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Dorade Box
A dorade box (also called a dorade vent, collector box, or simply a "ventilator") is a type of vent that permits the passage of air in and out of the cabin or engine room of a boat while keeping rain, spray, and sea wash out. Design The basic form is a low, rectangular box fixed to the deck or cabin top, fitted with interleaving vertical baffles. The baffles alternate to be free at the floor of the box, or free at the ceiling, forming a series of chambers. A horn-shaped ventilation cowl is usually fitted facing forward to a large hole at the top of the chamber at one end of the box with another large hole opening down into the boat from the chamber at the other end. Limber holes perforate the wall of the box at the floor of each chamber. Dorade boxes operate on the principle that air can pass relatively freely through the chambers, yet rain or sea wash will be trapped in successive chambers and drain out the small holes in the sides of the box. The principle can be applied ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorade Box Diagram
The gilt-head (sea) bream (''Sparus aurata''), known as Orata in antiquity and still today in Italy and Tunisia (known as "Dorada" in Spain, "Dourada" in Portugal and "Dorade Royale" in France), is a fish of the bream family Sparidae found in the Mediterranean Sea and the eastern coastal regions of the North Atlantic Ocean. It commonly reaches about in length, but may reach and weigh up to about . The gilt-head bream is generally considered the best tasting of the breams. It is the single species of the genus ''Sparus'' – the Latin name for this fish – which has given the whole family of Sparidae its name. Its specific name (zoology), specific name, ''aurata'', derives from the gold bar marking between its eyes. The genome of the species was released in 2018, where the authors detected fast evolution of ovary-biased genes likely resulting from the peculiar reproduction mode of the species. Biology It is typically found at depths of , but may occur up to , seen singly or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ventilation (architecture)
Ventilation is the intentional introduction of outdoor air into a space. Ventilation is mainly used to control indoor air quality by diluting and displacing indoor pollutants; it can also be used to control indoor temperature, humidity, and air motion to benefit thermal comfort, satisfaction with other aspects of indoor environment, or other objectives. The intentional introduction of outdoor air is usually categorized as either mechanical ventilation, natural ventilation, or mixed-mode ventilation (hybrid ventilation). * Mechanical ventilation is the intentional fan driven flow of outdoor air into a building. Mechanical ventilation systems may include supply fans (which push outdoor air into a building), exhaust fans (which draw air out of building and thereby cause equal ventilation flow into a building), or a combination of both. Mechanical ventilation is often provided by equipment that is also used to heat and cool a space. * Natural ventilation is the intentional passive fl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Deck (ship)
A deck is a permanent covering over a compartment or a hull of a ship. On a boat or ship, the primary or upper deck is the horizontal structure that forms the "roof" of the hull, strengthening it and serving as the primary working surface. Vessels often have more than one level both within the hull and in the superstructure above the primary deck, similar to the floors of a multi-storey building, that are also referred to as decks, as are certain compartments and decks built over specific areas of the superstructure. Decks for some purposes have specific names. Structure The main purpose of the upper or primary deck is structural, and only secondarily to provide weather-tightness and support people and equipment. The deck serves as the lid to the complex box girder which can be identified as the hull. It resists tension, compression, and racking forces. The deck's scantling is usually the same as the topsides, or might be heavier if the deck is expected to carry heavier loads ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cabin (ship)
A cabin or berthing is an enclosed space generally on a ship or an aircraft. A cabin which protrudes above the level of a ship's deck (ship), deck may be referred to as a deckhouse. Sailing ships In sailing ships, the officers and paying passengers would have an individual or shared cabin. The Captain (nautical), captain or commanding officer would occupy the "great cabin" that normally spanned the width of the stern and had large windows. On a warship, it was a privileged area, separate from the rest of the ship, for the exclusive use of the captain. In large warships, the cabin was subdivided into day and night cabins (bedrooms) by movable panels, called ''Bulkhead (partition), bulk-heads'', that could be removed in time of battle to leave the cabin clear for the gunners to use the chase gun, stern chasers several of which were usually stationed in the cabin. On large Three-decker, three decker warships in the age of sail the captain's cabin was sometimes appropriated ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cowl (chimney)
A cowl is a usually hood-shaped covering used to increase the draft of a chimney and prevent backflow. The cowl, usually made of galvanized iron, is fitted to the chimney pot to prevent wind blowing the smoke back down into the room below. Undoubtedly named after the resemblance of many designs to the cowl garment worn by monks, they have been in use for centuries. When using an open fire to heat a room the smoke rises through a flue to a chimney pot on the roof. Under normal conditions the warm air from the fire will rise up the chimney emitting the smoke with it and dispersing it at rooftop level where it is less of a nuisance. In strong winds the pressure of the wind may overwhelm the updraft and push the airflow in reverse down the flue. Smoke will then fill the room it is intended to heat posing a health and fire risk, causing discomfort and dirtying furnishings in its path. When raw coal rather than smokeless fuel is burnt, the amount of smoke may be considerable and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limber Hole
A limber hole is a drain hole through a frame or other structural member of a boat designed to prevent water from accumulating against one side of the frame, and allowing it to drain toward the bilge. Limber holes are common in the bilges of wooden boats. The term may be extended to cover drain holes in floors. Limber holes are created in between bulkheads so that one compartment does not fill with water. The limber holes allow water to drain into the lowest part of the bilge so that it can be pumped out by a single bilge pump A bilge pump is a water pump used to remove bilge water. Since fuel can be present in the bilge, electric bilge pumps are designed to not cause sparks. Electric bilge pumps are often fitted with float switches which turn on the pump when the bilge ... (or more usually, one electric and one manual pump). The term is also commonly applied to the holes in mid-20th century submarine upperworks, which allow drainage from the superstructure. References * Ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olin Stephens
Olin James Stephens II (April 13, 1908 – September 13, 2008) was an American yacht designer. Stephens was born in New York City, but spent his summers with his brother Rod, learning to sail on the New England coast. He also attended the Massachusetts Institute of Technology for a term. Stephens' name had a long history in connection with America's Cup. He assisted W. Starling Burgess with the design of the J-Class ''Ranger'', which won the America's Cup in 1937, defeating the Royal Yacht Squadron's ''Endeavour II'' in four races. He was the original designer of six out of seven successful 12 Metre defenders of the America's Cup between 1958 and 1980, with the exception of ''Weatherly'' in 1962. Other than ''Ranger'', the most remarkable of his defenders was the '' Intrepid''. She had a rudder separate from her keel to reduce wetted surface and improve steering. Stephens had previously designed separate rudders on a number of increasingly large ocean racers of the 1960s, mos ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dorade (yacht)
''Dorade'' is a yacht designed in 1929 by Olin Stephens of Sparkman & Stephens and built 1929–1930 by the Minneford Yacht Yard in City Island, New York. With Stephens as skipper, ''Dorade'' went on to place 2nd in the Bermuda Race later that year. The crew for its first race received the All-Amateur Crew Prize. However, it would be a year later, that ''Dorade'' made its name by winning the 1931 Transatlantic Race. She completed a race that takes an estimated 3–4 weeks in just 17 days, earning her crew a parade upon the boat's return and a reception for Olin Stephens hosted by the mayor of New York. While in England that summer, ''Dorade'' also won the Fastnet Race. In 1932, Stephens handed the boat to his brother, Rod Stephens. Led by Rod, ''Dorade'' sailed to victory in the 1932 Bermuda Race. From Bermuda, ''Dorade'' sailed back to Norway, down to Cowes, England, and finally back to America after winning the Fastnet Race. The victory in the 1932 Fastnet Race was of substan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shipbuilding
Shipbuilding is the construction of ships and other floating vessels. It normally takes place in a specialized facility known as a shipyard. Shipbuilders, also called shipwrights, follow a specialized occupation that traces its roots to before recorded history. Shipbuilding and ship repairs, both commercial and military, are referred to as "naval engineering". The construction of boats is a similar activity called boat building. The dismantling of ships is called ship breaking. History Pre-history The earliest known depictions (including paintings and models) of shallow-water sailing boats is from the 6th to 5th millennium BC of the Ubaid period of Mesopotamia. They were made from bundled reeds coated in bitumen and had bipod masts. They sailed in shallow coastal waters of the Persian Gulf. 4th millennium BC Ancient Egypt Evidence from Ancient Egypt shows that the early Egyptians knew how to assemble planks of wood into a ship hull as early as 3100 BC. Egyptian potte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nautical Terminology
This glossary of nautical terms is an alphabetical listing of terms and expressions connected with ships, shipping, seamanship and navigation on water (mostly though not necessarily on the sea). Some remain current, while many date from the 17th to 19th centuries. The word nautical derives from the Latin ''nauticus'', from Greek ''nautikos'', from ''nautēs'': "sailor", from ''naus'': "ship". Further information on nautical terminology may also be found at Nautical metaphors in English, and additional military terms are listed in the Multiservice tactical brevity code article. Terms used in other fields associated with bodies of water can be found at Glossary of fishery terms, Glossary of underwater diving terminology, Glossary of rowing terms, and Glossary of meteorology. This glossary is split into two articles: * terms starting with the letters A to L are at Glossary of nautical terms (A-L) * terms starting with the letters M to Z are at Glossary of nautical terms (M-Z). __ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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