HMS E40
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HMS E40 was a British E-class submarine launched by Palmer, Jarrow in 1916 and was completed by Armstrong Whitworth, Newcastle upon Tyne. She was launched on 9 November 1916 and was commissioned in May 1917.
During her World War I service while patrolling Scandinavian waters E40 encountered a U-boat. As the submarine dived the captain was hit with shrapnel and had to be dragged in; the hatch stuck and the vessel took on water, going straight to the bottom. After an hour the air was poor; with the captain unconscious, the first lieutenant asked the crew if he could use the remaining oxygen to try to raise the submarine. This succeeded and the E40 managed to get back to Middlesbrough where it had been posted missing, presumed sunk. The captain survived.Script error: No such module "Unsubst". HMS E40 was sold on 14 December 1921.[1]
Design
Like all post-E8 British E-class submarines, E40 had a displacement of Script error: No such module "convert". at the surface and Script error: No such module "convert". while submerged. She had a total length of Script error: No such module "convert".[2] and a beam of Script error: No such module "convert".. She was powered by two Script error: No such module "convert". Vickers eight-cylinder two-stroke diesel engines and two Script error: No such module "convert". electric motors.[3][4] The submarine had a maximum surface speed of Script error: No such module "convert". and a submerged speed of Script error: No such module "convert".. British E-class submarines had fuel capacities of Script error: No such module "convert". of diesel and ranges of Script error: No such module "convert". when travelling at Script error: No such module "convert"..[2] E40 was capable of operating submerged for five hours when travelling at Script error: No such module "convert"..
E40 was armed with a 12-pounder Script error: No such module "convert". QF gun mounted forward of the conning tower. She had five 18 inch (450 mm) torpedo tubes, two in the bow, one either side amidships, and one in the stern; a total of 10 torpedoes were carried.[3]
E-class submarines had wireless systems with Script error: No such module "convert". power ratings; in some submarines, these were later upgraded to Script error: No such module "convert". systems by removing a midship torpedo tube. Their maximum design depth was Script error: No such module "convert". although in service some reached depths of below Script error: No such module "convert".. Some submarines contained Fessenden oscillator systems.[2]
Crew
Her complement was three officers and 28 men.[2]
References
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