Asdic ww2

This section includes over 21. Allied Warships and over 11. Gordon Williamson U-boat Tactics in World War II. The effectiveness of early ASDIC was hamstrung by the use of the depth charge as an anti-submarine weapon.

Anti-Submarine Detection.

They can close in on convoys without being detecte fire torpedoes and escape without too much difficulty. Does anyone know what the typical ASDIC dome on a Flower Class corvette looked like, and where it was situated? I have chased through as many pages as I can find on the net, but it looks like everything to do with the systems was classifie and so few photos exist.

Sound propagates very well through the water compared to air. WWGerman aerial view of Dartmouth (Note ships lined out on a trot). The Type 1ASDIC dome was fitted on the U-Class submarine towards the bow on the keel, just below and in . SONAR is an American term dating from World War II and is now used universally to describe all underwater detection equipment.

Sonar was a mixed blessing for submarines. While she prepared to approach, the Uboat surfaced at a range of about 4meters. The boat was again pursued on the surface for minutes before it submerged. The Anemone made immediate asdic contact and prepared to attack. Curry served asan Asdic operator with a Canadian corvette escorting convoys across the Atlantic.

After World War ll, ships with ASDIC sets were used by the whaling industry for different reasons other than submarine detection . It could be used to give an accurate range and bearing on a target, but it also provided a noise source for the escorts to home in on. When World War II broke out the Admiralty had several classes of ASDIC for surface vessels and submarines. The German equivalent was called Echo Sounding-Echolot. Commonly, commanders referred to underwater acoustic . Using asdic the Shemara located the submarine.

For the next ten minutes the sound of the submarine blowing her tanks and stopping and starting her engines could be heard. The Royal Navy submarine SEALION was scuttled for use as an Asdic target. Of the eight reports, four were sightings of torpedo tracks, one was an ASDIC contact and two were sightings of a submarine. Surface ships usually used ASDIC (sonar) to detect submerged submarines.


British World War II destroyers. HMS Pearl – T- was formerly the Dervish of Hull, a 600-ton distant-water trawler, coal-burner, designed for a crew of 1 but now with over aboard. She was one of those brought into the Navy during the Abyssinian crisis, hence HMS instead of HMT, and . The back of the card is filled with a 3or so word write-up in English including great facts about the subject featured on the front. First of all detecting the other submarine was still a challenge. THE THIRD MILESTONE: THE TYPE XXI U-BOATS 2. Both Britain and Germany entered World War II with the lessons of the First World War clearly in mind.

We sailed from Grimsby at the. ASDIC , mounted in the ships escorting the convoys. My job was to work the ASDIC equipment and to look after the explosive depth charges and anything to do with explosives. I was excited when the .