Depth charge, also called depth bomb, a type of weapon that is used by surface ships or aircraft to attack submerged faharderimarneusobisecocontge.co first depth charges were developed by the British in World War I for use against German submarines. They consisted of a canister filled with explosives that was rolled or dropped off the stern of a ship in the presumed vicinity of the submerged submarine. Submerge Recordings was established by Ade' M.H. Mainor as vehicle for Detroit's independent dance music labels. Most releases are distributed world-wide via Submerge (3) while special "Japan-only" releases are published through and in conjunction with Soundscape (15) . A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive hydraulic shock. Most depth charges use high explosive charges and a fuze set to detonate the charge, typically at a specific depth. Depth charges can be dropped by ships, patrol aircraft, and.
The first effective depth charge, the Type D, became available in January It was a barrel-like casing containing a high explosive usually TNTbut amatol was also used when TNT became scarce. A hydrostatic pistol actuated by water pressure at a pre-selected depth detonated the charge.
Numbers of depth charges carried per ship increased to four in Juneto six in August, and by By the war's end, 74, depth charges had been issued by the RN, and 16, fired, scoring 38 kills in all, and aiding in more. The United States requested full working drawings of the device in March Having received them, Commander Fullinwider of the U.
Bureau of Naval Ordnance and U. Navy Uncontrollable - Various - Depth Charge Six (CDr) Minkler made some modifications and then patented it in the U. The teardrop-shaped United States Mark 9 depth charge entered service in the spring of Placing the weapon within this range was entirely a matter of chance and quite unlikely as the target maneuvered evasively during the attack.
Most U-boats sunk by depth charges were destroyed by damage accumulated from a long barrage rather than by a single charge, Uncontrollable - Various - Depth Charge Six (CDr). Many survived hundreds of depth charges over a period of many hours; U survived depth charges fired against it in April The first delivery mechanism was to simply roll the "ashcans" off racks at the stern of the moving attacking vessel.
Originally depth charges were simply placed at the top of a ramp and allowed to roll. Improved racks, which could hold several depth charges and release them remotely with a trigger, were developed towards the end of the First World War.
These racks remained in use throughout World War II, because they were simple and easy to reload. Some Royal Navy trawlers used for anti-submarine work during and had a thrower on the forecastle for a single depth charge, but there do not seem to be any records of it being used in action.
Navy's Bureau of Ordnance from the Thornycroft thrower,  became available in Mounted on the centerline of the ship with the arms of the Y pointing outboard, two depth charges  were cradled on shuttles inserted into each arm. The main disadvantage of the Y-gun was that it had to be mounted on the centerline of a ship's deck, which could otherwise be occupied by superstructure, masts, or guns.
The K-gun, standardized inreplaced the Y-gun as the primary depth charge projector. The K-guns fired one depth charge at a time and could be mounted on the periphery of a ship's deck, thus freeing valuable centerline space. Four to eight K-guns were typically mounted per ship. The K-guns were often used together with stern racks to create patterns of six to ten charges. In all cases, the attacking ship needed to be moving above a certain speed or it would be damaged by the force of its own weapons.
Depth charges could also be dropped from an attacking aircraft against submarines. This weapon was too light and ultimately a failure. The first to deploy depth charges from airplanes in actual combat were the Finns. Experiencing the same problems as the RAF with insufficient charges on anti-submarine bombs, Captain Birger Ek of Finnish Air Force squadron LeLv 6 contacted one of his navy friends and suggested testing the aerial use of standard Finnish Navy Uncontrollable - Various - Depth Charge Six (CDr) charges.
The tests proved successful, and the Tupolev SB bombers of LeLv 6 were modified in early to carry depth charges. News of the success of the anti-submarine missions reached RAF Coastal Commandwhich promptly began modifying depth charges for aerial use. Later depth charges would be developed specifically for aerial use. Such weapons still have utility today and are in limited use, particularly for shallow-water situations where a homing torpedo may not be suitable.
Depth charges are especially useful for "flushing the prey" in the event of a diesel submarine lying on the bottom or otherwise hiding, with all machinery shut down. The effective use of depth charges required the combined resources and skills of many individuals during an attack. Sonar, helm, depth charge crews and the movement of other ships had to be carefully coordinated. Aircraft depth charge tactics depended on the aircraft using its speed to Uncontrollable - Various - Depth Charge Six (CDr) appear from over the horizon and surprising the submarine on the surface where it spent most of its time Uncontrollable - Various - Depth Charge Six (CDr) the day or night using radar to detect the target and a Leigh light to illuminate just prior to the attackthen quickly attacking once it had been located, as the submarine would normally crash dive to escape attack.
As the Battle of the Atlantic wore on, British and Commonwealth forces became particularly adept at depth charge tactics, and formed some of the first destroyer hunter-killer groups to actively seek out and destroy German U-boats. However, to deliver its depth charges a ship had to pass over the contact to drop them over the stern; sonar contact would be lost just before attack, rendering the hunter blind at the crucial moment.
This gave a skillful submarine commander an opportunity to take evasive action. In the forward-throwing "hedgehog" mortar, which fired a spread salvo of bombs with contact fuzes at a "stand-off" distance while still in sonar contact, was introduced and proved to be effective.
Unless caught in shallow water, a submarine would just dive below the Japanese depth charge attack. The Japanese were unaware that the submarines could dive so deep. In Junethe deficiencies of Japanese depth-charge tactics were revealed in a press conference held by U. Congressman Andrew J. Maya member of the House Military Affairs Committeewho had visited the Pacific theater and received many intelligence and operational briefings.
Various press associations reported the depth issue over their wires and many newspapers including one in Honolulu, Hawaii published it. Vice Admiral Charles A. Lockwoodcommander of the U. For the reasons expressed above, the depth charge was generally replaced as an anti-submarine weapon. Initially, this was by ahead-throwing weapons such as the British-developed Hedgehog and later Squid. These weapons threw a pattern of warheads ahead of the attacking vessel to bracket a submerged contact.
Depth charge. Article Media. Info Print Cite. Submit Feedback. Thank you for your feedback. Home Technology Engineering Mechanical Engineering. The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that Uncontrollable - Various - Depth Charge Six (CDr) or via study for an advanced degree See Article History.
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Her armament included six twin 5”/38 dual purpose main batteries, twelve twin and quad 40mm, and eleven 20mm gun mounts; ten 21” torpedo tubes; two depth charge racks (lbs); six single K-Gun depth charge mounts (lbs).
Lieutenant Commander Malcolm David Wanklyn VC, DSO & Two Bars (28 June – missing in action 14 April ) was a Second World War British Royal Navy submarine ace and one of the most successful submariners in the Western Allied navies. Wanklyn and his crew sank 16 enemy vessels. Born in to an affluent family in Kolkata, British India, Wanklyn was influenced into a military career at. Nov 16, · NodeID—Name of the host that generated the file.; RC—Running count or sequence number, starting with the value of 1.; date—Date when the CDR file was closed in the format YYYYMMDD, where YYYY is the year, MM is the month (), and DD is the day ().; time—Time when the CDR file was closed in the format HHMMshhmm, where HH is the local time hour of day (00 .
The only deep setting depth charge pistol developed was the Type 3, Models 1 and 2, designed for operation at , , , and feet. 2 The design of this pistol was similar to that used in both the Type 95 and Type 2 depth charges but the extra time required to reach the greater depth was provided by a delay train initiated by the.
Her armament included six twin 5”/38 dual purpose main batteries, twelve twin and quad 40mm, and eleven 20mm gun mounts; ten 21” torpedo tubes; two depth charge racks (lbs); six single K-Gun depth charge mounts (lbs). The only deep setting depth charge pistol developed was the Type 3, Models 1 and 2, designed for operation at , , , and feet. 2 The design of this pistol was similar to that used in both the Type 95 and Type 2 depth charges but the extra time required to reach the greater depth was provided by a delay train initiated by the.
Šedivý made six attacking runs between 09hours. Four salvoes of rocket projectiles were fired and four depth charges dropped in a single stick from 50 feet. Two of the depth charges straddled the submarine but only three were seen to explode. The first .
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