HMS E37
HMS E37 was a British E-class submarine built by Fairfield, Govan, Clyde. She was launched on 2 September 1915 and commissioned on 17 March 1916. E37 was lost in the North Sea on 1 December 1916. There were no survivors.
Design
Like all post-E8 British E-class submarines, E37 had a displacement of at the surface and while submerged. She had a total length of and a beam of. She was powered by two Vickers eight-cylinder two-stroke diesel engines and two electric motors. The submarine had a maximum surface speed of and a submerged speed of. British E-class submarines had fuel capacities of of diesel and ranges of when travelling at. E37 was capable of operating submerged for five hours when travelling at.E37 was armed with a 12-pounder 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.
E-Class submarines had wireless systems with power ratings; in some submarines, these were later upgraded to systems by removing a midship torpedo tube. Their maximum design depth was although in service some reached depths of below. Some submarines contained Fessenden oscillator systems.