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HMAS Onslow
HMAS ''Onslow'' (SS 60/SSG 60) is one of six s, previously operated by the Royal Australian Navy (RAN). The submarine was named after the town of Onslow, Western Australia, and Sir Alexander Onslow, with the boat's motto and badge derived from Onslow's family heritage. Ordered in 1963, ''Onslow'' was laid down at the end of 1967 by Scotts Shipbuilding and Engineering Company in Scotland, launched almost a year later, and commissioned into the RAN at the end of 1969. During her career, ''Onslow'' became the first conventionally powered submarine to be fitted with anti-ship missiles, and was successful in wargames, "sinking" a seven-ship flotilla during Exercise Kangaroo 3 in 1980 and the United States supercarrier at RIMPAC 1998. After being decommissioned in March 1999, ''Onslow'' was then presented to the Australian National Maritime Museum in April, where she is preserved as a museum ship. Design and construction ''Onslow'' is one of four ''Oberon''-class submarines ordered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HMAS Onslow Alone
His Majesty's Australian Ship (HMAS) (or Her Majesty's Australian Ship when the monarch is female) is a ship prefix used for commissioned units of the Royal Australian Navy (RAN). This prefix is derived from HMS (Her/His Majesty's Ship), the prefix used by the Royal Navy of the United Kingdom, and can be equally applied to warships and shore bases (as Australia follows the British tradition of referring to naval establishments as stone frigates). On 10 July 1911, King George V granted the title of Royal Australian Navy to the naval forces of Australia. At the same time, the prefix and acronym were approved for use in identifying units commissioned into the RAN. The prefix had been used prior to formal approval, with the torpedo-boat destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally devel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beam (nautical)
The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull, and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water. Generally speaking, the wider the beam of a ship (or boat), the more initial stability it has, at the expense of secondary stability in the event of a capsize, where more energy is required to right the vessel from its inverted position. A ship that heels on her ''beam ends'' has her deck beams nearly vertical. Typical values Typical length-to-beam ratios ( aspect ratios) for small sailboats are from 2:1 (dinghies to trailerable sailboats around ) to 5:1 (racing sailboats over ). Large ships have widely varying beam ratios, some as large as 20:1. Rowing shells In watercraft, a racing shell (also referred to as just a ''fine boat'' (UK) or just ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pearl Harbor
Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Reciprocity Treaty of 1875. Much of the harbor and surrounding lands are now a United States Navy deep-water naval base. It is also the headquarters of the United States Pacific Fleet. The U.S. government first obtained exclusive use of the inlet and the right to maintain a repair and coaling station for ships here in 1887. The surprise attack by the Imperial Japanese Navy on December 7, 1941, led the United States to declare war on the Empire of Japan, making the attack on Pearl Harbor the immediate cause of the United States' entry into World War II. History Pearl Harbor was originally an extensive shallow embayment called ''Wai Momi'' (meaning, “Waters of Pearl”) or ''Puuloa'' (meaning, “long hill”) by the Hawaiians. Puuloa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chief Of Navy (Australia)
The Chief of Navy is the most senior appointment in the Royal Australian Navy The Royal Australian Navy (RAN) is the principal naval force of the Australian Defence Force (ADF). The professional head of the RAN is Chief of Navy (CN) Vice Admiral Mark Hammond AM, RAN. CN is also jointly responsible to the Minister of ..., responsible to the Chief of the Defence Force (CDF) and the Secretary of Defence. The rank associated with the position is vice admiral ( 3-star). Vice Admiral Mark Hammond is the current Chief of Navy; he assumed the position on 6 July 2022. Appointees The following list chronologically records those who have held the post of Chief of Navy or its preceding positions. Rank and honours are as at the completion of the individual's tours. Notes {{Chief of the navy by country Royal Australian Navy Royal Australian Navy admirals Leadership of the Australian Defence Force Military appointments of Australia Australia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Victor Smith
Admiral Sir Victor Alfred Trumper Smith, (9 May 1913 – 10 July 1998) was a senior officer in the Royal Australian Navy. Smith's career culminated with his appointment as chairman, Chiefs of Staff Committee—forerunner of the role of Australia's Chief of the Defence Force—from 1970 to 1975, following an earlier term as Chief of Naval Staff from 1968 to 1970. Early life Smith was born in Chatswood, New South Wales on 3 May 1913, to George and Una Smith, and was named after his uncle, Victor Trumper, a distinguished Australian cricketer. He was educated at Chatswood Public School, where he participated in such sports as swimming, tennis and rugby and was also a member of the Chatswood Wolf Cub Pack. Early career After deciding to embark on a naval career, Smith entered the Royal Australian Naval College as a cadet midshipman in January 1927. He attended the college for three-and-a-half years before receiving a further six months of training at Flinders Naval Depot. I ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mark 20 Bidder
There have been several British 21-inch (533 mm) torpedoes used by the Royal Navy since their first development just before the First World War. Torpedoes of 21 inch calibre were the largest torpedoes in common use in the RN. They were used by surface ships and submarines rather than aircraft, which used smaller 18-inch torpedoes. Mark I The first British 21-inch torpedo came in two lengths, "Short" at , and "Long" at . The explosive charge was of gun cotton increased later to . Mark II The Mark II, chiefly used by destroyers, entered service in 1914. Apart from some older British ships, it was used with the old US ( destroyers-for-bases deal) Town-class destroyers provided to the UK during the early part of the Second World War. The running speed was reduced from (over 3,000 yards) for better reliability. The Mark II*, an improved Mark II, was used by battleships and battlecruisers. A wet heater design, it could run for at . Mark IV From 1912, used by de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stonefish (mine)
Stonefish is a naval influence mine manufactured by British defence company BAE Systems. It has been exported to friendly countries such as Australia, which has both warstock and training versions of Stonefish. There has been conjecture that South Africa, Chile, Iraq, Libya and possibly other countries may have gained access to either some early Stonefish information or to similar technology. The mine is named after the venomous stonefish. Design Stonefish mines generally have two suspension lugs in order to facilitate handling operations e.g. winching. They can be deployed by fixed-wing aircraft, helicopters, surface vessels and submarines. It is a cylindrically shaped, modular weapon, comprising three separate sections which are joined together to form one unit: * launching system (e.g. nose fairing, tail-fin unit, parachute-pack and arming lanyards for air-dropped delivery) * electronics pack (incorporating safety/arming devices, target processing computer and associated fuz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British 21 Inch Torpedo
There have been several British 21-inch (533 mm) torpedoes used by the Royal Navy since their first development just before the First World War. Torpedoes of 21 inch calibre were the largest torpedoes in common use in the RN. They were used by surface ships and submarines rather than aircraft, which used smaller 18-inch torpedoes. Mark I The first British 21-inch torpedo came in two lengths, "Short" at , and "Long" at . The explosive charge was of gun cotton increased later to . Mark II The Mark II, chiefly used by destroyers, entered service in 1914. Apart from some older British ships, it was used with the old US ( destroyers-for-bases deal) Town-class destroyers provided to the UK during the early part of the Second World War. The running speed was reduced from (over 3,000 yards) for better reliability. The Mark II*, an improved Mark II, was used by battleships and battlecruisers. A wet heater design, it could run for at . Mark IV From 1912, used by de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Test 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 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) the design dept ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shaft Horsepower
Horsepower (hp) is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Two common definitions used today are the mechanical horsepower (or imperial horsepower), which is about 745.7 watts, and the metric horsepower, which is approximately 735.5 watts. The term was adopted in the late 18th century by Scottish engineer James Watt to compare the output of steam engines with the power of draft horses. It was later expanded to include the output power of other types of piston engines, as well as turbines, electric motors and other machinery. The definition of the unit varied among geographical regions. Most countries now use the SI unit watt for measurement of power. With the implementation of the EU Directive 80/181/EEC on 1 January 2010, the use of horsepower in the EU is permitted only as a supplementary unit. History The development of the s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
