HMS H25
HMS H25 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H class submarines. She was launched on 27 April 1918 and was commissioned on 16 July 1918. It had a complement of twenty-two crew members.

HMS H25 was sold on 19 February 1929 and was broken up in Charlestown, Fife.

Design
Like all post-H20 British H-class submarines, H25 had a displacement of  at the surface and  while submerged. It had a total length of , a beam of , and a draught of . It contained a diesel engines providing a total power of  and two electric motors each providing  power. The use of its electric motors made the submarine travel at . It would normally carry  of fuel and had a maximum capacity of .

The submarine had a maximum surface speed of  and a submerged speed of . Post-H20 British H-class submarines had ranges of  at speeds of  when surfaced. H25 was fitted with an anti-aircraft gun and four  torpedo tubes. Its torpedo tubes were fitted to the bows and the submarine was loaded with eight  torpedoes. It is a Holland 602 type submarine but was designed to meet Royal Navy specifications. Its complement was twenty-two crew members.

References

Bibliography
 

 

British H-class submarines
Ships built in Barrow-in-Furness
1918 ships
World War I submarines of the United Kingdom
Royal Navy ship names