Name HMS B3 Completed 19 December 1906 Launched 31 October 1905 Draft 3.4 m | Length 43 m | |
Fate Sold for scrap, 20 December 1919 Displacement 287 long tons (292 t) surfaced316 long tons (321 t) submerged | ||
HMS B3 was one of 11 B-class submarines built for the Royal Navy in the first decade of the 20th century. The boat survived the First World War and was sold for scrap in 1919.
Contents
Design and description
The B class was an enlarged and improved version of the preceding A class. The submarine had a length of 142 feet 3 inches (43.4 m) overall, a beam of 12 feet 7 inches (3.8 m) and a mean draft of 11 feet 2 inches (3.4 m). They displaced 287 long tons (292 t) on the surface and 316 long tons (321 t) submerged. The B-class submarines had a crew of two officers and thirteen ratings.
For surface running, the boats were powered by a single 16-cylinder 600-brake-horsepower (447 kW) Vickers petrol engine that drove one propeller shaft. When submerged the propeller was driven by a 180-horsepower (134 kW) electric motor. They could reach 12 knots (22 km/h; 14 mph) on the surface and 6.5 knots (12.0 km/h; 7.5 mph) underwater. On the surface, the B class had a range of 1,000 nautical miles (1,900 km; 1,200 mi) at 8.7 knots (16.1 km/h; 10.0 mph).
The boats were armed with two 18-inch (45 cm) torpedo tubes in the bow. They could carry a pair of reload torpedoes, but generally did not as they would have to remove an equal weight of fuel in compensation.
Construction and career
B3 was laid down by Vickers at their Barrow-in-Furness shipyard, launched 31 October 1905 and completed 19 January 1906. When the war began in 1914, the boat was assigned to defend the Straits of Dover and was then transferred to Scotland in 1915 to defend various ports there. B3 was sold for scrap on 20 December 1919.