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P 6-class Torpedo Boat
The P 6-class torpedo boat, Soviet designation Project 183 ''Bolshevik'', were Soviet wood-hulled motor torpedo boats produced shortly after World War II. They were armed with two twin 25 mm autocannons and two torpedoes. Design and development A large torpedo boat developed shortly after World War II, the Project 183 "Bolshevik" torpedo boats were influenced by the American-built Vosper, Elco, and Higgins motor torpedo boats delivered to the Soviet Union via Lend-lease. The development was carried out by the No.5 shipyard in Leningrad, and had a hull designed to be semi-planing with sharp lines, compared to the earlier full hydroplaning Soviet designs like the or Project 123-bis. The boat was made out of wood and powered by four M-50 diesel engines, and able to reach a maximum speed of . The ships were armed with two twin 25 mm autocannons with 2,000 rounds of ammunition, two 533 mm torpedo tubes, and eight depth charges. Additionally sea mines could be taken to rep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leningrad
Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), is the second-largest city in Russia. It is situated on the Neva River, at the head of the Gulf of Finland on the Baltic Sea, with a population of roughly 5.4 million residents. Saint Petersburg is the fourth-most populous city in Europe after Istanbul, Moscow and London, the most populous city on the Baltic Sea, and the world's northernmost city of more than 1 million residents. As Russia's Imperial capital, and a historically strategic port, it is governed as a federal city. The city was founded by Tsar Peter the Great on 27 May 1703 on the site of a captured Swedish fortress, and was named after apostle Saint Peter. In Russia, Saint Petersburg is historically and culturally associated with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydroplane (boat)
A hydroplane (or hydro, or ''thunderboat'') is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. A key aspect of hydroplanes is that they use the water they are on for lift rather than buoyancy, as well as for propulsion and steering: when travelling at high speed water is forced downwards by the bottom of the boat's hull. The water therefore exerts an equal and opposite force upwards, lifting the vast majority of the hull out of the water. This process, happening at the surface of the water, is known as ' foiling'. Hydroplane design Early designs of the 1920s were often built by amateurs, who employed the lightest materials available to them at the time, which were often glued timber boarding or plywood on the floor, plywood topsides, and varnished canvas decks. Most were about long and stepped hulls were employed with a step to induce air under the hull, to enable the boat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gas Turbine
A gas turbine, also called a combustion turbine, is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the direction of flow: * a rotating gas compressor * a combustor * a compressor-driving turbine. Additional components have to be added to the gas generator to suit its application. Common to all is an air inlet but with different configurations to suit the requirements of marine use, land use or flight at speeds varying from stationary to supersonic. A propelling nozzle is added to produce thrust for flight. An extra turbine is added to drive a propeller (turboprop) or ducted fan (turbofan) to reduce fuel consumption (by increasing propulsive efficiency) at subsonic flight speeds. An extra turbine is also required to drive a helicopter rotor or land-vehicle transmission (turboshaft), marine propeller or electrical generator (power turbine). Greater ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HMS Zealous (R39)
HMS ''Zealous'' was a Z-class destroyer of the Royal Navy built in 1944 by Cammell Laird. She served during the Second World War, participating in operations in the North Sea and off the Norwegian coast, before taking part in some of the Arctic convoys. She spent a further ten years in Royal Navy service after the end of the war, before being sold to the Israeli Navy, which operated her as INS ''Eilat''. She saw action during the Suez Crisis in 1956, attacking Egyptian ships and was still active by the outbreak of the Six-Day War in 1967. She was sunk several months after the conflict by missiles launched from several small Egyptian missile boats; this made her the first vessel to be sunk by a missile boat in wartime. It was an important milestone in naval surface warfare, which aroused considerable interest around the world in the development of small manoeuvrable missile boats. Design and construction The Z-class were War Emergency Programme destroyers, intended for general d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Six-Day War
The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab world, Arab states (primarily United Arab Republic, Egypt, Syria, and Jordan) from 5 to 10 June 1967. Escalated hostilities broke out amid poor relations between Israel and its Arab neighbours following the 1949 Armistice Agreements, which were signed at the end of the 1948 Arab–Israeli War, First Arab–Israeli War. Earlier, in 1956, regional tensions over the Straits of Tiran escalated in what became known as the Suez Crisis, when Israel invaded Egypt over the Israeli passage through the Suez Canal and Straits of Tiran, Egyptian closure of maritime passageways to Israeli shipping, ultimately resulting in the re-opening of the Straits of Tiran to Israel as well as the deployment of the United Nations Emergency Force (UNEF) along the Borders of Israel#Border with Egypt, Egypt–Israel border. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Israel
Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated on the southeastern shore of the Mediterranean Sea and the northern shore of the Red Sea, and shares borders with Lebanon to the north, Syria to the northeast, Jordan to the east, and Egypt to the southwest. Israel also is bordered by the Palestinian territories of the West Bank and the Gaza Strip to the east and west, respectively. Tel Aviv is the economic and technological center of the country, while its seat of government is in its proclaimed capital of Jerusalem, although Israeli sovereignty over East Jerusalem is unrecognized internationally. The land held by present-day Israel witnessed some of the earliest human occupations outside Africa and was among the earliest known sites of agriculture. It was inhabited by the Canaanites ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Egypt
Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a transcontinental country spanning the northeast corner of Africa and southwest corner of Asia via a land bridge formed by the Sinai Peninsula. It is bordered by the Mediterranean Sea to the north, the Gaza Strip of Palestine and Israel to the northeast, the Red Sea to the east, Sudan to the south, and Libya to the west. The Gulf of Aqaba in the northeast separates Egypt from Jordan and Saudi Arabia. Cairo is the capital and largest city of Egypt, while Alexandria, the second-largest city, is an important industrial and tourist hub at the Mediterranean coast. At approximately 100 million inhabitants, Egypt is the 14th-most populated country in the world. Egypt has one of the longest histories of any country, tracing its heritage along the Nile Delta back to the 6th–4th millennia BCE. Considered a cradle of civilisation, Ancient Egypt saw some of the earliest developments of writing, agriculture, ur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Republic Of China Navy
The Republic of China Navy (ROCN; ), also called the ROC Navy and colloquially the Taiwan Navy, is the maritime branch of the Republic of China Armed Forces (ROCAF). The service was formerly commonly just called the Chinese Navy during World War II and prior to the ROC's retreat from the mainland. While still sometimes used especially in domestic circles, it is now not as often used internationally due to the current ambiguous political status of Taiwan and to avoid confusion with the People's Liberation Army Navy of the People's Republic of China (PRC). Today, the ROC Navy's primary mission is to defend the remaining ROC's territories and the sea lanes under its jurisdiction against any possible blockades, attacks, or invasion. Operations include maritime patrols in the Taiwan Strait and surrounding waters, as well as readiness for counter-strike and counter-invasion operations during wartime. The Republic of China Marine Corps (ROCMC) also functions as a branch of the Navy. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People's Republic Of China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and borders fourteen countries by land, the most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third largest country by total land area. The country consists of 22 provinces, five autonomous regions, four municipalities, and two Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the most populous city and financial center is Shanghai. Modern Chinese trace their origins to a cradle of civilization in the fertile basin of the Yellow River in the North China Plain. The semi-legendary Xia dynasty in the 21st century BCE and the well-attested Shang and Zhou dynasties developed a bureaucratic political system to serve hereditary monarchies, or dyna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shantou-class Gunboat
The ''Shantou''-class gunboat was a Chinese-built gunboat of the People's Republic of China's People's Liberation Army Navy. Known in the United States as the "Swatow" class gunboat, it was based on the Soviet P-6 class torpedo boat. The boat is designated as Type 55A (55 Jia Xing, 55甲型). Instead of being wooden hulled, and having torpedoes as the main armament, the ''Shantou'' class is steel-hulled, with guns as the main armament. The ''Shantou'' (or ''Swatow'') is the predecessor of the Type 062 gunboat, or more commonly known as the Shanghai-I & II class. Service history Entering service from 1955 through 1960, these vessels were completely removed from naval service by the mid-1990s, and were transferred to civilian law enforcement agencies. However, just like the ''Beihai'', ''Huangpu'', and ''Yulin'' class gunboats which had been transferred to law enforcement agencies, these obsolete and aging boats were not satisfactory in their new civilian roles, due largely to th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Submarine Chaser
A submarine chaser or subchaser is a small naval vessel that is specifically intended for anti-submarine warfare. Many of the American submarine chasers used in World War I found their way to Allied nations by way of Lend-Lease in World War II. Submarine chaser variants U.S. Navy submarine chasers were designed specifically to destroy German submarines in World War I, and Japanese and German submarines in World War II. The small SC-1-class submarine chasers of the design used in World War I carried the hull designator SC (for Submarine Chaser). Their main weapon was the depth charge. They also carried machine guns and anti-aircraft guns. The similar-sized SC-497-class was built for World War II. Also in World War II, larger PC-461-class submarine chasers used the PC hull classification symbol (for Patrol, Coastal).Gardiner and Chesneau, pp. 71, 152-154 Class relationships: * 438 (98t, wooden hull) * 343 (450t, steel hull) * 68 (850t, steel hull) ** used in similar ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Komar-class Missile Boat
The Soviet Project 183R class, more commonly known as the Komar class, its NATO reporting name, meaning "mosquito", is a class of missile boats, the first of its kind, built in the 1950s and 1960s. Notably, they were the first to sink another ship with anti-ship missiles in 1967. Design The Project 183 motor torpedo boat (MTB) was designed just after World War II. These boats were armed with two torpedo tubes and were used extensively by Soviet coastal forces in the 1950s. The torpedo boat had a wooden semi-planing hull and was fitted with radar. Over 622 MTBs were built. A submarine chaser variant fitted with sonar and depth charges was also built as was a radio-controlled target boat. In 1956, the P-15 Termit missile became available (NATO reporting name: SS-N-2 "Styx"). The Project 183 proved to be a natural choice for mounting the new missiles, giving the small, fast boats great firepower for their size. The new combination was designated Project 183R (R apparently for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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