|
UC3 Nautilus
''UC3 Nautilus'' was a privately built Danish midget submarine. It was built over a three-year period by Peter Madsen and a group of volunteers, and cost approximately US$200,000 to build (1.5 million DKK). The submarine was Madsen's third submarine design. On 11 August 2017, ''Nautilus'' sank in the bay of Køge, in what investigators determined was a deliberate act. The following day, Danish police had the submarine salvaged and brought onto land as part of the investigation of the death of Swedish journalist Kim Wall, who was last seen alive on board. As part of the conviction of Madsen for Wall's murder, the submarine was confiscated and later destroyed by the authorities. Launch On the day of its launch on 3 May 2008, ''UC3 Nautilus'' displaced only 32 tons and was still incomplete. It was named at a well-attended ceremony on the west side of Refshaleøen and towed to the floating installation art barge ''Illutron'' (formerly M/S ''Half Machine'') in the Kongens Enghave, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Midget Submarine
A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, from which they are launched and recovered and which provide living accommodation for the crew and support staff. Both military and civilian midget submarines have been built. Military types work with surface ships and other submarines as mother ships. Civilian and non-combatant military types are generally called submersibles and normally work with surface ships. Most early submarines would now be considered midget submarines, such as the United States Navy's and the British Royal Navy's (both named for the same John Philip Holland, designer). Military submarines Uses Midget submarines are best known for harbor penetration, although only two World War II boats, the British X-class submarine, X-craft and the unsuccessful Welman subm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kongens Enghave
Kongens Enghave ("king's meadow"), commonly known as Sydhavnen ("south harbour") or the postal district of 2450 Copenhagen SV (southwest) is a district in southern Copenhagen. While its core is a largely pre-WWII former working class district, it also contains an upscale residential area along the harbour having been developed after 2000, scattered industrial areas, large parks such as Valbyparken and Sydhavnstippen, allotment gardens and parts of Vestre Kirkegård, the city's largest cemetery. The area has historically been a working class quarter, dissected by major transport corridors and characterized by industry along the harbour-front. Since the turn of the millennium, this picture is starting to change. While the central parts of the district in general remains a relatively poor neighbourhood with social challenges, the harbour-front areas of Sluseholmen and Teglholmen have undergone massive redevelopment into new residential neighbourhoods. A cluster of IT and telecommun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Silent Hunter 5
''Silent Hunter 5: Battle of the Atlantic'' is a submarine simulator for Microsoft Windows developed by Ubisoft Bucharest and published by Ubisoft. It is the fifth and latest installment of the ''Silent Hunter'' franchise and the successor of '' Silent Hunter 4: Wolves of the Pacific''. Like '' Silent Hunter II'' and ''Silent Hunter III'', it places the player in command of a German U-boat during World War II, more specifically the Battle of the Atlantic. Overview ''Silent Hunter 5'' takes players behind the periscope of a German Type VII U-boat to take on the Allied Forces in battles across the Atlantic Ocean and Mediterranean Sea. Players command the U-boat after the first captain, Rahn, departs for another submarine. They assume the role of the next submarine captain from a first-person view in a campaign that spans 1939-1943. Reception The game received "mixed" reviews according to video game review aggregator Metacritic. GameZone's Steven Hopper said, "The game off ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ubisoft
Ubisoft Entertainment SA (; ; formerly Ubi Soft Entertainment SA) is a French video game publisher headquartered in Saint-Mandé with development studios across the world. Its video game franchises include '' Assassin's Creed'', ''Far Cry'', ''For Honor'', '' Just Dance'', '' Prince of Persia'', ''Rabbids'', ''Rayman'', ''Tom Clancy's'', and ''Watch Dogs''. History Origins and first decade (1986–1996) By the 1980s, the Guillemot family had established themselves as a support business for farmers in the Brittany province of France and other regions, including into the United Kingdom. The five sons of the family – Christian, Claude, Gérard, Michel, and Yves – helped with the company's sales, distribution, accounting, and management with their parents before university. All 5 gained business experience while at university, which they brought back to the family business after graduating. The brothers came up with the idea of diversification to sell other products of use ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Subsim
SUBSIM is an online publication founded by Neal Stevens in Jan. 1997 that focuses on naval and submarine computer game reviews, articles, and news. Subsim is short for Submarine simulator. Subsim's forums have been online since 1999, with archives back to 2001. Membership totals were 117,023 at August 2016, with approximately 7700 active members daily. International meets have been held in London, Houston, Amsterdam, Copenhagen, Groton, Germany, and Tokyo. Subsim is the media outlet for game publishers that feature naval content, a resource for military strategists, as well as a source of editorial comment on the state of PC computer simulations and games. Subsim members have been consultants and testers for game such as Enigma: Rising Tide, Silent Hunter II, Silent Hunter III, Dangerous Waters, Sub Command, Fleet Command, Destroyer Command, among others. Shortly after the release of the ill-fated Silent Hunter II, Ubisoft agreed to provide Subsim with the game source code to rep ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Submarine Snorkel
A submarine snorkel is a device which allows a submarine to operate submerged while still taking in air from above the surface. British Royal Navy personnel often refer to it as the snort. A concept devised by Dutch engineers, it was widely used on German U-boats during the last year of World War II and known to them as a ''Schnorchel''. History Until the advent of nuclear power, submarines were designed to operate on the surface most of the time and submerge only for evasion or for daylight attacks. Until the widespread use of radar after 1940, at night a submarine was safer on the surface than submerged, because sonar could detect boats underwater but was almost useless against a surface vessel. However, with continued radar improvement as the war progressed, submarines (notably, the German U-boats in the Battle of the Atlantic) were forced to spend more time underwater, running on electric motors that gave speeds of only a few knots and very limited range. An early submar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kobben-class Submarine
The ''Kobben'' class (also known as Type 207) is a customized version of the German Type 205 submarine. Fifteen vessels of this class were built for use by the Royal Norwegian Navy in the 1960s. The class later saw service with Denmark and Poland. The boats have since been withdrawn from service in the Norwegian and Danish navies. The Polish Navy still operates two ''Kobben''-class submarines (''Bielik'', ''Sęp'') as of 2020, but 2021 may see these final two boats retired. History Along with the rest of the Royal Norwegian Navy, the submarine fleet was to be modernized according to the ''Fleet plan of 1960''. After the war, Norway needed a navy more suited for coastal operations rather than large, seagoing vessels. This made the choice of a new type of submarines rather slim, not many NATO submarines being suited for this type of operations. A German Type 201 submarine was lent to the Royal Norwegian Navy for evaluation and adaptation. The result was the Type 207, of which 15 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diving Plane
Diving planes, also known as hydroplanes, are control surfaces found on a submarine which allow the vessel to pitch its bow and stern up or down to assist in the process of submerging or surfacing the boat, as well as controlling depth when submerged. Bow and stern planes Diving planes are usually fitted in two pairs, the '' bow planes'' at the front of the submarine and the ''stern planes'' at the rear. The stern planes function in much the same way as an aircraft's elevator. As the planes are a long distance fore-and-aft from the hull's centre of buoyancy, they introduce a pitching moment. Ballast tanks within the submarine adjust buoyancy to be neutral, making the boat controllable. The position of the planes controls the pitch of the boat and, with the forward motion of the boat, this controls depth. If not carefully controlled, this could lead to a 'porpoising' motion whereby the planesman continually hunts for a stable combination of depth and pitch. For easier berth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crush Depth
Depth ratings are primary design parameters and measures of a submarine's ability to operate underwater. The depths to which submarines can dive are limited by the strengths of their submarine hull, hulls. Ratings The hull of a submarine must be able to withstand the forces created by the outside water pressure being greater than the inside air pressure. The outside water pressure increases with depth and so the stresses on the hull also increase with depth. Each 10 metres (33 feet) of depth puts another atmosphere (1 bar, 14.7 psi, 101 kPa) of pressure on the hull, so at 300 metres (1,000 feet), the hull is withstanding thirty atmospheres (30 bar, 441 psi, 3,000 kPa) of water pressure. Test depth The maximum depth at which a submarine is permitted to operate under normal peacetime circumstances, and is tested during sea trials. The test depth is set at two-thirds (0.66) of the design depth for United States Navy submarines, while the Royal Navy sets test depth at 4/7 (0.57) t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Periscope Depth
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle. This form of periscope, with the addition of two simple lenses, served for observation purposes in the trenches during World War I. Military personnel also use periscopes in some gun turrets and in armoured vehicles. More complex periscopes using prisms or advanced fiber optics instead of mirrors and providing magnification operate on submarines and in various fields of science. The overall design of the classical submarine periscope is very simple: two telescopes pointed into each other. If the two telescopes have different individual magnification, the difference between them causes an overall magnification or reduction. Early examples Johannes Hevelius described an early ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trim (attitude)
Trim or TRIM may refer to: Cutting * Cutting or trimming small pieces off something to remove them ** Book trimming, a stage of the publishing process ** Pruning, trimming as a form of pruning often used on trees Decoration * Trim (sewing), ornaments applied to clothing or other textiles * Hatmaking#Types, trimmings, ornaments fastened to women's hats * Trim package, a set of cosmetic embellishments to a car or other vehicle * Trim, a kind of decorative molding, typically around an opening Places * Trim, County Meath, a town in Ireland ** Trim Castle, a castle in Ireland * Trim Station (OC Transpo), a bus station in Ottawa, Canada * Trim Road, Ottawa, Canada Science and technology * HP TRIM Records Management System, computer software * Trim (computing), a solid-state drive erasure optimization command * Trimming (computer programming), using a computer command to trim whitespace from the ends of text * Transport of ions in matter, a computer program * Tripartite motif fami ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knot (unit)
The knot () is a unit of speed equal to one nautical mile per hour, exactly (approximately or ). The ISO standard symbol for the knot is kn. The same symbol is preferred by the Institute of Electrical and Electronics Engineers (IEEE), while kt is also common, especially in aviation, where it is the form recommended by the International Civil Aviation Organization (ICAO). The knot is a non- SI unit. The knot is used in meteorology, and in maritime and air navigation. A vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour. Definitions ;1 international knot = :1 nautical mile per hour (by definition), : (exactly), : (approximately), : (approximately), : (approximately) : (approximately). The length of the internationally agreed nautical mile is . The US adopted the international definition in 1954, having previously used the US nautical mile (). The UK adopted the international nautical mile definition in 1970, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
