1. Design

2. Summary of raiding history

3. References
    Notes  Citations 

4. Bibliography

SM UB-22{{#tag:ref|"SM" stands for "Seiner Majestät" ({{lang-en|His Majesty's}}) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.|group=Note}} was a German Type UB II submarine or U-boat in the German Imperial Navy ({{lang-de|Kaiserliche Marine}}) during World War I. The U-boat was ordered on 30 April 1915 and launched on 9 October 1915. She was commissioned into the German Imperial Navy on 2 March 1915 as SM UB-22. The submarine sank 29 ships in 18 patrols for a total of {{GRT|20,224|disp=long}}.{{sfn|Bendert|2000|p=195}} UB-22 was mined and sunk in the same accident with the torpedoboat S 16 in the North Sea at {{coord|54|40|N|6|32|E|display=title, inline}} on 19 January 1918 in a British minefield.

Design

A German Type UB II submarine, UB-22 had a displacement of {{convert|263|t|LT}} when at the surface and {{convert|292|t|LT}} while submerged. She had a total length of {{convert|36.13|m|ftin|abbr=on}}, a beam of {{convert|4.36|m|ftin|abbr=on}}, and a draught of {{convert|3.70|m|ftin|abbr=on}}. The submarine was powered by two Körting six-cylinder, four-stroke diesel engines each producing a total {{convert|280|PS|shp kW}}, a Siemens-Schuckert electric motor producing {{convert|206|kW|shp PS}}, and one propeller shaft. She was capable of operating at depths of up to {{convert|50|m}}.{{sfn|Gröner|1991|pp=23-25}}

The submarine had a maximum surface speed of {{convert|9.15|kn}} and a maximum submerged speed of {{convert|5.81|kn}}. When submerged, she could operate for {{convert|45|nmi}} at {{convert|4|kn}}; when surfaced, she could travel {{convert|6650|nmi}} at {{convert|5|kn}}. UB-22 was fitted with two {{convert|50|cm}} torpedo tubes, four torpedoes, and one {{convert|5|cm|in|sp=us|abbr=on}} SK L/40 deck gun. She had a complement of twenty-one crew members and two officers and a 45-second dive time.{{sfn|Gröner|1991|pp=23-25}}

Summary of raiding history

References

Notes

Citations

Bibliography

• {{Cite book| last = Bendert| first = Harald |title=Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal | location = Hamburg | publisher = Verlag E.S. Mittler & Sohn GmbH| year = 2000 | isbn = 3-8132-0713-7 | language=German | ref=harv}}
• {{cite book

• {{Cite book|last=Rössler|first=Eberhard|title=U-Bootbau bis Ende des 1. Weltkrieges, Konstruktionen für das Ausland und die Jahre 1935 – 1945|work=Die deutschen U-Boote und ihre Werften|volume=I|year=1979|location=Munich|publisher=Bernard & Graefe|isbn=3-7637-5213-7

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