Sold for Scrap August 1921
The B Class Submarines, built by Vickers, were similar to the A class with the main difference being the deck casing which was improved for surface performance. Hydroplanes were also fitted for the first time to give it better stability when submerged.
Displacement: 287 tons on thee surface and 316 tons submerged. Speed, surfaced 12 knots, and 6 knots submerged. Range: 1,000 nautical miles at 8.75 knots on the surface. Compliment: 15 Armament: two - 18 inch Torpedo tubes in the bow and carried 4 torpedoes.
