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S and T-class destroyer

{{short description|Class of Royal Navy destroyers}}

{{Use dmy dates|date=June 2017}}

{{Use British English|date=June 2017}}

{{more citations needed|date=January 2013}}

{{Infobox ship begin|sclass=2}}

{{Infobox ship image

|Ship image=British T-class destroyer 1945.jpg

|Ship caption={{HMS|Terpsichore|R33|6}} in 1945

}}

{{Infobox ship class overview

|Name=S and T class

|Builders=*Hawthorn Leslie and Company

|Operators=*{{navy|United Kingdom|naval}}

  • {{navy|Netherlands}}
  • {{navy|Norway}}

|Class before={{sclass2|Q and R|destroyer|4}}

|Class after={{sclass2|U and V|destroyer|4}}

|Subclasses=S, T

|Cost=

|Built range=

|In service range=

|In commission range=

|Total ships building=

|Total ships planned=

|Total ships completed=16

|Total ships cancelled=

|Total ships active=

|Total ships laid up=

|Total ships lost=2

|Total ships retired=14

|Total ships preserved=

}}

{{Infobox ship characteristics

|Header caption=

|Ship type=Destroyer

|Ship displacement=*{{convert|1710|LT|t|0|abbr=on}} - {{convert|1730|LT|t|0|abbr=on}} (standard nominal)

  • {{convert|1780|LT|t|0|abbr=on}} - {{convert|1810|LT|t|0|abbr=on}} (actual)
  • {{convert|2505|LT|t|0|abbr=on}} - {{convert|2545|LT|t|0|abbr=on}} (deep load)

|Ship length=*{{convert|339|ft|6|in|m|abbr=on}} pp

  • {{convert|362|ft|9|in|m|abbr=on}} oa

|Ship beam={{convert|35|ft|8|in|m|abbr=on}}

|Ship draught={{convert|14|ft|2|in|m|abbr=on}}

|Ship propulsion=*2 shaft Parsons geared turbines

  • 2 Admiralty 3-drum boilers
  • {{convert|40,000|shp|lk=in|abbr=on}}

|Ship speed={{convert|36.75|kn|mph km/h}}

|Ship range=

|Ship endurance=

|Ship boats=

|Ship complement=180-225

|Ship capacity=

|Ship sensors=

|Ship EW=

|Ship armament=*4 × 4.7-inch (120-mm) QF Mk IX guns (4×1)

|Ship armour=

|Ship aircraft=

|Ship aircraft facilities=

|Ship notes=

}}

The S and T class was a class of sixteen destroyers of the Royal Navy launched in 1942–1943. They were built as two flotillas, known as the 5th and 6th Emergency Flotilla, and they served as fleet and convoy escorts in World War II.

Design features

The S class introduced the CP (central pivot) Mark XXII mounting for the QF Mark IX 4.7 in guns. This new mounting had a shield with a sharply raked front, to allow increased elevation (to 55 degrees), contrasting noticeably with the vertical front of the previous CP Mark XVIII, and easily differentiated the S class onwards from their immediate predecessors. Savage was the exception in this respect, being fitted with four 4.5 in guns; a twin mounting forward and two singles aft. These ships used the Fuze Keeping Clock HA Fire Control Computer.{{cite book|title=Destroyer Weapons of World War II |last=Hodges |first=Peter |last2=Friedman |first2=Norman |date=1979 |publisher=Harper Collins |isbn=0-85177-137-8}}

The quadruple mounting Mark VII for the QF 2-pounder pom-poms was replaced by the twin mounting Mark IV for the 40 mm Bofors gun. Known as the "Hazemeyer" (or "Haslemere"), this advanced mounting was tri-axially stabilised in order that a target could be kept in the sights on the pitching deck of a destroyer and was fitted with an analog fire control computer and Radar Type 282, a metric range-finding set. The Hazemeyer design had been brought to Britain by the Dutch minelayer Willem van der Zaan that had escaped from the German occupation in May 1940.

The T class also was the first class to replace pole or tripod foremasts with lattice masts, which continued in subsequent War Emergency Flotillas.

Ships in class

=S class=

  • {{HMS|Saumarez|G12|2}}
  • {{HMS|Savage|G20|2}}
  • {{HMS|Scorpion|G72|2}} (to Royal Dutch Navy as HNLMS Kortenaar, 1945)
  • {{HMS|Scourge|G01|2}} (to Royal Dutch Navy as HNLMS Evertsen, 1946)
  • {{HMS|Serapis|G94|2}} (to Royal Dutch Navy as HNLMS Piet Hein, 1945)
  • {{HMS|Shark|G03|2}} (to Norway as {{ship|HNoMS|Svenner||2}}) (lost on 6 June 1944)
  • {{HMS|Success|G26|2}} (to Norway as {{ship|HNoMS|Stord|G26|2}})
  • {{HMS|Swift|G46|2}} (lost on 24 June 1944)

=T class=

  • {{HMS|Teazer|R23|2}}
  • {{HMS|Tenacious|R45|2}}
  • {{HMS|Termagant|R89|2}}
  • {{HMS|Terpsichore|R33|2}}
  • {{HMS|Troubridge|R00|2}}
  • {{HMS|Tumult|R11|2}}
  • {{HMS|Tuscan|R56|2}}
  • {{HMS|Tyrian|R67|2}}

See also

  • Type 15 frigate: postwar full conversion of Wartime Emergency Programme destroyers into first-rate fast anti-submarine frigates
  • Type 16 frigate: postwar partial conversion of Wartime Emergency Programme destroyers into second-rate fast anti-submarine frigates

References

{{reflist}}

Publications

  • {{cite book|title=Destroyers of the Royal Navy, 1893–1981 |first=Maurice |last=Cocker |publisher=Littlehampton Book Services |date=1981 |isbn=0-7110-1075-7}}
  • {{Cite Colledge2006}}
  • {{cite book|title=Conway's All the World's Fighting Ships 1922-1946 |editor=Robert Gardiner |publisher=Naval Institute Press |date=1980 |isbn=0-87021-913-8}}
  • {{cite book |title=Royal Navy Destroyers since 1945 |first=Leo |last=Marriott |publisher=Ian Allan |date=1994 |isbn=0-7110-1817-0 |url-access=registration |url=https://archive.org/details/royalnavydestroy0000marr }}
  • {{cite book|last=Raven|first=Alan|author2=Roberts, John |title=War Built Destroyers O to Z Classes|publisher=Bivouac Books|location=London|year=1978|isbn=0-85680-010-4}}
  • {{cite book|last=Whitley|first=M. J.|title=Destroyers of World War 2|publisher=Naval Institute Press|year=1988|isbn=0-87021-326-1|location=Annapolis, Maryland}}

External links

{{Commons category|S and T class destroyer}}

{{S and T class destroyer}}

{{War Emergency Programme destroyers}}

{{WWII British ships}}

{{DEFAULTSORT:S And T Class Destroyer}}

Category:Destroyer classes

Category:Ship classes of the Royal Navy