# HMS C37

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{{short description|Submarine of the Royal Navy}}

{{Use dmy dates|date=September 2017}}
{{Use British English|date=September 2017}}
{{Infobox ship
|section1={{Infobox ship/image
 |image= HMS C37 Valetta 1916 AWM P01579.005.jpeg
 |image_caption=''C37'' in [Valletta Harbour](/source/Grand_Harbour), Malta, circa. 1916
 }}

|section2={{Infobox ship/career
 |hide_header=
 |country=United Kingdom
 |flag={{shipboxflag|United Kingdom|naval}}
 |name=HMS ''C37''
 |ordered=
 |builder=[Vickers](/source/Vickers), [Barrow](/source/Barrow-in-Furness)
 |laid_down=7 April 1909
 |launched=1 January 1910
 |sponsor=
 |christened=
 |completed=
 |acquired=
 |commissioned=31 March 1910
 |decommissioned= 
 |renamed=
 |refit=
 |struck=
 |reinstated=
 |homeport=
 |motto=
 |nickname=
 |honours=
 |fate=Sold, 25 June 1919
 |notes=
 }}

|section3={{Infobox ship/characteristics
 |hide_header=
 |header_caption=
 |class=[C-class submarine](/source/British_C-class_submarine)
 |displacement=*{{convert|290|LT|t|abbr=on}} surfaced
               *{{convert|320|LT|t|abbr=on}} submerged
 |length={{convert|142|ft|3|in|m|1|abbr=on}}
 |beam={{convert|13|ft|7|in|m|1|abbr=on}}
 |draught={{convert|11|ft|6|in|1|abbr=on}}
 |power=*{{convert|600|bhp|kW|lk=in|abbr=on}} petrol
        *{{convert|300|hp|kW|abbr=on}} electric
 |propulsion=*1 × 16-cylinder Vickers petrol engine
             *1 × [electric motor](/source/electric_motor)
 |speed=*{{convert|13|kn|abbr=on|lk=in}} surfaced
        *{{convert|8|kn|abbr=on}} submerged
 |range={{convert|910|nmi|abbr=on|lk=in}} at {{convert|12|kn|abbr=on}} on the surface
 |test_depth={{convert|100|ft|1}}
 |complement=2 officers and 14 ratings
 |armament=2 × [18 in (450 mm)](/source/British_18_inch_torpedo) bow [torpedo tube](/source/torpedo_tube)s
 |notes=
 }}
}}
'''HMS ''C37''''' was one of 38 [C-class submarine](/source/British_C-class_submarine)s built for the [Royal Navy](/source/Royal_Navy) in the first decade of the 20th century. The boat survived the [First World War](/source/First_World_War) and was sold for [scrap](/source/ship_breaking) in 1919.

==Design and description==
The C-class boats of the 1907–08 and subsequent Naval Programmes were modified to improve their speed, both above and below the surface. The submarine had a length of {{convert|142|ft|3|in|m|1}} [overall](/source/length_overall), a [beam](/source/beam_(nautical)) of {{convert|13|ft|7|in|m|1}} and a mean [draft](/source/draft_(ship)) of {{convert|11|ft|6|in|m|1}}. They [displaced](/source/displacement_(ship)) {{convert|290|LT|t}} on the surface and {{convert|320|LT|t}} submerged. The C-class submarines had a crew of two officers and fourteen [ratings](/source/naval_rating).<ref name=gg9>Gardiner & Gray, p. 87</ref>

For surface running, the boats were powered by a single 12-cylinder<ref>Harrison, Chapter 25</ref> {{convert|600|bhp|lk=in|0|adj=on}} [Vickers](/source/Vickers) [petrol engine](/source/petrol_engine) that drove one [propeller shaft](/source/propeller_shaft). When submerged the propeller was driven by a {{convert|300|hp|0|adj=on}} [electric motor](/source/electric_motor).<ref name=gg9/> They could reach {{convert|13|kn|lk=in}} on the surface and {{convert|8|kn}} underwater. On the surface, the C class had a range of {{convert|910|nmi|lk=in}} at {{convert|12|kn}}.<ref>Harrison, Chapters 3</ref>

The boats were armed with two [18-inch (45&nbsp;cm)](/source/British_18_inch_torpedo) [torpedo tube](/source/torpedo_tube)s 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.<ref>Harrison, Chapter 27</ref>

==Construction and career==
'''HMS ''C37''''' was built by [Vickers](/source/Vickers), [Barrow](/source/Barrow-in-Furness). She was laid down on 7 April 1909 and was commissioned on 31 March 1910. Along with her sisters {{HMS|C36||2}} and {{HMS|C38||2}}, ''C37'' was transferred to Hong Kong in February 1911 to operate with the Royal Navy's [China Squadron](/source/China_Squadron). HMS ''C37'' was sold on 25 June 1919 in Hong Kong.

==Notes==
{{reflist|30em}}

==References==
* {{cite book|last=Akermann|first=Paul|title=Encyclopaedia of British Submarines 1901–1955|edition=reprint of the 1989|year=2002|publisher=Periscope Publishing|location=Penzance, Cornwall|isbn=1-904381-05-7}}
* {{Colledge: Ships RN|year=2006}}
* {{cite book |editor1-last=Gardiner|editor1-first=Robert|editor2-last=Gray|editor2-first=Randal|title=Conway's All the World's Fighting Ships 1906–1921|year=1985|location=Annapolis, Maryland|publisher=Naval Institute Press|isbn=0-85177-245-5|name-list-style=amp}}
* {{cite web|url=http://rnsubs.co.uk/dits-bits/br-3043.html|title=The Development of HM Submarines From Holland No. 1 (1901) to Porpoise (1930) (BR3043)|last=Harrison|first=A. N.|date=January 1979|publisher=RN Subs|access-date=27 September 2022}}

{{British C class submarine}}

{{DEFAULTSORT:C37}}
Category:Ships built in Barrow-in-Furness
Category:British C-class submarines
Category:Royal Navy ship names
Category:1910 ships

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Adapted from the Wikipedia article [HMS C37](https://en.wikipedia.org/wiki/HMS_C37) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/HMS_C37?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.