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Topic: British Porpoise class submarine

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In the News (Wed 22 May 19)

  Amphion class submarine
The Amphion class (also known as the "A" class) of diesel-electric submarines were ordered by the Admiralty in 1943.
They were an enlargement of the T class, arranged for fast, simple construction and to utilise much of the materials and equipment set-aside for the T boats.
The Amphion class served the Royal Navy for almost three decades, and was gradually replaced with the Porpoise[?] and Oberon[?] classes.
www.ebroadcast.com.au /lookup/encyclopedia/a_/A_class_submarine.html   (402 words)

 Welding Class   (Site not responding. Last check: 2007-10-20)
British Rail Class 41 (Warship Class) - The British Railways Class 41 diesel-hydraulic locomotives were built by the North British Locomotive Company in Glasgow during 1957 and 1958.
Beagle class destroyer - The Beagle class was a class of sixteen destroyers of the Royal Navy launched in 1909 or 1910.
The Amphion class submarine The Amphion class served the Royal Navy for almost three decades, and was gradually replaced with the Porpoise and Oberon classes.
pi8.poseidontech.com /weldingclass.html   (1252 words)

 Victoria class submarine
The Victoria class consists of four diesel-powered Royal Canadian Navy[?] submarines acquired from the Royal Navy (formerly known as the Upholder class) and replacing the old Oberon-class[?] subs.
Victoria operates out of Esquimalt, British Columbia[?] and works in the Pacific Ocean, while the remaining boats are based in Halifax, Nova Scotia and work in the Atlantic and Arctic oceans.
They are essentially identical to modern nuclear submarines (with the distinctive nuclear shape and sonar-deflecting tiles) but run on diesel engines instead of nuclear reactors (which limits their range, but conversely makes them quieter and more manoeuvrable).
www.ebroadcast.com.au /lookup/encyclopedia/vi/Victoria_Class.html   (203 words)

 British Submarines of World War Two - Miscellaneous Classes   (Site not responding. Last check: 2007-10-20)
This picture at Dolphin, Gosport, in 1938 or 1939, shows two old H Class boats, H33 and H49, outside the L Class L23, with a newer S Class (either Sterlet or Sunfish) closest to camera, and the then-new Undine outboard of what is probably the O Class Osiris or Oswald in the background.
There are seven USN Guppy submarines (the three furthermost; three in the middle row, 1, 2 and 3 from the jetty; one second from the jetty in the front row) and the much bigger USS Sailfish, (lighter grey) a radar picket boat.
The remaining four boats appear to be two streamlined T class (nearest jetty, front row and outboard boat on middle row), one unstreamlined T (outboard boat on front row), and a streamlined A Class (middle, front row).
web.ukonline.co.uk /chalcraft/sm/miscclass.html   (1231 words)

 Mine Warfare: Interwar Years
British researchers also continued their pioneering work in the area of magnetic influence mines.
To reduce their effectiveness, the British perfected degaussing and deperming, methods of altering or reducing a ship's overall magnetic field so that it would be able to pass close to magnetic mines without detonating them.
It introduced the Porpoise-class submarine in the 1930s that either could lay 50 moored contact mines from a casing outside of its pressure hull or deliver cylindrical bottom mines from its torpedo tubes.
www.exwar.org /Htm/8000PopK3.htm   (441 words)

 Submarine, HMS, Vandal, Uredd, Sickle, Tigris, Turbulent, VC, Thunderbolt, Shakespeare, Storm
torpedoed by submarine "Trooper" at the entrance to the Adriatic in the Strait of Otranto.
The last British submarine sunk was "Sickle" three months earlier in June, the 45th Royal Navy loss in the Mediterranean.
On the night of the 30th/31st, midget submarines "XE-1" (Lt Smart) and "XE-3" (Lt Fraser) were released by towing submarines "Spark" and "Stygian" and managed to reach the cruiser to drop their charges.
www.naval-history.net /WW2CampaignsBritishSubs2.htm   (2180 words)

 Submarine History 1870-1914: A Timeline of Development
He sold plans for two larger, improved submarines, to be built in Japan under the supervision of a Holland associate; one achieved a remarkable underwater speed of 16 knots, about twice that of the five earlier model Hollands in Japan.
British doctrine held that submarines were limited to harbor operations; of course, but the people who wrote the doctrine had not been paying attention.
A month after that, U-18 penetrated the British fleet anchorage at Scapa Flow; although she did no direct damage and was captured, the effect upon the British Navy was electric: this one small boat forced the most powerful battle fleet in the world to shift to a base on the other side of Scotland.
www.submarine-history.com /NOVAtwo.htm   (3610 words)

 Post War
Designed in the early 1950s as replacements for the A boats, the Porpoise Class were the first post-war-built operational submarines to be accepted into service.
Long patrol endurance was a primary design requirement of the Porpoise Class, and the snort equipment was designed to give maximum snort charging facilities and to operate in rough sea conditions in any part of the world.
Perhaps the most radical change that occurred with the introduction of the Oberon Class was the fact that for the first time in British submarines plastic was used in the superstructure construction - before and abaft the bridge, in most units the superstructure was mainly glass fibre laminate.
www.submariners.co.uk /Boats/Barrowbuilt/Postwar   (1157 words)

 Submarine Centennial Chronology   (Site not responding. Last check: 2007-10-20)
Submarines are spared during the Japanese attack on Pearl Harbor, making the submarine force indispensable.
It was to the Submarine force that I looked to carry the load until our great industrial activity could produce the weapons we so sorely needed to carry the war to the enemy.
The remaining SSBN-598 class submarines are converted to SSNs.
www.chinfo.navy.mil /navpalib/cno/n87/history/chrono.html   (3046 words)

 The Invention Of The Submarine
The little submarine was towed towards the British blockaders by two longboats, and then released to move forward on the tide.
The little submarine had a folding sail to propel it on the surface, and was powered by a hand-cranked propeller underwater.
While the outline of early submarine development is clear, it is also clear that there are gaps, misinformation, and even a certain amount of outright lying in the records, and the exact details should be taken with a bit of skepticism.
www.vectorsite.net /twsub1.html   (8137 words)

 Little Known Facts
The first rest camp for submarine crews was established at a military encampment at Malang, in the mountains of Java, 89 miles from Soerabaya.
The last Japanese submarine to be sunk in the Pacific, the I-373, was torpedoed by Spikefish (Monaghan) on the morning of 13 Aug. 1945, in the East China Sea.
The second Japanese submarine sunk, a midget caught inside Pearl Harbor and sunk by the seaplane tender Curtiss, was later raised.
www.subvetpaul.com /Little_Known_Facts.html   (1287 words)

 Amphion class submarine - Wikipedia, the free encyclopedia
The Amphion class (also known as the "A" class and Acheron class) of diesel-electric submarines were ordered by the British Admiralty in 1943, upon the realisation that the new Pacific theatre of war following the attack on Pearl Harbor needed a new type of submarine.
Wartime experience had shown that submarines had to operate at greater distances from the United Kingdom - in the Far East and Mediterranean for example; and with larger patrol areas than had been foreseen, and consequently the A class was slightly larger and had greater range and habitability than the T class.
The Amphion class served the Royal Navy for almost three decades as the backbone of the Royal Naval Submarine Service, and was gradually replaced with the Porpoise and Oberon patrol classes that began to be phased in 1958.
en.wikipedia.org /wiki/Amphion_class_submarine   (735 words)

 uboat.net - Allied Warships - Submarine HMS Porpoise of the Porpoise class
During the counter attack by the Italian escorts, Porpoise was damaged by depth charges from the torpedo boat Lince.
The mine was laid on 12 August 1942 by the British submarine HMS Porpoise (Cdr.
The mine was laid by the British submarine HMS Porpoise (Lt.Cdr.
uboat.net /allies/warships/ship/3412.html   (639 words)

 Ship Classes
For example, the terms frigate, ship-of-the-line, sloop-of-war, and ironclad, are indicative of different classes of 18th and 19th century warships that vary by tonnage, armament, and rigging.
The class designation YC referred to a coal barge in the 1920s, but in the 1930s, it was used for open-lighters.
For 18th and 19th century vessels, a distinction is made between those that were built as a specific class of naval warship or auxiliary, and those acquired by the Navy and converted to naval use.
www.globalsecurity.org /military/systems/ship/class-list.htm   (530 words)

 H Class Submarines
Submarine website dedicated to the history of H28, H31, H32, H33, H34, H43, H44, H49 and H50 from their launch to their participation in major wars also notice board for families of ex-crew of H Class submarines.
These submarines were very similar in design to the US, H class submarines, the first 10 submarines were ordered form the Bethlehem Steel company, but to get round the US neutrality laws the components were assembled in Montreal at the Vickers yard.
HM submarine H.28 enters Scapa Flow anchorage, passing the forlorn Battle Cruiser SMS Derfflinger and a group of sunken destroyers H.28 was one of the H class submarines.
www.battleships-cruisers.co.uk /h_class1.htm   (1816 words)

 Submarine, HMS, Seahorse, Undine, Starfish, Thistle, Tarpon, Sterlet, United, Undaunted, Unbroken
The figures for merchant ship sinkings by British submarines are not complete but give some idea of their successes.
British submarine operations in the Heligoland Bight were abandoned.
West of Trondheim she was torpedoed and damaged by British submarine “Clyde”.
www.naval-history.net /WW2CampaignsBritishSubs.htm   (2917 words)

 How Submarines Work
A Trident nuclear powered submarine has a crew of 165 and is on patrol (at sea) for about 240 days per year.
Since a submarine has no windows, periscopes are the only way to actually see a "contact" or another ship when it is underwater.
That's why crew members take "submarine showers." This consists of quickly turning the water on to get wet, turning the water off and lathering up, and then turning the water back on to rinse off.
express.howstuffworks.com /express-submarine3.htm   (712 words)

 Submarine Camouflage Schemes
Modern nuclear submarines are built to be undetectable: to counter radar and sonar they are designed for silent running and are equipped with ultra-quiet propulsion, while their casings are covered with anehoic (noise reducing) trials which absorb, rather than reflect, radar.
During the Second World War (1939-1945) the standard camouflage scheme for British submarines operating in the Mediterranean was light and dark green and some were even painted pink.
However after decommissioning in 1982, it was decided Porpoise would be used for trials of the Spearfish torpedo and for this role she was painted bright red.
www.btinternet.com /~warship/Feature/cam.htm   (569 words)

 wrecks lybia HMS Cachalot
The HMS Cachalot was a Porpoise-class British submarine, built in Greenock by Scotts Shipbuilding and Engineering Co. during 1936 and launched during 1937.
The Italian torpedo boat attacked and damaged the submarine by gunfire, then headed to the HMS Cachalot to ram her: but the Italian Commander realized that the British crew was abandoning the submarine.
Just one man of the British submarine died: the crew of the HMS Cachalot was carried to Benghazi by the Italian torpedo-boat.
www.sportesport.it /wrecksLB008.htm   (334 words)

 Oberon Class Submarine
The Porpoise and Oberon Class diesel boats were considered the best conventional submarines ever at the time.
The Porpoise Class, built between 1954 - 61, was the first attack submarine design used by the Royal Navy after the Second World War.
They served the British Navy for well over a third of a century, the last of these submarines was decomissioned in 1993.
www.subart.net /oberon.htm   (245 words)

 Submarine Logs, History, Museums
As a safeguard, submarines returning from the Straits of Messina were routed far to the north of Sicily and then west of known minefields and south to Bizerta, where they would join a Malta-bound convoy.
He joined the submarine service in 1938, and in 1939 served as a sub-lieutenant in the minelaying submarine Porpoise, whose CO was "Shrimp" Simpson.
Upright was one of the most successful boats in the 10th Flotilla (although the flotilla did not officially become the 10th until September 1941), and Daniell was awarded the DSC in 1941 after Upright sank a 5,000 ton cruiser in a night attack east of Sfax in Tunisia on Feb 25.
www.rontini.com /logs.html   (2126 words)

 sea systems 3
Conventional submarines in the past always had to contend with a number of operational constraints, primarily because they had to recharge their batteries at frequent intervals.
For a while the UK concentrated on conventional patrol submarines of the Oberon and Porpoise classes, developing what were considered at the time to be the finest of their type anywhere in the world.
Perhaps this is the clearest indication of the future: if there is no significant return on capital from building submarines, and the throughput of work and the resulting cash flow are not there, then we may well see the demise of the British submarine manufacturing base in the not-too-distant future.
www.global-defence.com /2001/SeaSpart4.html   (1654 words)

 USN Ship Naming
Ships armed with 40 guns or more were of the "first class"; those carrying fewer than 40, but more than 20, guns were of the "second class." The name source for the second class was expanded to include the principal towns as well as rivers.
Submarines were renamed in 1911, however, and carried alpha- numeric names such as A-1, C-1, H-3, L-7, and the like until 1931, when "fish and denizens of the deep" once more became their name source.
Submarine tenders, for instance, are "mother ships" to submarine squadrons and bear the names of submarine pioneers (Simon Lake, Hunley, Holland).
www.history.navy.mil /faqs/faq63-1.htm   (3549 words)

 British Did You Mean british?   (Site not responding. Last check: 2007-10-20)
Sometimes British applies to an area or territory currently or formerly governed by or a dependent territory of the United Kingdom, for example the British Virgin Islands, the British Indian Ocean Territory, or British Columbia which is now a province of Canada.
British originates from the name Briton used to refer to the people who historically lived throughout the British Isles.
British Committee for the Restitution of the Parthenon Marbles
www.did-you-mean.com /British.html   (724 words)

 Upholder Class Overseas Patrol Submarines
However conventional submarines still had a role in the post war era: being smaller and quieter they were more suited to work in coastal or shallow waters as required for 'cloak and dagger' operations.
Further resemblances to nuclear submarines included anechoic (noise reducing) tiles on the hull which muffle internal noise and reduce sonar returns, while the fin was constructed from glass fibre in order to be as lightweight as possible.
During their short service in the Royal Navy, the Upholder Class became the last submarines to be based at HMS Dolphin Gosport as part of the 1st Submarine Squadron.
www.btinternet.com /~warship/Postwar/Submarines/upholder.htm   (1585 words)

 Hunley, a Confederate submarine with a place in history
The Hunley was a “people powered” Confederate submarine carrying a 90 pound bag of explosives strapped to a 22-foot spar tied to her bow.
She was a 1,930-ton Ossipee class steam screw sloop of war, built at Boston Navy Yard and commissioned in August 1862.
It’s worth noting that the USS Hunley (AS-31), a 19,000-ton Hunley class submarine tender configured to service ballistic missile submarines, was built at Newport News, Virginia and commissioned in 1962.
www.talkingproud.us /HistoryHunley.html   (2868 words)

 British Submarines of World War Two - Miscellaneous Pictures   (Site not responding. Last check: 2007-10-20)
Single hull, saddle tank submarines, improvements of the famous E Class of WW1.
Porpoise Class minelaying boat, one of six (others were Narwhal, Porpoise, Grampus, Seal and Cachalot)
The idea was to remove an inquisitive helicopter, but raising a mast and giving the boat's position away would have probably attracted an even greater swarm.
web.ukonline.co.uk /chalcraft/sm/miscpics.html   (415 words)

 hms grampus information.   (Site not responding. Last check: 2007-10-20)
Submarine naval history of the Royal Navy Grampus class..
The HMS Grampus was a Porpoise-class British minelayer submarine, built by Chatham..
uboat.net - Allied Warships - Submarine HMS Grampus of the.
www.technik-bu.ru /h/hms_grampus.html   (174 words)

 December 2002 Class Notes
They are a group of former submariners who work on the boat on a regular basis.
His naval career was devoted to the submarine service, retiring in 1983 from the chief of naval operations' office as director of the attack submarine section.
Class golf is scheduled for the third Tuesday of the months April through October.
www.usna.com /classes/1955/Mar2003.htm   (1948 words)

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