|
Nautical Cable
A nautical cable is a band of tightly woven and clamped ropes, of a defined cable length, used during the age of sail for deep water anchoring, heavy lifting, ship to ship transfers and towing during blue sea sailing and other uses. Waterproof lines Ordinary rope is not waterproof. When a ship anchors in relatively deep water (greater than about ), the anchor and rope that is let down becomes prohibitively difficult to raise again, even with a mechanism like a Capstan (nautical), capstan. This ultimately limits the depths available with ordinary rope to within the weight bearing capacity of the rope. The rope will become so heavy with water it will break. The traditional instructions, according to the British Royal Navy in the age of sail, are: Three large strands of tightly woven rope of about in length are themselves tightly woven in a direction counter to the weave, [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cable Length
A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms. Owing to anachronisms and varying techniques of measurement, a cable length can be anywhere from 169 to 220 metres, depending on the standard used. The unit is named after the length of a ship's anchor cable in the Age of Sail. The definition varies: * International: 185.2 m, equivalent to nautical mile * Imperial ( Admiralty): 185.32 m, or nautical mile, about 101 fathoms ** The traditional British fathom varied from in the Merchant Navy, making the "historical" cable 169 m to 215.5 m. * US customary (US Navy): 219.5 metres, 120 fathoms (720 feet) See also * Conversion of units Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors which change the measured quantity value without changing its effects. Overview The process ... Referen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rope
A rope is a group of yarns, plies, fibres, or strands that are twisted or braided together into a larger and stronger form. Ropes have tensile strength and so can be used for dragging and lifting. Rope is thicker and stronger than similarly constructed cord, string, and twine. Construction Rope may be constructed of any long, stringy, fibrous material, but generally is constructed of certain natural or synthetic fibres. Synthetic fibre ropes are significantly stronger than their natural fibre counterparts, they have a higher tensile strength, they are more resistant to rotting than ropes created from natural fibres, and they can be made to float on water. But synthetic ropes also possess certain disadvantages, including slipperiness, and some can be damaged more easily by UV light. Common natural fibres for rope are Manila hemp, hemp, linen, cotton, coir, jute, straw, and sisal. Synthetic fibres in use for rope-making include polypropylene, nylon, polyes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Capstan (nautical)
A capstan is a vertical-axled rotating machine developed for use on sailing ships to multiply the pulling force of seamen when hauling ropes, cables, and hawsers. The principle is similar to that of the windlass, which has a horizontal axle. History The word, connected with the Old French ''capestan'' or ''cabestan(t)'', from Old Provençal ''cabestan'', from ''capestre'' "pulley cord," from Latin ''capistrum'', -a halter, from ''capere'', to take hold of, seems to have come into English (14th century) from Portuguese or Spanish shipmen at the time of the Crusades. Both device and word are considered Spanish inventions. Early form In its earliest form, the capstan consisted of a timber mounted vertically through a vessel's structure which was free to rotate. Levers, known as bars, were inserted through holes at the top of the timber and used to turn the capstan. A rope wrapped several turns around the drum was thus hauled upon. A rudimentary ratchet was provided to hold ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cable Length
A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms. Owing to anachronisms and varying techniques of measurement, a cable length can be anywhere from 169 to 220 metres, depending on the standard used. The unit is named after the length of a ship's anchor cable in the Age of Sail. The definition varies: * International: 185.2 m, equivalent to nautical mile * Imperial ( Admiralty): 185.32 m, or nautical mile, about 101 fathoms ** The traditional British fathom varied from in the Merchant Navy, making the "historical" cable 169 m to 215.5 m. * US customary (US Navy): 219.5 metres, 120 fathoms (720 feet) See also * Conversion of units Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors which change the measured quantity value without changing its effects. Overview The process ... Referen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hawsers
Hawser () is a nautical term for a thick cable or rope used in mooring or towing a ship. A hawser passes through a hawsehole, also known as a cat hole, located on the hawse.The American Heritage Dictionary of the English Language, third edition, Houghton Mifflin The asterisk ( ), from Late Latin , from Ancient Greek , ''asteriskos'', "little star", is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star. Computer scientists and mathematicians often voc ... Company, pp. 829–30, References External links * {{Authority control Shipbuilding Sailboat components Sailing ship components Nautical terminology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hawsehole
Hawsehole is a nautical term for a small hole in the hull of a ship through which '' hawsers'' may be passed. It is also known as a cat hole. In the (British) Royal Navy, a man who had risen from the lowest grade to officer was said to have "come in at the hawsehole". See also *Hawsepiper Hawsepiper is an informal maritime industry term used to refer to a merchant ship's officer who began his or her career as an unlicensed merchant seaman and did not attend a traditional maritime college or academy to earn an officer's license. ... References {{Sailing ship elements Shipbuilding Sailboat components Sailing ship components Nautical terminology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Navy
The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against France. The modern Royal Navy traces its origins to the early 16th century; the oldest of the UK's armed services, it is consequently known as the Senior Service. From the middle decades of the 17th century, and through the 18th century, the Royal Navy vied with the Dutch Navy and later with the French Navy for maritime supremacy. From the mid 18th century, it was the world's most powerful navy until the Second World War. The Royal Navy played a key part in establishing and defending the British Empire, and four Imperial fortress colonies and a string of imperial bases and coaling stations secured the Royal Navy's ability to assert naval superiority globally. Owing to this historical prominence, it is common, even among non-Britons, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
