HMS H7

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

{{Use dmy dates|date=January 2025}}

{{Use British English|date=December 2016}}

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|Ship image =HMS H4 Brindisi 1916 IWM SP 578.jpg

|Ship caption = HMS H4, another submarine of the same class

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|Ship country = United Kingdom

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

|Ship name = HMS H7

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|Ship builder = Canadian Vickers, Montreal

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|Ship laid down = 19 May 1915

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|Ship commissioned = June 1915

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|Ship fate = Sold, 1921

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{{Infobox ship characteristics

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|Ship class = H-class submarine

|Ship displacement =*{{convert|364|LT|t|0|abbr=on}} surfaced

  • {{convert|434|LT|t|0|abbr=on}} submerged

|Ship length = {{convert|150|ft|3|in|m|abbr=on}}

|Ship beam = {{convert|15|ft|4|in|m|abbr=on}}

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|Ship propulsion =*1 × {{convert|480|hp|0|abbr=on}} diesel engine

|Ship speed =*{{convert|13|kn|lk=in}} surfaced

  • {{convert|10|kn}} submerged

|Ship range =*{{convert|1600|nmi|km|abbr=on}} at {{convert|10|kn|abbr=on}} surfaced

  • {{convert|130|nmi|km|abbr=on}} at {{convert|2|kn|abbr=on}} submerged

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|Ship complement = 22

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HMS H7 was a British H-class submarine built by the Canadian Vickers Co, Montreal, Quebec, Canada. She was laid down on 19 May 1915 and was commissioned in June 1915. HMS H7 was sold in 1921. It had a complement of twenty-two crew members, a length of {{convert|171|ft|m}}, and a surfaced range of {{convert|1600|nmi|km mi}} at {{convert|10|kn|km/h mph}}.

Design

Like all pre-H11 British H-class submarines, H7 had a displacement of {{convert|364|LT|t}} at the surface and {{convert|434|LT|t}} while submerged.{{cite web|url=http://www.battleships-cruisers.co.uk/h_class1.htm|title=H-class|publisher=Battleships-Cruisers, Cranston Fine Arts|access-date=20 August 2015}} It had a total length of {{convert|150|ft|3|in|m|1}}, a beam of {{convert|15|ft|4|in}}, and a draught of {{convert|12|ft|m}}. It contained a diesel engines providing a total power of {{convert|480|hp}} and two electric motors each providing {{convert|320|hp}} power.{{Cite Colledge2006}} Retrieved from [http://www.naval-history.net/WW1NavyBritishShips-Dittmar3WarshipsA.htm#10 Naval-History] on 20 August 2015. The use of its electric motors made the submarine travel at {{convert|11|kn|km/h mph}}. It would normally carry {{convert|16.4|LT|t}} of fuel and had a maximum capacity of {{convert|18|LT|t}}.{{cite web|url=http://www.gwpda.org/naval/hpatsubs.htm|title=Building History and Technical Details for Canadian CC-Boats and the Original H-CLASS|publisher=Electric Boat Company Holland Patent Submarines|author=J. D. Perkins|year=1999|access-date=20 August 2015}}

The submarine had a maximum surface speed of {{convert|13|kn|km/h mph}} and a submerged speed of {{convert|11|kn|km/h mph}}. British H-class submarines had ranges of {{convert|1600|nmi|km mi}} at speeds of {{convert|10|kn|km/h mph}}. H7 was fitted with a {{convert|6|lb}} Hotchkiss quick-firing gun (6-pounder) and four {{convert|18|in}} torpedo tubes. Its torpedo tubes were fitted to the bows and the submarine was loaded with eight {{convert|18|in}} torpedoes. It is a Holland 602 type submarine but was designed to meet Royal Navy specifications. Its complement was twenty-two crew members.

Citations

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References

  • {{cite book |last1=Hutchinson |first1=Robert |title=Jane's submarines : war beneath the waves from 1776 to the present day |date=2001 |publisher=HarperCollins |location=London |isbn=9780007105588}}

{{Holland 602 type submarine}}

{{DEFAULTSORT:H07}}

Category:British H-class submarines

Category:Ships built in Montreal

Category:1915 ships

Category:World War I submarines of the United Kingdom

Category:Royal Navy ship names