HMS H30


HMS H30 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 18 March 1917 and was commissioned on 19 October 1918. It had a complement of twenty-two crew members.
H30 was sold on 30 August 1935 to John Cashmore Ltd for breaking up in Newport.

Design

Like all post-H20 British H-class submarines, H30 had a displacement of at the surface and while submerged. It had a total length of, a beam length of, and a draught length 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. H30 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.