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This depth charge contained 200 lb (91 kg) of Torpex. A depth charge is an anti-submarine warfare (ASW) weapon designed to destroy submarines by detonating in the water near the target and subjecting it to a destructive hydraulic shock.
During the action, a few depth charges became loose aboard Christabel, and at great personal risk Ensign Daniel Augustus Joseph Sullivan secured them, earning him the Medal of Honor. [10] On June 6 U-151 attacked the British ocean liner SS Dwinsk about 400 miles east of the Bermudas. Twenty-two crewmen were lost, but the rest survived in the ...
The first two depth-charge attacks, on 10 and 11 July, returned no results whatsoever, and the gun attack on 20 July was similarly unrewarding. However, after sighting a double periscope the following day, Wadsworth made another depth-charge attack. During that attack, one of the explosions seemed much stronger than those from the other charges ...
Depth charges, the most used weapon, were improved during the course of the war. Starting with WW1 vintage 300-pound (140 kg) depth charges, a 600-pound (270 kg) version was developed. Torpex explosive, which is a 50% more powerful explosive than TNT, was introduced in 1943.
Anti-submarine vessels initially carried only two depth charges, to be released from a chute at the stern of the ship. The first success was the sinking of U-68 off County Kerry, Ireland, on 22 March 1916 by the Q-ship Farnborough. Germany became aware of the depth charge following unsuccessful attacks on U-67 on 15 April 1916, and U-69 on 20 ...
The depth charges were also not as effective as one might think at sinking a submarine - only a very close detonation would sink a submarine, and the problems of scoring a direct hit meant that a submarine was more often damaged than destroyed by depth charges. After World War I depth charge throwers were developed, which could hurl depth ...
Gunner's Mate First Class Ingram spotted the approaching torpedo, realized it would strike close by the ship's depth charges, thus dooming the ship, and rushed to jettison the ammunition. He was blown overboard when the torpedo struck, thus becoming the United States' Navy's first enlisted man killed in action in World War I [ 1 ] as he ...
Early depth charges were designed to be rolled into the water off of the stern of a fast ship. The ship had to be moving fast enough to avoid the concussion of the depth charge blast. Later designs allowed the depth charge to be hurled some distance from the ship, allowing slower ships to operate them and for larger areas to be covered.