French Submarine Pluviôse (Q51)
''Pluviôse'' (Q51) was the name ship of her class of 18 submarines built for the French Navy () in the first decade of the 20th century. Design and description The ''Pluviôse'' class were built as part of the French Navy's 1905 building program to a double-hull design by Maxime Laubeuf.Smigielski, p. 209 The submarines displaced surfaced and submerged. They had an overall length of , a beam of , and a draft of . Their crew numbered 2 officers and 23 enlisted men. For surface running, the boats were powered by two triple-expansion steam engines, each driving one propeller shaft using steam provided by two Du Temple boilers. When submerged each propeller was driven by a electric motor. On the surface they were designed to reach a maximum speed of and underwater. The submarines had a surface endurance of at and a submerged endurance of at . The first six boats completed, including ''Pluviôse'', were armed with a single internal bow torpedo tube, but after an acci ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Boulogne
Boulogne-sur-Mer (; pcd, Boulonne-su-Mér; nl, Bonen; la, Gesoriacum or ''Bononia''), often called just Boulogne (, ), is a coastal city in Northern France. It is a sub-prefecture of the department of Pas-de-Calais. Boulogne lies on the Côte d'Opale, a touristic stretch of French coast on the English Channel between Calais and Normandy, and the most visited location in the region after the Lille conurbation. Boulogne is its department's second-largest city after Calais, and the 183rd-largest in France.Téléchargement du fichier d'ensemble des populations légales en 2017 [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Length Overall
__NOTOC__ Length overall (LOA, o/a, o.a. or oa) is the maximum length of a vessel's hull measured parallel to the waterline. This length is important while docking the ship. It is the most commonly used way of expressing the size of a ship, and is also used for calculating the cost of a marina berth (for example, £2.50 per metre LOA). LOA is usually measured on the hull alone. For sailing ships, this may ''exclude'' the bowsprit and other fittings added to the hull. This is how some racing boats and tall ships use the term LOA. However, other sources may include bowsprits in LOA. Confusingly, LOA has different meanings. "Sparred length", "Total length including bowsprit", "Mooring length" and "LOA including bowsprit" are other expressions that might indicate the full length of a sailing ship. LOD Often used to distinguish between the length of a vessel including projections (e.g. bow sprits, etc.) from the length of the hull itself, the Length on Deck or LOD is often repor ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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French Submarine Maurice Callot
''Maurice Callot'' was a French Navy minelayer submarine commissioned in 1922, the first minelayer submarine designed and built in France. She was decommissioned in 1936. ''Maurice Callot'' — originally named ''Pierre Callot'' — was named for the commanding officer of the submarine , '' Lieutenant de vaisseau'' Pierre Félix Maurice Callot, who perished when ''Pluviôse'' was sunk in a collision with the loss with all hands on 26 May 1910. Design A double-hulled ocean-going submarine, ''Maurice Callot'' was the first minelayer submarine designed and built in France. She was long, with a beam of and a draft of .''Conway′s 1906–1921'', p. 213.Labayle Couhat, p. 159. Her surface displacement was , and her submerged displacement was . She was propelled on the surface by two Schneider two-stroke diesel engines producing a combined . Underwater propulsion was provided by two Schneider electric motors producing a combined . The twin-propeller propulsion system made it pos ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Calais
Calais ( , , traditionally , ) is a port city in the Pas-de-Calais department, of which it is a subprefecture. Although Calais is by far the largest city in Pas-de-Calais, the department's prefecture is its third-largest city of Arras. The population of the city proper is 72,929; that of the urban area is 149,673 (2018).Comparateur de territoire: Aire d'attraction des villes 2020 de Calais (073), Commune de Calais (62193) INSEE Calais overlooks the Strait of Dover, the narrowest point in the English Channel ...
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Ship Commissioning
Ship commissioning is the act or ceremony of placing a ship in active service and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to placing a warship in active duty with its country's military forces. The ceremonies involved are often rooted in centuries-old naval tradition. Ship naming and launching endow a ship hull with her identity, but many milestones remain before she is completed and considered ready to be designated a commissioned ship. The engineering plant, weapon and electronic systems, galley, and other equipment required to transform the new hull into an operating and habitable warship are installed and tested. The prospective commanding officer, ship's officers, the petty officers, and seamen who will form the crew report for training and familiarization with their new ship. Before commissioning, the new ship undergoes sea trials to identify any deficiencies needing corre ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ceremonial Ship 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]   |
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Laid Down
Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one of the four specially celebrated events in the life of a ship; the others are launching, commissioning and decommissioning. In earlier times, the event recognized as the keel laying was the initial placement of the central timber making up the backbone of a vessel, called the keel. As steel ships replaced wooden ones, the central timber gave way to a central steel beam. Modern ships are most commonly built in a series of pre-fabricated, complete hull sections rather than around a single keel. The event recognized as the keel laying is the first joining of modular components, or the lowering of the first module into place in the building dock. It is now often called "keel authentication", and is the ceremonial beginning of the ship's life ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Arsenal De Cherbourg
Cherbourg Naval Base is a naval base in Cherbourg Harbour, Cherbourg, Manche Departments of France, department, Normandy. The town has been a base of the French Navy since the opening of the military port in 1813. History Early works Cherbourg had been a stronghold since Roman times, and was one of the strongest fortresses of the Hundred Years War. But until the 18th century it had only a shallow harbour, minor commercial activity and no military development. In the 17th century the military engineer Sébastien Le Prestre de Vauban, Vauban drew up plans to develop Cherbourg into a port where passing ships could shelter from attack or storms. Vauban's plans included an artificial harbour, and the quadrupling of the size of the city. The project was eventually abandoned, before being temporarily revived under Louis XV of France, Louis XV. The British raid on Cherbourg in 1758 however caused severe damage to the barely completed commercial port. By the 1770s, with French involvement ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Traverse (gunnery)
Traverse may refer to: * Traverse (climbing), skiing, and in the engineering of roads into slopes * Traverse (surveying), a method of establishing basic points in the field * Movement of a machine slide on a machine tool * Traverse stage, a style of theatre seating or performance Other meanings: * TRAVERSE (software), accounting and business software * Traverse (gunnery), the horizontal field of fire of an artillery piece * Traverse (trench warfare), a development in trench design * Traverse (fortification), a mass of earth behind a military parapet * ''Traverse'' (magazine), a Northern Michigan regional monthly * Chevrolet Traverse, a 2009 sport-utility vehicle * Traverse County, Minnesota, a county in Minnesota * Traverse City, Michigan * Traverse, Michigan, an unincorporated community * Traverse Theatre, writing theatre in Scotland * Traverse Town, a fictional city in some Kingdom Hearts series video games * Traverse (common law), a pleading In law as practiced in countr ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Du Temple Boiler
Three-drum boilers are a class of water-tube boiler used to generate steam, typically to power ships. They are compact and of high evaporative power, factors that encourage this use. Other boiler designs may be more efficient, although bulkier, and so the three-drum pattern was rare as a land-based stationary boiler. The fundamental characteristic of the "three-drum" design is the arrangement of a steam drum above two water drums, in a triangular layout. Water tubes fill in the two sides of this triangle between the drums, and the furnace is in the centre. The whole assembly is then enclosed in a casing, leading to the exhaust flue. Firing can be by either coal or oil. Many coal-fired boilers used multiple firedoors and teams of stokers, often from both ends. Development Development of the three-drum boiler began in the late 19th century, with the demand from naval ships that required high power and a compact boiler. The move to water-tube boilers had already begun, with ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |