HMS E25

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

{{Use dmy dates|date=March 2018}}

{{Use British English|date=March 2018}}

{{Infobox ship begin}}

{{Infobox ship image

|Ship image=

|Ship caption=

}}

{{Infobox ship career

|Hide header=

|Ship country= United Kingdom

|Ship flag={{shipboxflag|United Kingdom|naval}}

|Ship name= E25

|Ship namesake=

|Ship ordered=29 April 1914

|Ship builder=William Beardmore, Dalmuir

|Ship original cost=

|Ship laid down=November 1914

|Ship launched=23 August 1915

|Ship acquired=

|Ship commissioned=4 October 1915

|Ship decommissioned=

|Ship in service=

|Ship out of service=

|Ship struck=

|Ship reinstated=

|Ship homeport=

|Ship motto=

|Ship nickname=

|Ship honours=

|Ship fate=Sold, 14 December 1921

|Ship notes=

}}

{{Infobox ship characteristics

|Hide header=

|Header caption=

|Ship class=E-class submarine

|Ship type=

|Ship displacement=*{{convert|662|LT|t|0|abbr=on}} surfaced

  • {{convert|807|LT|t|0|abbr=on}} submerged

|Ship length={{convert|181|ft|m|abbr=on}}

|Ship beam={{convert|15|ft|m|abbr=on}}

|Ship draft=

|Ship power=

|Ship propulsion=*2 × {{convert|800|hp|0|abbr=on}} diesel

  • 2 × {{convert|420|hp|0|abbr=on}} electric
  • 2 screws

|Ship speed=*{{convert|15|kn|lk=in}} surfaced

  • {{convert|10|kn}} submerged

|Ship range=*{{convert|3000|nmi|km|abbr=on}} at {{convert|10|kn|abbr=on}} surfaced

  • {{convert|65|nmi|km|abbr=on}} at {{convert|5|kn|abbr=on}} surfaced

|Ship endurance=

|Ship test depth=

|Ship complement= 31

|Ship sensors=

|Ship EW=

|Ship armament=

|Ship armour=

|Ship notes=

}}

HMS E25 was a British E-class submarine built by William Beardmore and Company, Dalmuir. She was, along with the future {{HMS|E26||2}}, one of a pair of submarines ordered by the Ottoman Navy on 29 April 1914, but was taken over by the Royal Navy and assigned the E25 name. She was laid down in November 1914, launched on 23 August 1915, and was commissioned on 4 October 1915. HMS E25 was sold on 14 December 1921.[http://rnsubs.co.uk/boats/subs/e-class/e24.html]

Design

Like all post-E8 British E-class submarines, E25 had a displacement of {{convert|662|LT|t}} at the surface and {{convert|807|LT|t}} while submerged. She had a total length of {{convert|180|ft|m}}{{cite book|author1=Innes McCartney|author2=Tony Bryan|title=British Submarines of World War I|url=https://books.google.com/books?id=JWFapIxWZSUC&pg=PA11|date=20 February 2013|publisher=Osprey Publishing|isbn=978-1-4728-0035-0|pages=11–12}} and a beam of {{convert|22|ft|8.5|in}}. She was powered by two {{convert|800|hp}} Vickers eight-cylinder two-stroke diesel engines and two {{convert|420|hp}} electric motors.Akerman, P. (1989). Encyclopaedia of British submarines 1901–1955.  p.150. Maritime Books. {{ISBN|1-904381-05-7}}{{cite web|url=http://www.csubmarine.org/html/class/eclass.html|title=E Class|publisher=Chatham Submarines|accessdate=20 August 2015|archive-date=13 August 2015|archive-url=https://web.archive.org/web/20150813023119/http://csubmarine.org/html/class/eclass.html|url-status=dead}} The submarine had a maximum surface speed of {{convert|16|kn|km/h mph}} and a submerged speed of {{convert|10|kn|km/h mph}}. British E-class submarines had fuel capacities of {{convert|50|LT|t}} of diesel and ranges of {{convert|3255|mi|km nmi}} when travelling at {{convert|10|kn|km/h mph}}. E20 was capable of operating submerged for five hours when travelling at {{convert|5|kn|km/h mph}}.

E25 was armed with a 12-pounder QF gun, mounted forward of the conning tower. She had five 18 inch (450 mm) torpedo tubes, two in the bow, one either side amidships, and one in the stern; a total of 10 torpedoes were carried.

E-Class submarines had wireless systems with {{convert|1|kW}} power ratings; in some submarines, these were later upgraded to {{convert|3|kW}} systems by removing a midship torpedo tube. Their maximum design depth was {{convert|100|ft}} although in service some reached depths of below {{convert|200|ft}}. Some submarines contained Fessenden oscillator systems.

Crew

Her complement was three officers and 28 men.

References

{{reflist}}

Bibliography

  • {{cite book | editor-last = Gardiner | editor-first = Robert | title = Conway's All the World's Fighting Ships 1906–1921 | url = https://archive.org/details/allworldsfightin00rgre | url-access = limited | location = Annapolis, Maryland | publisher = Naval Institute Press | year = 1985 | isbn = 978-0-87021-907-8 | oclc = 12119866 | pages = [https://archive.org/details/allworldsfightin00rgre/page/n97 88], 392 }}
  • {{cite book | last = Hutchinson | first = Robert | title = Jane's Submarines: War Beneath the Waves from 1776 to the Present Day | year = 2001 | location = London | publisher = HarperCollins | isbn = 978-0-00-710558-8 | oclc = 53783010 | url-access = registration | url = https://archive.org/details/janessubmarinesw0000hutc }}

{{British E class submarine}}

{{DEFAULTSORT:E25}}

Category:British E-class submarines of the Royal Navy

Category:Ships built on the River Clyde

Category:1915 ships

Category:World War I submarines of the United Kingdom

Category:Royal Navy ship names