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Squid (weapon)

 

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Squid (weapon)


 
 

The Squid was a World War IIWorld War II

World War II, or the Second World War, was a worldwide conflict fought between the Allied Powers and the Axis Powers ,...
 shipShip

A ship is a large, sea-going watercraft....
-mounted anti-submarineSubmarine

A submarine is a specialized watercraft that can operate underwater....
 weaponWeapon

A weapon is a tool which is intended to or is used to injure, kill, or a person, damage or destroy property, or to otherwis...
. It consisted of a three-barrelled mortarMortar (weapon) Overview

A mortar is a muzzle-loading artillery piece that fires indirect shells at low velocities, short ranges, and high-arcing bal...
 which launched depth chargeDepth charge

The depth charge is the oldest anti-submarine weapon....
s. It replaced the HedgehogHedgehog (weapon)

An anti-submarine weapon developed by the Royal Navy during World War II, the Hedgehog was deployed on convoy escort warship...
 system, and was in turn replaced by the LimboLimbo (weapon)

Limbo, or Anti Submarine Mortar Mark 10, was the final British development of the anti-submarine ahead-throwing weapo...
 system.

Literally ordered directly from the drawing board in 1942, under the auspices of the Directorate of Miscellaneous Weapons DevelopmentDirectorate of Miscellaneous Weapons Development

The Directorate of Miscellaneous Weapons Development , known colloquially as the Wheezers and Dodgers, was a department ...
, this weapon was rushed into service in May 1943 onboard HMS AmbuscadeHMS Ambuscade (D38)

HMS Ambuscade was a British Royal Navy destroyer which served in the Second World War....
. The first production unit was installed on HMS Hadleigh Castle, it went on to be installed on 70 frigates and corvettes during the second world war. The first successful use was by HMS Loch Killin on 31 July 1944, when she sank U333Unterseeboot 333

Unterseeboot 333 was a Type VIIC submarine of the Kriegsmarine....
. The system was credited with 17 submarines in 50 attacks. 195 squid installations had been produced by 1959.

This weapon was a three-barrel 12 inch (305 mm) mortar with the mortars mounted in series but off-bore from each other in order to scatter the projectiles. The barrels were mounted in a frame that could be rotated through 90 degrees for loading. The projectiles weighed 390 lb (177 kg) with a 207 lb (94 kg) minolMinol (explosive)

Minol is an explosive developed late in World War II as a substitute for TNT and RDX, which were in short supply....
 charge. Sinking speed was 43.5 ft/s (13.3 m/s) and a clockwork time fuseFuse (explosives)

In an explosive or pyrotechnic device, a fuse is the part of the device that initiates function....
 was used to set the depth. Maximum depth was 900 feet (274  m) and all three projectiles had to be set the same.

The weapons were automatically fired from the sonarSonar

SONAR  — or sonar — is a technique that uses sound propagation under water to navigate or to de...
 range recorder at the proper moment. The pattern formed a triangle about 40 yards (37 m) on a side at a distance of 275 yards (250 m) ahead of the ship. Most squid installations utilised two sets of mortars. All six bombs were fired in salvo so that they formed opposing triangular spreads. The salvos were set to explode 25 feet (7.6 m) above and below the target, the resulting pressure wave crushing the hull of the submarine.

In April 1977, the Type 61 frigate SalisburyHMS Salisbury (F32) Summary

HMS Salisbury was a Salisbury-class or Type 61 aircraft direction frigate of the British Royal Navy....
 became the last ship to fire the Squid in Royal Navy service.