rome in 1870, ending Papal States, more tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beam (nautical)
The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull, and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water. Generally speaking, the wider the beam of a ship (or boat), the more initial stability it has, at the expense of secondary stability in the event of a capsize, where more energy is required to right the vessel from its inverted position. A ship that heels on her ''beam ends'' has her deck beams nearly vertical. Typical values Typical length-to-beam ratios ( aspect ratios) for small sailboats are from 2:1 (dinghies to trailerable sailboats around ) to 5:1 (racing sailboats over ). Large ships have widely varying beam ratios, some as large as 20:1. Rowing shells designed for flatwater racing may have length to beam ratios as high as 30:1, while a cor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port Sudan
Port Sudan ( ar, بور سودان, Būr Sūdān) is a port city in eastern Sudan, and the capital of the state of Red Sea. , it has 489,725 residents. Located on the Red Sea, Port Sudan is recognized as Sudan's main seaport and the source of 90% of the country's international trade. History Port Sudan was built between 1905 and 1909 by the administration of Anglo-Egyptian Sudan to replace Suakin. An oil pipeline was built between the port and Khartoum in 1977. In 2009, Israel allegedly used naval commandos to attack Iranian arms ships at Port Sudan as part of Operation Birds of Prey. In 2020, Russian president Vladimir Putin announced that the Russian Navy would begin construction on a base with capacity for 300 personnel and four warships in Port Sudan. The facility would prove Russia with a naval base in the nation for at least 25 years. The plan was ultimately suspended, though Sudanese leadership indicated that it is possible for the construction to go forward in the fu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asmara
Asmara ( ), or Asmera, is the capital and most populous city of Eritrea, in the country's Central Region. It sits at an elevation of , making it the sixth highest capital in the world by altitude and the second highest capital in Africa. The city is located at the tip of an escarpment that is both the northwestern edge of the Eritrean Highlands and the Great Rift Valley in neighbouring Ethiopia. In 2017, the city was declared as a UNESCO World Heritage Site for its well-preserved modernist architecture. The site of Asmera was first settled in 800 BC with a population ranging from 100 to 1,000. The city was then founded in the 12th century AD after four separate villages unified to live together peacefully after long periods of conflict. Under Italian rule the city of Asmara was made capital of Eritrea in the last years of the 19th century. History Giving the Pre-Axumite archaeological evidence found in Asmara around Sembel Called the Ona culture, Asmara's history go back to 8 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Assab
Assab or Aseb (, ) is a port city in the Southern Red Sea Region of Eritrea. It is situated on the west coast of the Red Sea. Languages spoken in Assab are predominantly Afar, Tigrinya, and Arabic. Assab is known for its large market, beaches and nightlife. History Assab is about 50 km NW of the ancient city of Arsinoe Epidires. On 15 November 1869 the port of Assab was bought by the Rubattino Shipping Company of Italy from the local Sultan. After the Italian government took over control of the port on 5 July 1882 it laid the foundations for the formation of the colony of Italian Eritrea, which became the independent country of Eritrea following its independence from the Transitional Government of Ethiopia in the 1990s. Construction of an oil refinery began in 1964 and it opened in 1967. By 1989, Assab had a population of 39,600 inhabitants. The port facilities were greatly expanded in the early 1990s, with the construction of a new terminal. The oil refinery was shut ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port Said
Port Said ( ar, بورسعيد, Būrsaʿīd, ; grc, Πηλούσιον, Pēlousion) is a city that lies in northeast Egypt extending about along the coast of the Mediterranean Sea, north of the Suez Canal. With an approximate population of 603,787 (2010), it is the List of cities and towns in Egypt, fifth-largest city in Egypt. The city was established in 1859 during the building of the Suez Canal. There are numerous old houses with grand balconies on all floors, giving the city a distinctive look. Port Said's twin city is Port Fuad, which lies on the eastern bank of the Suez Canal. The two cities coexist, to the extent that there is hardly any town centre in Port Fuad. The cities are connected by free Ferry, ferries running all through the day, and together they form a metropolitan area with over a million residents that extends both on the African and the Asian sides of the Suez Canal. The only other metropolitan area in the world that also spans two continents is Istanbul. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tobruk
Tobruk or Tobruck (; grc, Ἀντίπυργος, ''Antipyrgos''; la, Antipyrgus; it, Tobruch; ar, طبرق, Tubruq ''Ṭubruq''; also transliterated as ''Tobruch'' and ''Tubruk'') is a port city on Libya's eastern Mediterranean coast, near the border with Egypt. It is the capital of the Butnan District (formerly Tobruk District) and has a population of 120,000 (2011 est.)."Tobruk" (history), ''Encyclopædia Britannica'', 2006, Britannica Concise Encyclopedia, ''Concise.Britannica.com'BC-Tobruk. Tobruk was the site of an ancient Greek colony and, later, of a Roman fortress guarding the frontier of Cyrenaica. Over the centuries, Tobruk also served as a waystation along the coastal caravan route. By 1911, Tobruk had become an Italian military post, but during World War II, Allied forces, mainly the Australian 6th Division, took Tobruk on 22 January 1941. The Australian 9th Division ("The Rats of Tobruk") pulled back to Tobruk to avoid encirclement after actions at Er Regima a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Massawa
Massawa ( ; ti, ምጽዋዕ, məṣṣəwaʿ; gez, ምጽዋ; ar, مصوع; it, Massaua; pt, Maçuá) is a port city in the Northern Red Sea region of Eritrea, located on the Red Sea at the northern end of the Gulf of Zula beside the Dahlak Archipelago.Matt Phillips, Jean-Bernard Carillet, ''Lonely Planet Ethiopia and Eritrea'', (Lonely Planet: 2006), p.340. It has been a historically important port for many centuries. Massawa was the capital of the Italian Colony of Eritrea until the seat of the colonial government was moved to Asmara in 1897. Massawa has an average temperature of nearly , which is one of the highest experienced in the world, and is "one of the hottest marine coastal areas in the world." History Massawa was originally a small seaside village, lying in lands coextensive with the Kingdom of Axum—also known as Kingdom of Zula in antiquity—and overshadowed by the nearby port of Adulis about to the south. Massawa has been ruled or occupied by a successi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Red Sea
The Red Sea ( ar, البحر الأحمر - بحر القلزم, translit=Modern: al-Baḥr al-ʾAḥmar, Medieval: Baḥr al-Qulzum; or ; Coptic: ⲫⲓⲟⲙ ⲛ̀ϩⲁϩ ''Phiom Enhah'' or ⲫⲓⲟⲙ ⲛ̀ϣⲁⲣⲓ ''Phiom ǹšari''; Tigrinya: ቀይሕ ባሕሪ ''Qeyih Bahri''; ) is a seawater inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab el Mandeb strait and the Gulf of Aden. To its north lie the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez (leading to the Suez Canal). It is underlain by the Red Sea Rift, which is part of the Great Rift Valley. The Red Sea has a surface area of roughly 438,000 km2 (169,100 mi2), is about 2250 km (1398 mi) long, and — at its widest point — 355 km (220.6 mi) wide. It has an average depth of 490 m (1,608 ft), and in the central ''Suakin Trough'' it reaches its maximum depth of . The Red Sea also has exten ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ship Naming And Launching
Ceremonial ship launching involves the performance of ceremonies associated with the process of transferring a vessel to the water. It is a nautical tradition in many cultures, dating back thousands of years, to accompany the physical process with ceremonies which have been observed as public celebration and a solemn blessing, usually but not always, in association with the launch itself. Ship launching imposes stresses on the ship not met during normal operation and, in addition to the size and weight of the vessel, represents a considerable engineering challenge as well as a public spectacle. The process also involves many traditions intended to invite good luck, such as christening by breaking a sacrificial bottle of champagne over the bow as the ship is named aloud and launched. Methods There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching". The oldest, most familiar, and most widely used is th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conning Tower
A conning tower is a raised platform on a ship or submarine, often armored, from which an officer in charge can conn the vessel, controlling movements of the ship by giving orders to those responsible for the ship's engine, rudder, lines, and ground tackle. It is usually located as high on the ship as practical, to give the conning team good visibility of the entirety of the ship, ocean conditions, and other vessels. The naval term "conn" may derive from the Middle English ''conne'' (study, become acquainted with) or French ''conduire'' from Latin ''conducere'' (conduct). Surface ships On surface ships, the conning tower was a feature of all battleships and armored cruisers from about 1860 to the early years of World War II. Located at the front end of the superstructure, the conning tower was a heavily armored cylinder, with tiny slit windows on three sides providing a reasonable field of view. Designed to shield just enough personnel and devices for navigation during battle ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Torpedo
A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, such a device was called an automotive, automobile, locomotive, or fish torpedo; colloquially a ''fish''. The term ''torpedo'' originally applied to a variety of devices, most of which would today be called naval mine, mines. From about 1900, ''torpedo'' has been used strictly to designate a self-propelled underwater explosive device. While the 19th-century battleship had evolved primarily with a view to engagements between armored warships with naval artillery, large-caliber guns, the invention and refinement of torpedoes from the 1860s onwards allowed small torpedo boats and other lighter surface combatant , surface vessels, submarines/submersibles, even improvised fishing boats or frogmen, and later light aircraft, to destroy large shi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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