SM UB-30
   HOME

TheInfoList



OR:

SM ''UB-30'' was a German Type UB II
submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) The term "submarine" is also sometimes used historically or infor ...
or
U-boat U-boats are Submarine#Military, naval submarines operated by Germany, including during the World War I, First and Second World Wars. The term is an Anglicization#Loanwords, anglicized form of the German word , a shortening of (), though the G ...
in the
German Imperial Navy The Imperial German Navy or the ''Kaiserliche Marine'' (Imperial Navy) was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly f ...
() during
World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
. The U-boat was ordered on 22 July 1915 and
launch Launch or launched may refer to: Involving vehicles * Launch (boat), one of several different sorts of boat ** Motor launch (naval), a small military vessel used by the Royal Navy * Air launch, the practice of dropping an aircraft, rocket, or ...
ed on 16 November 1915. She was
commission In-Commission or commissioning may refer to: Business and contracting * Commission (remuneration), a form of payment to an agent for services rendered ** Commission (art), the purchase or the creation of a piece of art most often on behalf of anot ...
ed into the German Imperial Navy on 18 March 1916 as SM ''UB-30''. The submarine sank 18 ships in 19 patrols. They included the William Cory & Son collier SS ''Vernon'' in the
North Sea The North Sea lies between Great Britain, Denmark, Norway, Germany, the Netherlands, Belgium, and France. A sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian Se ...
off
Spurn Spurn is a narrow sand tidal island located off the tip of the coast of the East Riding of Yorkshire, England that reaches into the North Sea and forms the north bank of the mouth of the Humber Estuary. It was a spit (landform), spit with a s ...
on 31 August 1917 and the Witherington and Everett Steam Ship Company collier SS ''Lightfoot'' in the
English Channel The English Channel, also known as the Channel, is an arm of the Atlantic Ocean that separates Southern England from northern France. It links to the southern part of the North Sea by the Strait of Dover at its northeastern end. It is the busi ...
off
Selsey Bill Selsey Bill is a headland into the English Channel on the south coast of England in the county of West Sussex. The southernmost town in Sussex is Selsey which is at the end of the Manhood Peninsula and ''Selsey Bill'' is situated on the town's ...
on 16 March 1918. ''UB-30'' was sunk by two
depth charge A depth charge is an anti-submarine warfare (ASW) weapon designed to destroy submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited ...
s from HMS Landrail south of
Goodwin Sands Goodwin Sands is a sandbank at the southern end of the North Sea lying off the Deal, Kent, Deal coast in Kent, England. The area consists of a layer of approximately depth of fine sand resting on an Chalk, Upper Chalk platform belonging to ...
at on 13 August 1918.


Design

A
Type UB II submarine The UB II type submarine was a class of U-boat built during World War I by the German Imperial Navy. They were enlarged from the preceding type UB I and were more effective vessels. The boats were a single hull design with a 50-metre maximum div ...
, ''UB-30'' had a displacement of when at the surface and while submerged. She had a total length of , a
beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Radio beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially lo ...
of , and a draught of . The submarine was powered by two Benz six-cylinder diesel engines producing a total , two
Siemens-Schuckert Siemens-Schuckert (or Siemens-Schuckertwerke) was a German electrical engineering company headquartered in Berlin, Erlangen and Nuremberg that was incorporated into the Siemens AG in 1966. Siemens Schuckert was founded in 1903 when Siemens & H ...
electric motors producing , and one
propeller shaft A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power, torque, and rotation, usually used to connect o ...
. She was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, she could operate for at ; when surfaced, she could travel at . ''UB-30'' was fitted with two
torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...
s, four torpedoes, and one Uk L/30
deck gun A deck gun is a type of naval artillery mounted on the deck of a submarine. Most submarine deck guns were open, with or without a shield; however, a few larger submarines placed these guns in a turret. The main deck gun was a dual-purpose w ...
. She had a
complement Complement may refer to: The arts * Complement (music), an interval that, when added to another, spans an octave ** Aggregate complementation, the separation of pitch-class collections into complementary sets * Complementary color, in the visu ...
of twenty-one crew members and two officers and a 42-second dive time.


Summary of raiding history


References


Notes


Citations


Bibliography

* * * {{DEFAULTSORT:Ub030 1915 ships Ships built in Hamburg World War I submarines of Germany German Type UB II submarines U-boats commissioned in 1916 Maritime incidents in 1918 U-boats sunk in 1918 U-boats sunk by depth charges U-boats sunk by British warships World War I shipwrecks in the North Sea Submarines lost with all hands